How might the Telecommunication Industry in Australia affect the Rollout of National Broadband Network in Australia in 2011

How might the Telecommunication Industry in Australia affect the Rollout of National Broadband Network in Australia in 2011 Introduction The telecommunication industry in Australia is experiencing a massive and rapid economic boom with various reports showing a great value of performance orientation by its respondents in the industry. The industry is mainly made up of businesses that provide telecommunication services to the public either by cable, wire or radio.Advertising We will write a custom essay sample on How might the Telecommunication Industry in Australia affect the Rollout of National Broadband Network in Australia in 2011? specifically for you for only $16.05 $11/page Learn More The major activities of the telecommunication industry in Australia include internet services, operation of radio relay stations, telephone services, operation of television relay stations, teleprinter and telex services, network communication services, cable and communication channel services, and satellite communication services. The industry is fundamentally event driven with diminutive exe cution of planning in areas other than finance or marketing. The lack of planning is evident in contemporary Future Orientation with the conveyed desire for future orientation, but the introduction of intensive competition has recently promoted more product planning and the general business planning in the market. However, elements such as size, novelty, and politics of the present-day industry environment has contributed in depicting planning less effective than otherwise expected. The interference by such factors in the telecommunication industry has protected the free-to-air TV networks, and at the same time contributed to Australia’s holdup in rolling out high-speed internet access through the National Broadband Network initiative. The ever changing market and technology has brought in a real forecast in the capitalization and elevation of Future Orientation, and this brings in the likelihood of Australia following the paradigm of America and other European countries in d eveloping strategic mechanisms of capturing the market’s vast potential.Advertising Looking for essay on business economics? Let's see if we can help you! Get your first paper with 15% OFF Learn More The growth and immense potential in this industry saw the planned roll out of the National Broadband Network (NBN) project, which is meant to take advantage of the existing economic and social opportunities in the digital sector. While delivering an affordable, high-speed broadband to every corner of the Australian society, the project is projected to drive the country’s economy for decades to come by migrating from copper to the fibre optic network When the Australian government went ahead with the privatization of Telstra, which is the country’s largest telecommunications company, there were major concerns on the contradictory role of the government as regulator and owner of the telecommunication giant. Major concerns also remain in Telstr a’s potential capability of abusing its monopoly power to impediment regulatory outcomes through belligerent use of its litigation. Delaying in making a satisfactory public bid for access to its network and inflating the prices of its wholesale services such as fixed and mobile network are some of Telstra’s alleged abuses. In order to level the competitive telecommunication field, the Australian government instructed Telstra to separate its retail and wholesale arms for the NBN project. Telstra vehemently opposed this idea and the draft legislation that would separate its structures within its telecommunication network. Regulatory and judicial proceedings still mar Telstra with numerous disputes with its competitors over access to its network rights. Despite this, various stakeholders have since entered the scene with ardent interest. The NBN initiative is projected to create a network that will handle an assortment of data that is increasingly complicated, therefore a malgamating the media and the information technology industries with telecommunications.Advertising We will write a custom essay sample on How might the Telecommunication Industry in Australia affect the Rollout of National Broadband Network in Australia in 2011? specifically for you for only $16.05 $11/page Learn More The Media The media and communications industries has undergone through changes in its general corporate organization with mounting competition between media segments on the maximum gain and use of content being produced (Stuart Cunningham, Graeme Turner 4). This means taking advantage of the capability to present and modify the same content on numerous platforms of delivery and distribution. By restricting concentration of ownership in broadcasting sectors, the ownership and control of media is regulated across the media. Foxtel which has a substantial majority in the pay-TV market is half-owned by Telstra and the roll-out of the NBN project is seen to have rules and regulations that limit the number of providers, while shielding the incumbents against entry by neglecting diversity In Australia, all free-to-air television Programmes have a strict domestic content requirements through the Australian Broadcasting Services Amendment Act that require 10 percent of programme budgeting on new Australian drama programs (Ron Kirk 27). Although traditional media has occasionally been warned on the radical changes they face with the development in the digital media arena, they have basically been absent from the debate surrounding the NBN project. However, the National Broadband Network will generate new changes and options that will see media players taking leadership roles in search of trans-sector opportunities the NBN has to offer. They can possibly copy their archaic models onto the NBN brand via the wholesale services of a telco since they have a strong brand with millions of users. Although it is not defined, foreign nati onals seeking proposals that relates to portfolio shareholdings into the media industry are subjected to a ‘national interest test’ since foreign investment in the mass media is limited (Chang and Thorson 16). Media stakeholders should therefore gear up to with mechanisms that will help them profit from their audiences with the convergence of media and internet-based technologies through high-speed broadband even as they continue to enjoy protection from outside competition. (Butcher 127).Advertising Looking for essay on business economics? Let's see if we can help you! Get your first paper with 15% OFF Learn More Despite this projection, most media companies are still looking and grounded on their core competencies rather than stirring towards media innovation. Advantages of Public owned Telecommunications towards NBN Rollout. The NBN initiative will produce and promote a prevalent network that is competent in handling both broadband and narrowband requirements with equal adept in managing interactive and broadcasting services. One feature of this project is that it involves and embraces the elaboration of neo-liberal views and ideas of economic regulation. In this view, public ownership of telecommunication infrastructure and services is seen as a central point for national pride and sovereignty with a common feeling of owning a piece of a vital national infrastructure (Fairbrother 52). Public views and ideas would initially be ‘measured at heart’ for the NBN project and this would douse any thought of manipulation by ‘outside’ parties, and also bring public calm w ith general accountability to the project. Public ownership would not cultivate into the current climate of crisis brought about by the free market that would dictate the wages and conditions of each and every Australian. Public ownership of the NBN roll-out would basically promote a unified and coherent platform for the whole initiative. Disadvantages of Public owned