In power systems, the frequency of AC power is set at 50Hz or 60Hz, but the rotational speed of the generator fluctuates due to changes in load, etc., and the frequency also fluctuates accordingly. In response to this, the term "regulator" refers to operating the generator's speed governor using an automatic frequency control device or similar to keep the frequency constant. When two AC systems are interconnected via DC, it can also refer to adjusting the DC power to accommodate the frequency fluctuations of the AC system. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
電力系統において,交流電力の周波数は 50Hzまたは 60Hzと定められているが,負荷の変化などによって発電機の回転速度が変動し,それにつれて周波数も変動する。それに対し,自動周波数制御装置などにより発電機の調速機を動作させて,周波数を一定に保つことをいう。2つの交流系を直流連系する場合,直流電力を調整して交流系の周波数変動に対応させるのをさすこともある。
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