EDCによる出力応動を考慮したLFC発電機の効果的な制御方法

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  • A Method for Effective Control of LFC Generator in Consideration of Power Output Response to EDC
  • EDC ニ ヨル シュツリョクオウドウ オ コウリョ シタ LFC ハツデンキ ノ コウカテキ ナ セイギョ ホウホウ

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<p>Due to the increasing capacity of uncontrollable renewable generators such as photovoltaic power generations, the portion of controllable generators decreases significantly especially in daytime, resulting in the threat of frequency fluctuation exceeding the acceptable range. Implementation of sophisticated power output control method of controllable generators is one of the most practically feasible solutions. This paper proposes a method to load-frequency control (LFC) in consideration of prospected power output response to economic-load dispatching control (EDC). When the prepared LFC capacity is not so sufficient in terms of ramp-rate, the difference between commanded LFC signal and actual power output is accumulated, resulting in unexpected and undesirable power output change later on. The numerical simulation using AGC30 model demonstrates that the proposed method works well by eliminating such an unusable LFC command in consideration of prospected power output response to EDC.</p>

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