Telecommunications towards NBN Roll-out. Since there is never a conclusive concept from the general public, such ownership would only promulgate indecisions and slothfulness into the implementation and completion of the NBN initiative. According to the 2010 report by the Business Council of Australia, ‘’ the public ownership of the NBN initiative would elevate investor uncertainty with various companies rescheduling or withholding investments, and would only impede new technologies from getting into the market with the country’s general output falling behind ( 4) ‘’. Such a scenario wou ld only create ambiguity over NBN’s future operations. Advantages of Private owned Telecommunication Infrastructures towards NBN Rollout. International communication through telecommunications is rapidly becoming the backbone of trade, productivity, and the general business activities which are the linchpins of a growing, healthy economy (Mody, Bauer and Straubhaar 53). Privatization in the telecommunication industry is seen as a catalyst to development with a significant input. In this view, the streamlining of the telecommunications industry in Australia has made it impossible to find public-owned telecommunication carriers due to the concept of deregulation and privatization. This model is highly important because it will redefine the NBN initiative into from the typical public good, to a more global-oriented project that is competitive both domestically and internationally with a customer-driven service. The Telecommunications industry is quite complex in technology and o perations, and the only way that consumers can be better served is if more providers are included in the field. Consumers will be offered more competing products, prices, and services in order to meet the ever more diverse demands. Such private owned companies are also capable of responding quite better to consumer demands than the public-owned corporations that may not act imperatively (Cunningham 151). Sometimes such projects do halt due to lack of funds that can be brought about by underestimation or even the changing tides in commodity prices, and the telecommunication companies which are private-owned can quickly accumulate for these funds. This means that the NBN initiative will flourish under long-term macroeconomic relief, and also can carry on and meet deadlines rather than wait for the tedious process associated with the public owned companies. Generally through private ownership, the NBN project will see a proficient financing and management with the inclusion of professi onals who bring real sustainable efficiencies to the whole project. Privatization is therefore the more efficient solution to the sorry nature of most state-owned of telecommunication infrastructures with its limit on resources and the changing technological know-how. Disadvantages of Private owned Telecommunication Infrastructures towards NBN Roll-out. Private ownership of telecommunication systems in Australia will only bring distrust to the fore since it’s a product of an intrinsic capitalistic motive, and will also spread the adage that any control of information leads to the control of both political and economic procedures and the NBN project has not fallen short of such perception. Since telecommunications is an important industry that connects every sector of the Australian society, it might be used by a single entity or group of companies to create an oligarchy of economical information which can snatch power from the government. Such a scenario would reduce the gove rnment to a mere puppet, while these private entities continue to violate their power in the NBN initiative and act in their own interest neglecting Australian’s welfare (Chhokar, Brodbeck and House 320-331). This will greatly hinder the roll-out of the NBN project since Australia is a society which has a fair history of distrust in private ownership of infrastructure. Private ownership of the NBN roll-out would not put public interest into consideration and the individual private companies would only be interested in generating shareholder’s profits at customer’s expense. Privatization would also encourage manipulation and cover-ups of various inconsistencies associated with the NBN initiative since such organizational setups detest public scrutiny. Privatization will allow foreign competitors enter the telecommunication market indiscriminately and would endeavor to servicing only wealthy businesses and individuals who can afford their expensive services. In th is event, the NBN initiative would therefore leave its core policy of universal service unsettled. It’s hypothetical for privatization to take place without liberalization since such profit-driven enterprises do operate as a monopoly in its selfish achievements that can prove untenable for the government to contain(Leahy and Michael O’Brien 2-5). Analysis Australia is tremendously relying on the NBN initiative to face out its obsolete copper telecommunications network. The pendulum of opinions surrounding the NBN roll-out is due to its importance for the country’s economy, future development, and international competitiveness. The apparent stratification in the Australian telecommunication industry is quite higher than desirable and is derivative of the existing socio-political level of attitudes. The rapid restructuring in the industry is significantly affecting collectivism and power expanses, especially with the differing view between those who do not have th e slightest clue of the impending changes and those that are knowledgeable of what is to come with the changes. Although there are calls for either private or public investment in the telecommunications industry, it’s unfortunate that the processes have represented a vicious circle of events that is detrimental to both the economic and political systems. Conclusion The emerging picture from the NBN initiative and the general Australian telecommunications industry is the consistent socio-political values that underpin the economical importance of this project to the country at large. If telecommunication laws are well designed implemented, it would reduce the general fear and uncertainty that accompany the dreary investment in the telecommunication sector. At the same time, Telstra and its competitors should learn in ways they can corporate and be diplomatic about their differences rather than the self-sacrificing we are now witnessing. Even as the telecommunications industry undergoes through the intense process of change that seems endless, there is no doubt of the massive and infinite benefits that the NBN initiative will bring for generations to come. Butcher, John. Australia under Construction: Nation-building Past, Present and  Future. Canberra: ANU E Press, 2008. Print. Chang and Andrew, Thorson. A Legal Guide to Doing Business in Asia-Pacific.  Chicago: American Bar Association, 2011. Print. Chhokar, Brodbeck and Robert House. Culture and leadership, across the world:  The GLOBE Book of In-Depth Studies of 25 Societies. New York: Routledge, 2007. Print. Cunningham and Graeme Turner. The Media and Communications in Australia.  Crows Nest, NSW: Allen Unwin, 2010. Print. Cunningham, Stuart. The Media and Communications in Australia (Large Print  16pt). Crows Nest:ReadHowYouWant.com, 2010. Print. Fairbrother, Peter. Privatisation, Globalisation, and Labour: studies from  Australia. Leichhardt, NSW: Federation Press, 2002. Print. Kirk, R on. National Trade Estimate Report on Foreign Trade Barriers (25th Ed.).  Pennsylvania: DIANE Publishing, 2011. Print. Leahy and Michael O’Brien. Telecommunications Law and Technology in the  Developing World. Volume 22, Issue 1. Boston College International and  Comparative Law Review. 1999. Web. Mody, Bauer and Joseph Straubhaar. Telecommunications Politics: ownership  and control of the information highway in developing countries. New  York: Routledge, 1995. Print. N.p. Business Council of Australia. March: Submission on Draft Legislation for  the National Broadband Company. 2010. Web.

