Research on the responsibility distribution of AGC adjustment in interconnected power system
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In order to take full advantage of interconnected power system, a new distribution mode of AGC adjustment responsibility is proposed to pursue better frequency quality. Under this distribution mode, various areas AGC can adjust the entire electrical network power together according to the proportion to the same direction the load variety, regardless of whether the load change occurs in the home area or outside area. And a set of mode is constructed to recognize and differentiate the system different situations and the degrees of hazard to get different AGC adjustment responsibility assignment system. So in the different situation the system have the corresponding AGC control plan, which can reduce the AGC unit useless adjustment to improve the frequency quality. The simulation example indicates that the proposed allocation mode is helpful in the improvement of the frequency quality and system frequency control performance.
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