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This paper evaluates the technical and economic feasibility of acquiring industrial transformers only with natural ventilation (NV) instead of equipment that presents also a forced ventilation stage (FV). Transformers with only NV are normally sized considering all future loads, rather than the practical use of FV in industrial transformers for this purpose. Industrial transformers with similar technical...
The correlation between distributed PV generation and the ten year monthly and annual all time system peaks on PJM are quite remarkable. In the over 100 monthly and annual peak demands that have been set, the great majority remain during solar resource hours with significant contributions expected from PV resources. The authors believe that near term capacity and energy benefits of distributed PV...
The assessment of photovoltaic technologies using multiple perspectives such as social, technological, economic, environmental, and political (STEEP) have become increasingly important in the last several years. Each perspective is composed of multiple criteria with the social and political perspectives gaining more significance. A hierarchical decision model using expert judgment quantification was...
This paper has mainly introduced the solar power engineering of Yellow River Conservancy Technical Institute. For this solar power system, its economic feasibility and functions in teaching and scientific research were analyzed, and its affect in energy conservation and environment protection were elaborated. Those analysis results show that it has multiple functions and good social and economic benefit,...
As our world's competitive global economy continues to development, Chinese software industry, though enjoying an impressive growth. Therefore, it is an important issue for decision makers to evaluate each of the local software industry development and put in the corresponding development policy. This paper, based on aggregative rank, analyses the local software industry operating income and get the...
With environmental constraints growing brought by the sustained and rapid development of China's macro-economic, China's power industry is faced with the issue of energy saving after its substantial and synchronous growth of speed type and structure. This article sets up a multiple linear regression model using excel software, carries on a regression test about factors affecting the energy intensity,...
This paper analyzes 8 major financial indicators of Yue Dianli in 2000 to 2009 by using the SPSS13.0 software based on factor analysis, to evaluating the company's consolidated results. The results showed that, in addition to the year of M&A, the performance showed a steady decreasing trend. The study results can facilitate the company to thinking the path of enhancing value.
EPRI's Smart Grid Demonstration Initiative is focused on collaborating with electric utilities around the world and helping to advance the industry in regards to integrating Distributed Energy Resources (DER). An important aspect of these demonstration projects is the evolution of a smart distribution systems making integration of DER possible. A wide variety of factors play into every electric utilities...
As the electrical industry restructures many of the traditional algorithms for controlling generating units, they need either modification or replacement. The main objective of restructured system is to maximize its own profit without the responsibility of satisfying the forecasted demand. The Profit Based Unit Commitment (PBUC) is solved by Worst Fit Algorithm of Memory Management Algorithm (MMA)...
With China's rapid economic development, the strong electricity demand, power shortages have become a major economic and social development factors, so that sustainable economic development of China's power has increasingly become the focus of attention. Sustainable development of circular economy is in line with the strategic situation requires the product of human society and economic system structure...
Safety and economic operation in power system is the most important issue for the power industry. Combination of distributed generation into large power grids is considered as the development tendency, however the active power dispatching considering intermittent energy is the bottleneck for the renewable energy integration. This paper comprehensively overviews the dynamic active power scheduling...
Summary form only given. Demand-side management (DSM), coupled with smart-grid technologies, will be a big initiative for electric utilities and ISOs for the next 3-5 years. To meet FERC order 719, a number of ISOs are modifying their market rules to better utilize demand resources (DR). This panel session explores the key technical, economic, and IT challenges that will need to be solved to fully...
Power industry is capital and technology intensive, which is also an important foundation for public utility nature of the industry. It is closely connected with many factors, such as the electricity market, capital, and technology. Better risk analysis and management in power construction investment can avoid blind investment, which guarantee power construction projects go smooth. Therefore the investment...
The Tennessee Valley Authority (TVA) is a wholly-owned corporation of the United States of America formed in 1933 by an Act of Congress. This paper presents an historical overview of the TVA system, a present day and future outlook, and a discussion of future trends in the power industry and their impact on the bulk transmission system.
Climate change is a significant issue related to the sustainable development of human society. Carbon emissions trading is the combination of market mechanism and macro-control, by which greenhouse gas emission control targets can be achieved, while benefits of both parties maximized through the optimal configuration of marginal abatement costs. Three aspects of sustainable development potential in...
The existing electrical power generation, transmission, and distribution grid systems in most countries use technologies and strategies that are more than 50 years old, long before the proliferation of digital communications and control technologies that we rely on today. This limits the systems capabilities to detect and address emerging problems before they affect services. In a broader sense, this...
The function of internal audit in power system can be service-oriented to carry out sustainable development (SD) program. Requirements of internal auditors include being familiar with manufacturing process, industry related regularities, accounting treatments and mitigation management. Internal auditors can formulate policies and strategies of SD, help to plan, check resources allocation, carry out...
At present, due to various reasons, there are three different kinds of defining standard of steam turbine power in domestic power industry. This paper briefly comparative analyses the characteristics of the three different kinds of defining standard, and takes one 600 MW unit as example for economic comparison. The comparative analysis results show that the international general IEC standard can be...
Under China's current energy-saving power generation dispatching methods, power generation units commitment is determined by the specific fuel consumption instead of bidding prices of the units. The results of sorting by fuel consumption and by prices are not the same, so it may not achieve the goals of emission reduction, energy saving and economics at the same time. This paper estimates the environmental...
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