Hospitality Article Example | Topics and Well Written Essays - 250 words

Hospitality - Article Example ies became of incredible importance in the businesses, consequently Human Resource organization requirements to be cautiously well thought-out and implemented (Xiao 5). It ought to be able to overcome the effects of the varying earth of work, which advocates that individuals working in the Human Resources Department be alert of the effects of globalization, expertise changes, workforce variety, employment shortages, varying skill necessities, and employee participation. There has been extensive evidence done to determine the major cause that influences customers to return in hotels (Emir & Kozak). Many hotel businesses are undertaking extensive research to determine what may impress the customers and influence them to come back. Many five star hotels have concentrated on facilities they offer and the services they give their customers. The hotels mainly concentrated on reception services and house keeping ensuring their customers received quality services for them to return. Staff education is an important part as well as the major utility of Human Resource supervision and improvement; it is a fundamental path of encouraging staff and rising output in the industry. Through the improvement of the technologies and the entire business surroundings, workers are asked to be extra trained and qualified (Xiao

Final Essay Example | Topics and Well Written Essays - 750 words - 20

Final - Essay Example Some of the refugees moved to Russia while others moved to settle in India. At the same time, about 2-3 million people returned home after the Soviets left. After the Soviets left, a civil war erupted which displaced over 5 million people to neighboring nations (Runion, p. 115). The Taliban fighters seized control of the country in 1994 and started to persecute non-Islamic religions and limited women rights. This led to the educated, women, religious minorities, and critics of the Taliban to flee the country. This refugees migrated to western nations like the United States and Canada where the Taliban had no influence (Runion, p. 121). The results of stream effectiveness for the refugees depicts the fact people were fleeing Afghanistan and into other countries. The 100 percent stream effectiveness points to the fact that no refugees were moving into Afghanistan. The gross migration and the net migration of the country was the same. The high out migration rate of 89.8181 shows that the rate at which the Afghans fled their country was so high. The fear of death and looking for a means of survival was the main driving force in this migration rate. The main ethnic group in Afghanistan, the Pushtuns, moved from the South eastern provinces of the country. They moved through the Durand line into the North West Frontier Province in Pakistan as they had distant relatives. As their number increased, they were relocated by the Pakistan government away from the border areas. The Baluch and Hazara ethnic group refugees moved from Afghanistan into the capital of Baluchistan of Pakistan. Another group of Hazara refugees settled in Quetta part of Pakistan where they had relatives (Cultural Survival). The Uzbek refugees from northern Afghanistan were settled in Karachi, the Sind Province of Pakistan. Around 18,500 Uzbek refugees live in 320 villages. The Kirghiz refugees

Design of a Standalone Energy System

Design of a Standalone Energy System Design of a Standalone Energy System and its Comparison with Grid Connected System in Pakistan Abstract During last few decades the investment and interest in the development of solar energy is being increased. PV is becoming more and more popular in those countries which can bear large investment cost and can offer economic incentives to the investors and almost in all those areas of world which are looking for a clean environment and working hard for green energy projects. This thesis work covers the design of a standalone power system and comparison of this designed system with already existing grid connected system in Pakpattan, Pakistan. After preliminary designing, an estimation of system and different components sizing was made and on the basis of this sizing, different energy sources like PV, wind and diesel generator were tested. Also if PV can fulfill the daily load or a backup diesel generator would be needed. For preliminary designing, Sandia sheets and PVSYST were used but for the actual designing, HOMER was used because HOMER is more accurate and precise tool for designin g standalone power systems. Simulations were carried out and the cost of energy per kWh was 0.435$. Total initial capital cost was 6517$. Further economic evaluation was carried out and was compared with already existing grid connected system. On pure economic terms, this system does not seem to be economical feasible but when different recommendations were taken into account like government subsidy and carbon credit then this system was economically feasible over the 25 years which is the life of this project. 1. Project background and Introduction 1.1 Introduction The project with respect to this thesis is to design a standalone energy system and to compare it with already existing grid connected system. This system might be PV alone system, PV wind hybrid system, PV Diesel hybrid system or just diesel generator system. This system is designed for a Jamia Masjid (Islamic center) in Pakpattan, Pakistan. The exact site of the project is a colony of Pakpattan which is in the south-west of the city Pakpattan. The Pakpattan city is situated around 161 Km south west to Lahore. The climate and weather data is almost same for Lahore and Pakpattan. Furthermore it will be first project of its own nature in this area and it will help to design the systems for the residential areas by which a common person can get benefits and get rid of power failures. â€Å"Pakistan is located between latitude 24 and 37 degrees North and longitude 62 and 75 degrees East. Pakistan has Afghanistan in the north-west, Iran on west boarder, India is on the east, China in the north and the Arabian Sea is on the south† [1]. Pakistan is ageographical centre of the Asian Continent because it builds a type of bridge between Far East and Middle East; also it has a continental type of climate which can be characterized by extreme variations of temperature. Generally the climate of Pakistan is arid, means very high temperature in summer and low temperatures in winter. High altitudes change the climate in the freezing northern mountains which are covered by heavy snow. There is little rainfall. There are some differences exist distinctly in various locations, e.g. the coastal line along Arabian Sea is usually under warm conditions, whereas the Karakoram mountain range and some other mountains of far north are so cold, completely frozen and covered with snow that these are only visible and accessible by some international world-class climbers for a couple of months of May and June of each year. The variation of daily temperature could be 11 0C to 17 0C but in winters the minimum mean temperature is about 4 0C in January. Pakistan has tremendous recourses of energy but unfortunately due to mismanagement out of 170 million population just 65-70% has access to electricity. Demand is more than supply of energy to residential and industrial