according to the characteristics of the AGC in China, and present a method to calculate AGC cost, this method divide AGC cost into power generation cost, equipment investment cost, opportunity cost and adjusting cost. Make independent power producer automatic generation control cost get reasonable recycling, enhance the enthusiasm of the plant to provide ancillary services, avoid causing aspects of the contradiction between supply and demand, and providing assistance to reduce the impact on the quality of power supply. The last is verified by an example.
Smart substation is the tendency of the evolutionary substation in the future and is one key parts of smart grid. The Technical guide for smart substation is published by State Gird Corporation of China for the construction of smart substation. This paper recounts the differences from substation and smart substation, describes the system architecture of smart substation, characteristic of smart equipment and monitors the status of smart equipment. Base on the automation and communication technology, it research on the applications of smart equipment and information technology in smart substation of China. Finally, it prospects the application of smart substation.
Auxiliary service as the important component of the power market has been more and more attention, and of automatic generation control as the auxiliary services of one of the most important project. AS the auxiliary services market a service, it is necessary to the security of the power grid to influence evaluation. This paper according to North American electric power reliability of the CPS association, the share of the responsibility method, CPS evaluation indexes apportioned to each unit, can provide service for each single unit of evaluation, is beneficial to the healthy development of the market.
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