sector. Currently Pakistan is facing 3000 MW of power storage and it is expected that in year 2010 the demand will exceed supply by 5500 MW. The current power and electricity demand and supply gap shows that there is a big need to increases the current power generation capacity in Pakistan. [1] 1.2 Aim of the thesis The main aim of the project is to design an independent and stand alone energy system for an Islamic center in Pakpattan, Pakistan. During the attempt to design this independent energy system, there could be sub aims as well, which are the procedures and details of the design are presented with step by step. There are main following aims which are supposed to be fulfilled by this thesis. * To go through the core knowledge of the designing process. * Obtaining data for the boundary conditions such as load, solar radiation wind data, available components, cost for fuel, electricity and components. * Sizing of the system. * Optimizing the cost. * To get familiar with different tools used for designing and make selection between them. * Beyond from bookish knowledge, get to know some real and practical aspects of different PV systems and projects. The body and structure of the thesis is mainly divided into four phases. * Introductory part (Abstract, contents) * Main part (Introduction, Background, Description, Analysis, Calculation of the primary load for this specific project. Boundary conditions and design parameters. Economical look on existed grid connected system and Comparative study between this newly design system and already existing grid connected system in terms of economics, Results and Conclusion ) * Reference part (Reference list and Appendices) 1.3 Method As the aim of this thesis project is to design an independent energy system for Islamic center and then compare it with existed grid connected system. The main interest is to provide electricity for Islamic center without shortfall. To do so, first of all literature survey was carried out and was gone through different designing procedures for standalone independent systems. Different tools were also tried and testified, so that an appropriate design could be chosen. In this way Scandia sheets, PVSYST and HOMER were considered especially because these tools were used previously to design such systems. First of all load demand was calculated. Why these three tools were used, the reason is that Scandia sheets are very helpful in sizing different components of standalone energy system while PVSYST has very big database of PV modules, batteries, inverters and diesel generators in itself. After that when the sizing was done then specific components were chosen for this stand alone system. In HOMER there are different options to check weather PV, PV wind hybrid or PV diesel hybrid system is feasible After designing the system, its economic analysis was carried out using different economic parameters like pay back periods, net present value, benefit to cost ratio and internal rate of return. 1.4 Energy profile of Pakistan The energy profile of Pakistan is inadequate and there are always short falls of energy (electricity) especially during summer. Pakistan needs around 14,000 to 15,000 MW electricity everyday to meet all residential and industrial demands. But Pakistan can produce around 11,500 MW, so it means there is around 3000 MW to 4000 MW short fall. The reasons for this deficiency are limited fossil fuel resources, weak economy and mismanagement of the available energy sources. In 1.1, an overview of primary energy supplies in Pakistan is presented in MTOE (TOE: ton of oil equivalent. It is an energy unit which is equal to the energy of burning of 1 ton of crude oil which is about 42 GJ) [2] From 1.1 it is clear that energy supply of Pakistan is highly dependent on Oil and Gas, both contribute more than 79% of total primary energy supplied. The other sources like hydro- electricity, coal, nuclear electricity and imported electricity contribute about 21% of the total share. Pakistan has been growing in agricultural and industrial sector during last decade and thats why energy demand is being increased. As population and industry is growing, the daily demand will increase up to 20,000 MW in 2010. Natural gas has played an important role to meet the energy needs in recent years. But Pakistan needs to expand its energy resource on permanent bases. In order to overcome this energy shortage, Pakistan needs to develop its indigenous energy resources such as hydropower, wind and solar energy. Pakistan is one of the highest solar insulation areas of the world. [3] Here are the main sources of energy in Pakistan right now; * Natural Gas * LPG * CNG * Oil * Coal * Nuclear Energy 1.5 Renewable energy sources in Pakistan Pakistan is situated in such a special geographic location that it is blessed with abundant and inexhaustible Renewable Energy (RE) resources. These resources can play an effective and considerable role for the contribution towards energy security of Pakistan. When we look into current world energy scenario in general and energy scenario of Pakistan in particular, the development and adoption of RE technologies makes better sense. Government policies and objectives to develop RE technology are also matching with this sense so that the share of RE in overall energy mix should be at least 5% by the year 2030. Solar energy has 2.9 Million MW potential and wind energy has around 0.346 Million MW while Mini Small Hydel has 2,000 MW. [4] There is a significant potential of wind energy in Pakistan especially in the coastal belt of Baluchistan and Sindh, and also in deserts of Sindh and Punjab. However this renewable energy source has not been utilized. â€Å"AEDB collected the wind data of all Pakistan from Pakistan Metrological Department and was analyzed. On the basis of this collected data and analysis, it was stated that the coastal belt of Pakistan has a God gifted 60 km wide (Gharo-Keti Bandar) and 180 km long (up to Hyderabad) wind corridor† [4]. This wind corridor has the potential to generate 50,000 MW of electricity. AEDB has done other different surveys in Gharo and Jhimpir regions and some coastal area of Baluchistan. After these surveys it is concluded that in the south region most of the remote villages can be easily electrified through micro wind turbines. Furthermore it is estimated that in Baluchistan Sindh and Northern areas more than 5000 villages can be electrified through wind energy. [4]. In 1.2a and 1.2b wind and solar maps for Pakistan are shown. Sincere efforts and aggressive lobbying has been done by AEDB with national and international investors to invest and to make them realize the tremendous potentials of RE. AEBD is in negotiations with international companies to set up their business in Pakistan. However large wind mills have not been installed yet but 30 wind mills for water pumping have been installed on experimental basis in different parts of Baluchistan and Sindh. In southern coastal areas of Pakistan remote villages are currently electrified with energy and so far more than 17 villages have been electrified using micro wind turbines. Around 95% of total electricity generation is from hydropower in Pakistan. But during hotter months of summer, it cannot meet the energy requirements due to less productive. Also 70% of population lives in around 50,000 villages. Many of these villages are very far from the main transmission lines and also it is not economically viable to connect these small villages to the main gri d due to their small population. On the other hand solar energy has excellent and significant potential. Pakistan is one of those countries which receive solar radiations at high level throughout the year. Every day it receives an average of about 19 MJ/m2 of solar energy. Studies have been already done and solar systems have been developed and tested. [4] 1.6 Potential of PV in Pakistan The location of Pakistan is very ideal to take advantage of solar energy as a source of energy because Pakistan is in the Sun Belt region. Solar energy is available abundantly and widely distributed all around the country. Following shows solar insolation map for Pakistan. The map shows around 200-250 W/m2 per day. The Baluchistan province is very rich in solar energy. It receives around 19-20 MJ/m2 per day averagely which is equal to 1.93-2.03 MWh/ m2 per day with annual 8-8.5 mean annual sunshine hours. These conditions are ideal for PV and solar energy applications. [5] Solar energy is very good option for off-grid villages. There are around 75,000 off-grid villages which contains 4 million homes and every home accommodates around 4-5 people. These off-grid villages are situated in the Baluchistan and Frontier Province. AEDB has set a target to electrify a thousand villages via solar technology by the year 2010. In this respect the first contract has been given to the Sehgal electronics group (Pakistan). Each home which is electrified with PV will have around 400W power supply and lead acid batteries for overnight storage. There are also other plans to have local production using PV modules with and estimation of this production is around 3MW/year. [6] 1.6.1 Possible routes for solar PV in Pakistan The global demand of PV equipment is increasing day by day and due to this fact the prices for PV systems, equipment and electricity has gone down remarkably. PV could be exploited in Pakistan through following two routes. [6] 1.6.1.1 Off-grid or stand-alone sector Stand-alone or off grid systems generate electricity independently of the utility grid. Stand alone systems can be a very good option for the remote areas and very deep located villages, where the extension of power transmission lines would be more costly. Also it could be implemented in environmentally sensitive areas as parks, remote homes and cabins. In rural areas, it could be used for solar water pumps and farm lighting. [6] 1.6.1.2 Grid-connected sector Grid-connected PV systems supply extra power when the home systems power supply is not sufficient to fulfill the load. These systems remove the need of battery bank. In some situation, utilities allow net metering, by which the owner can sell extra power back to the utility. [6] 1.6.2 Current solar energy applications in Pakistan Both PV and solar thermal have a wide range of applications in Pakistan. Although the scale of utilization and adoption has been very small but it has been utilized for last 25 years in Pakistan. Different applications mainly PV and solar thermal applications are summarized as. [5] 1.6.2.1 Photovoltaics Eighteen PV stations were built by the government in the early 1980s to electrify different villages the country. The installed capacity was nearly 440 kW but due to the lack of technical knowledge and follow up, these systems could not perform as required. Currently in Pakistan solar energy is being used for telephone exchanges stand alone rural electrification, cathodic protection, highway emergency telephones and vaccine refrigeration in hospitals. In different parts of Baluchistan, about 20 solar water pumps have been installed for drinking purposes by The Public Health Department. The northern and western area of Pakistan are mostly hilly and mountain areas (Hindu Kush-Himalayas, HKH region), which are blessed with a lot of sunshine with 4-6 kWh/m2 daily average solar radiation. Seven solar stations were installed in this region in the late 1980s for lighting by different companies. The total capacity of these systems was 234 kW. They are not in operation now due maintenance pro blems. SIEMENS Pakistan has installed many stand alone solar systems in Pakistan. On the Lahore-Islamabad Motorway, it has installed power supply systems for many microwave-link repeater stations and more than 350 emergency call boxes. [5] 1.6.2.2 Solar thermal applications There are many applications which utilize the heat characteristics of solar energy directly. These applications are very simple, low price and easily to adoptable. These include heating and cooling of residential and commercial buildings, cooking, water heating for domestic and industrial use and drying agricultural products. A brief description of such applications in Pakistan is given here. [5] 1.6.2.3 Solar water heaters This technology is quite mature in Pakistan but very limited because of its higher capital cost as compared to conventional water heaters which operate on natural gas. But in last couple of years it has started to gain popularity because a number of public sector organizations are working to develop low cost solar water heaters. The prices of natural gas and electricity are increasing day by day, so people are adopting solar water heaters and also private sector has already started the production of such heaters. [5] 1.6.2.4 Solar cooker Different public sector organizations have been working to develop low cost and efficient design solar cookers. In HKH region of Pakistan, more than 2000 solar cookers are in use. This number is very small. It needs to be more popularized. Pakistan needs to reduce the use of precious forest resources as fuel wood and to replace it with solar cookers. [5] 1.6.2.5 Solar dryers Solar energy can be very good option for drying agriculture products. By this, we can get very good quality products at much less cost. Northern mountainous areas like Gilgit and Sakardu are very rich in fruit production like apricots which used to be wasted by tons every year. But now solar dryers are being used to dry large quantities of fruit, which is leaving a positive effect on the economy of this area. Different NGOs are working for the popularizing and the use of such dryers. [5] 1.6.2.6 Solar desalination Drinkable water is unavailable in many parts of Sindh, Baluchistan and southern Punjab and it is very critical issue. Underground water is available but it is highly saline. This saline water is not fit for drinking at all and causes many dangerous diseases such as hypertension. Solar energy can be utilized to convert this available saline water into drinkable water. Solar desalination is very simple, low cost and easy to use. Also it is very easy to adopt. A successful solar desalination project is in operation and it is working very fine and helping to change the life style of the population of Gawader in the Baluchistan province. It consists of 240 stills and each can clean 6000 gallons of seawater per day. [5] 2. Types of PV and PV Hybrid systems Generally the classification of PV systems is based on their operational and functional requirements, the configuration of their components and the connectivity of the equipment to power sources and electrical loads. PV systems are designed to supply DC and/or AC power and can operate interconnected with utility grid or independent of it. There are classified as;  · Grid-connected Photovoltaic systems  · Stand alone Photovoltaic systems 2.1 Grid-connected PV systems Grid-connected PV systems are designed to operate parallel with the interconnection of electric utility grid. Power conditioning unit (PCU) or inverter is very basic component in grid-connected PV systems. PV array produces DC power supply and the PCU converts it in to AC power supply which is consistent with the power and voltage requirements of the utility grid. PCU automatically stops the power supply to the grid when utility grid is not energized. [7] 2.2 Stand alone PV systems Stand alone PV systems or off grid systems are designed to operate independently. Mainly stand alone PV systems are used in isolated and remote areas where the connection with grid or electricity network is not possible. In this type of systems the storage system (batter bank) is very important component and storage is guaranteed by batteries. The design and sizing of such system should be done in a way that it could supply and meet the required load even in bad weather conditions or during winter months. For this surety these systems could be coupled with diesel generator, wind turbine or hydro generator and the systems after this type of coupling is called PV Hybrid systems. There could be different arrangements and designing methods of PV systems depending on the requirements and type of load to be fulfilled. In direct coupled system, DC power is supplied directly from PV array to DC load and there is no energy storage, thats why this type of systems can operate in sunlight hours which make them suitable for common applications like water pumps, ventilation fans and small circulation pumps used in solar thermal heating systems. In many other type of PV stand alone systems battery bank is used for the storage of energy and power inverters which can fulfill AC/DC loads at the same time. [7] 2.3 PV Hybrid systems PV hybrid systems are composed of combined solar energy with some other electricity producing sources like wind turbines, diesel generators or small hydro plants. The choice of other source of energy to be combined depends on the needs and the geographic situation and other specifications. The hybrid systems are best for the remote areas like islands and remote villages, also for remote applications like communication stations and military installations. Before go for designing a hybrid system, the specific energy needs and the available energy sources should be known. It means the potential for all available energy sources like solar energy, wind energy and hydro energy must be studied, so that the best combination could be made which can meet the specific energy requirements in best way of economy and availability. [8] 2.4 PV Diesel hybrid systems In remote areas the electricity has been produced by engine driven generators in the past. For those applications where we need a reliable and stationary generator is required, diesel generators are preferred. Petrol generators may provide electricity at lower cost due to their less frequent use. Engine driven generators are less efficient when driven at light loads (around 40 to 50% of their rated capacity) which can shorten their operating life and it results in high maintenance cost. When the engine is operated at light loads, the combustion temperature goes down which results incomplete combustion and carbon starts to deposit (glazing) on cylinder walls and this leads to premature engine wear and tear. In recent years, the cost of renewable energy technology has been declined continuously and also the concept of usage of alternative energy is growing day by day. Due to these two factors, the utilization of renewable energy has been increased for remote areas. Typically PV modules with small to medium size wind turbine are being used, but for some locations small hydro electric generators are suitable. In simple words combination of renewable energy sources and conventional energy sources with energy storage (battery bank) makes a Hybrid system which can give reliable and economic electricity supply. If we compare a system only with PV generator with a PV hybrid system, the second one reduces the batter size and improves the reliability of overall power supply. In hybrid system, the renewable energy source and battery bank try to reduce the run time of diesel generator. There is sufficient storage in these systems which allow the load to be shifted. Generally these type of systems a re installed in those locations where the logistics and costs of a reliable supply of fuel are not major contributing factors to overall system operation cost. [9] The displacement type systems are sized to decrease the fuel consumption of diesel generator by 70 to 90% as compared with a diesel battery system, so it relies mainly on renewable energy sources like solar. The engine driven generator still remains in the system to equalize the battery and it provides a backup for those periods when there is low solar input or high load demand. Such systems are installed in those locations where some attractive incentives for the use of renewable energy exist or fuel supplies are costly and unreliable. [9] Usually the conventional power supplies with diesel in remote areas are not flexible to react to the changes in load demand and varying operating conditions. This results in the compromises on reliability and efficiency. Significant changes in long term and short term load demand could happen as a result of * Increase or decrease of population; * Special community events; * Seasonal change in environmental conditions ( summer, humidity); * Change of consumer trends (increased use of home appliances) But renewable energy sources and batteries are modular in nature and can be upgraded without any problem when in future the load demand is increased with time. It means that we do not need to change the whole system. But as far as other components of the systems are concerned, they are different in their nature. For example inverters, battery chargers and PV charge controllers should be in such a way that the future increased demand should not exceed their rated capacity. Power conditioning devices are also inherently modular and they facilitate convenient system upgrade. [9] 2.5 Hybrid System configurations PV-Diesel hybrid systems produce AC power supply by the combination of PV array with inverter, which can be operated parallel or alternatively with engine driven generator. PV diesel hybrid systems can be classified as  · Series hybrid energy systems  · Switched energy systems  · Parallel energy systems 2.5.1 Series hybrid energy systems In this configuration, the power generated by generator is rectified first and then converted back to AC supply to fulfill AC demand which incurs much conversion looses. During low electricity demand periods, the diesel generator is powered off and the demand can be fulfilled from PV and stored energy. AC supply reaching to the load is converted from DC by an inverter. In series configuration the system efficiency is low because most systems pass large fraction of produced energy from battery bank which increases the cycling of the battery. [9] The SOC (state of charge) of the battery and actual load decide whether the diesel generator will operate or not, which depends on power supply from PV and diesel generator, load demand and the batteries are either charged or discharged. Solar controller is used to control such situations which prevent the overcharging of the batteries, when PV supply is more than the load and also the batteries are fully charged. The gain in energy is marginal for a good sized system but we can add a maximum tracking point which can improve the utilization of available PV energy. The system can be operated either in manual or automatic mode. This can be done by adding some extra components in the system. [9] There are certain merits and demerits of these configurations, they are as below. Merits * It has simplified electrical output interface as no switching of AC supply is required between different energy sources. * The supplied power to the load is not interrupted when diesel generator starts. * The inverter can produce a square wave, modified square wave or a sine wave depending on application. Demerits * The cycling of the battery bank increases which decreases the life time. * As diesel cannot supply power directly to the load, thats why system efficiency is low. * If there is some problem in inverter or in case of its failure, it results in complete loss of power. In this case diesel generator has to supply power directly for emergency purposes. * The cycling profile requires the large battery bank to limit the depth of discharge. 2.5.2 Switched configurations It is one of the most common configurations used, but it has some operational limitations. As the name shows, it operates either with diesel generator or inverter as AC source but no parallel operation of the main power generation source is possible. Switched configuration hybrid systems can be operated in manual mode but it makes the system more complex. In order to get rid of this complexity, it is desirable to add some automatic control unit. â€Å"This automatic control unit can work by adding appropriate battery voltage sensor and start/stop control unit of diesel generator† [9]. The advantage of this configuration is that the load can be fulfilled directly from diesel generator, which gives overall higher conversion efficiency. In this configuration both PV array and diesel generator can charge the battery. [9] This configuration has also certain advantages and disadvantages as Advantages * As the generator can fulfill the load directly, it improves the efficiency and reduces the fuel consumption. * The inverter can make a square wave, modified square wave or a sine wave depending on application. Disadvantages * Power supply is interrupted time by time as AC power sources are transferred. 2.5.3 Parallel configuration In this type of system PV and diesel generator supply the load separately when the load demand is low or medium. But when the load demand reaches at peck point, then PV and diesel generator combine and supply that peak load. In this configuration we use a Bi-directional inverter which has two functions * It can charge battery bank when excess energy is available from diesel generator (rectifier operation). * DC/AC converter (inverter operation). The bi directional inverter can also provide â€Å"peak shaving† which is defined as â€Å"the ability of parallel hybrid energy systems to supply load that exceed the power rating of the engine driven generator of the inverter from combine sources as part of the control strategy when the engine driven generator is overloaded †[19] Parallel configuration hybrid systems have also merits and demerits over other systems, like Merits * The efficiency of diesel generator could be maximized. * The maintenance of diesel generator could be minimized. * The system load could be fulfilled by optional ways. Demerits * It should be controlled by automatic control unit in order to make the operation of the system more reliable. * Operation of the system is much complex for untrained users 2.6 Power conditioning In PV diesel hybrid energy systems three types of conversion devices are used to control and conditioning of power flow. They are battery charge regulator, inverter and a rectifier. The rectifier or battery charger is included in the system to convert AC power generated by diesel generator to DC voltage. This is done to recharge the battery bank. Series type hybrid systems have always low efficiency because they use two conversions AC/DC and DC/AC. If we assume that both efficiencies of rectification and subsequent inversion of DC voltage are very high, lets say 90%, it will result a loss of 19% of total power gained in these conversions. This is the reason why parallel and switched cond systems have always more overall system efficiency. In hybrid energy system operation, usually the generator operates at 80% of its rated capacity. In switched or parallel cond energy systems AC power is supplied directly from diesel generator but the excess power which is more than the required load is used to recharge battery bank. This supply of power to battery bank is according to a defined battery charge strategy which takes the battery to high state of charge. In some modern parallel hybrid systems, a bi directional inverter unit is used. This bi directional inverter unit consists of solar controller, i

The Golden Greek :: Running Yiannis Kouros Papers

The Golden Greek One April morning Spring became intoxicated She is intoxicated and is singing and is dancing madly She has become intoxicated by her joy, by her flowers the bee hive too has buzzed, oh! this spring intoxication. One afternoon in April, you fell in love, oh heart! You fell in love and you are weeping, you're ashamed but don't admit it You became intoxicated by the moon and your intoxication does not subside, you became intoxicated by the nightingales by the sweet swallows, One eve in April I will turn into a night bird so that I can see your shadow and all your carryings on. So that I can become intoxicated with you and discover your soul so that I can remember your gaze and the taste of your kisses. -y kouros "There's the world class, the elite, then there's Yiannis." Trishul Cherns For those of you out there who know who Yiannis Kouros is, but cannot believe a normal person could do what he has done (so you call it talent) open your eyes right now and realize that Yiannis is a man who has overcome many things throughout his life and has learned from each of them, has made something good out of virtually nothing. He is just a man, he is not a "Greek God," but he has done many great things which many of us cannot even comprehend. The funny thing is that Yiannis couldn't comprehend them before he did them, either. Yiannis is a very special person who has a deep understanding of his own existence. That understanding is why he can run as he does, as a Golden Greek gone Australian. Yiannis Kouros holds world records for 12, 24, and 48 hours, 6 days, and 1,000 miles. He is also the owner of many Greek and Australian records, along with the many course records he has set along his way. To state it this simply tells nothing of Yiannis himself. One can say, for lack of understanding, that it is pure talent that this man has. That each of his records was set by him with complete ease, as if he were exempt from experiences every runner goes through in any ultra race. Yiannis obviously has talent, as do all of the world class ultra runners. It is what is in his mind that pulls him so far above that level.

Apple Revenue Recogonition

Apple revenue recognition Apple Inc Revenue Recognition Concepts A. Revenue is gross amount a company received or billed from service provided or units sold, Revenue is earned regardless money come in or not at that particular time. It is assumed revenue is earned, when it is realizable, and earned. Revenues are derived from company normal operation. The company exist to sell it is core product or services to the market. Gain rise from non operation activities of the entity. An asset sells can be considered a gain if the company originally depreciated the assets to zero, then sell it.Even know the company used the assets to generate revenue, the assets transaction is a gain, because it is not a core business transaction. The primary function of a business is not to sell the assets for a gain. Any amount of gain from non operation of core business is considered to be a gain. Examples are currency gain, Short term investment gain, and extraordinary gain. B. When a business recognized r evenue, it means it has earned the revenue, and it is realizable in that period, which indicated a transaction, or service has occurred.The business did its obligation to bill or accepts money at that period. The business has full expectation it will receive the revenue in the near term depending the billing agreements. The income statement is affected by revenue recognition, also the balance sheet is affected, and all this individuals: Account receivable, Tax payable, COGS, Cash, Unearned revenue. The revenue criteria from FASB concept 5 says: revenue to be recognized on the income statement, revenue must be realized, or realizable and earned. CYes, they do align with FASB standards; Apple recognized revenue when persuasive evidence of transfer ownership arrangement exists. 1. Entity has transferred to the buyer the significant risks and rewards of ownership of the goods; 2. Entity retains neither continuing managerial involvement to the degree usually associated with ownership nor effective control over the goods sold 3. The amount of revenue can be measured reliably; 4. It is probable that the economic benefits associated with the transaction will flow to the entity. DThe multiple element contract is referring to the embedded unspecified upgrade right that the company might be obligated to provide. It is difficult to put a monetary value, because the company has to estimate the cost of upgrade, and once they estimate the cost, the company must set deferred revenue by subtracting it from original sales. The new rules allowed the company to estimate as low as possible because the upgrade costs are not that significant to swing the income statement. E Compensation metric could be aligned with revenue growth. FITunes songs sold online on net basis, and recognized when transaction occurred Mac-branded accessories are recognized when billed, if it sold online apple waits until customers receive the items, because apple is liable until delivery. IPod sold to third party reseller in India is recognized when apple billed the third party. G Apple recognized the amount it billed it‘s customers, apple takes inventory risks, therefore it recognized the gross amount it billed, if it sold online from another company, apple only recognized net sales. H 50 Mac * 2800 = 140,000Unit price 2,500 Software + 2 years service =300 Apple will recognize the whole gross sale 140,000 as revenue for 2010. Because apple took the inventory risk, Apple will bill the community college the 140,000, and recognized the same amount as the revenue. I Account receivable |Dr. |Cr. | |Sep 26,2009 $3361 | | | |$2149 | |Sep, 25,2010 $5510 | | Deferred Revenue |Dr. Cr | |Sep,25,2009 $2906 | | | |$1217 | |Sep,26,2010 $4123 | | Net sale |Dr. |Cr. | |Sep, 26, 2009 $42,905 | | | |$22,320 | |Sep, 26,2010 $65,225 | | IJournal Entry Unearned revenue2053 Sale Revenue2053 Deferred Revenue |Dr. Cr | |Sep,25,2010 $2053 |Sep,26,2009 $2053 | | | | |Sep,26,2010 |0 | Sale Revenue |Dr. |Cr | |Sep,25,2010 |$2053 | | | | |Sep,26,2010 |$2053 II Journal entry Cash21,225 Account receivable 44,000 Sale Revenue65,225 Unearned Revenue |Dr. |Cr | |Sep,25,2010 $2903 |Sep,26,2009 $2903 | | | | |Sep,26,2010 |$0 | Sale Revenue |Dr. Cr | | |Sep,25,2010 $2903 | | | | | |$62,322 | |Sep,26,2010 | | | |$65,225 | III Journal Entry Cash44,000 Account Receivable44,000 Analysis JI under the old model revenue was deferred and recognized each year on straight line basis over its economic life of the product, but under the new model Apple is able to take significant portion of the sale at the time of transaction. IIProspective can only apply to future while retrospective can apply to the past transactions. Apple elected to use retrospective. K Iincreased its net income IIBalance sheet and Cash Flow statement (operation). IIImproved gross margin LMost of the cost good already occurred before apple was able to recognized revenue. Therefore, Apple must adjust individual account to match its expense, and revenue.MIncreased operation cash flow NAccounting rules, and procedures might be preventing unfair reporting, but it has a major flaws. One of the flows is accounting doesn’t adapt quickly to economic condition. Accounting numbers doesn’t really reflect the true value of a company. Account is lagging indicator. One industry can benefits from particular accounting procedure, and rules, but it can also hurt another industry by not reflecting true economic value. We will like to report to our shareholders actual reflection of our operation, but accounting procedures doesn’t allow us to communicate the actual result.

Health And Welfare Of The Animal - 1278 Words

Introduction Nutrition is how organisms break down food to makes sure that they take in all the key nutrients which are need to help the animal survive in it environment. Nutrition is important because it helps animals: see in the dark, helps animals grow, repair cells, it helps with reproduce and fight of disease. In this assignment I will be talking about the functions of all the nutrients, the sources which animals can get these nutrients from and how the nutrient can promote the health and welfare of the animal. I will also will be comment on the functions and structure of two different digestive systems for an monogastric (simple stomach) animal (Dog) and ruminant (cow). So what is macro and micro nutrition? Macro nutrition are nutrients which animals need in large amount. The nutrients animals need in large amount are carbohydrates, protein and fats. Micro nutrition is nutrients that animals in small amount. The nutrients animals need in small amount are vitamins and minerals. What are fat soluble/ water-soluble vitamins? Fat-soluble vitamins are vitamins that dissolve in lipid (fats). Examples of fat-soluble vitamins are vitamin A, vitamin D, vitamin E and vitamin K. Water soluble vitamins are vitamins that dissolve in water. Examples of water-soluble vitamins are vitamin C and Vitamin D. Nutrients There are seven key nutrients, which are: Carbohydrates, Protein, Fats/ Lipids, Vitamin, Minerals, Fibre and Water. I will now be describing the function; the sourceShow MoreRelatedTechnology Has Great Potential For Improving Animal Welfare, Health, And Production Efficiency1103 Words   |  5 PagesBiosensor technology has great potential for improving animal welfare, health and production efficiency. The recent increasing incidence of diseases, such as bovine spongiform encephalopathy (BSE), tuberculosis, brucellosis, mastitis, and foot and mouth, has raised concern in the livestock industry and in society. 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