POWER CONVERSION DEVICE, POWER CONTROL DEVICE, AND POWER CONTROL METHOD

To vary output and/or input of a charge/discharge facility according to transitional frequency fluctuation and voltage phase fluctuation of a system to suppress the frequency fluctuation of the system.SOLUTION: A power control device of an embodiment controls a power converter connected with an AC e...

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Bibliographische Detailangaben
Hauptverfasser:	SON TIAN, KAGEYAMA TAKAHISA, HACHITANI HIDEYUKI, KUSUNOKI KIYOSHI, FUJITA TAKASHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	To vary output and/or input of a charge/discharge facility according to transitional frequency fluctuation and voltage phase fluctuation of a system to suppress the frequency fluctuation of the system.SOLUTION: A power control device of an embodiment controls a power converter connected with an AC electric circuit and is equipped with: electric quantity measurement means of measuring electric quantity of the electric circuit; phase calculation means of calculating a phase of the electric quantity measured by the electric quantity measurement means; phase adjustment means of adjusting the phase of the electric quantity calculated by the phase calculation means; and command value calculation means of calculating a control command value to the power converter on the basis of the phase adjusted by the phase adjustment means.SELECTED DRAWING: Figure 2 【課題】充放電設備の出力および／または入力を系統の過渡的な周波数変動や電圧位相変動に応じて変化させ、系統の周波数変動を抑制することを可能にする。【解決手段】実施形態の電力制御装置は、交流の電気回路に接続される電力変換器を制御する電力制御装置であって、前記電気回路の電気量を測定する電気量測定手段と、前記電気量測定手段により測定された前記電気量の位相を求める位相演算手段と、前記位相演算手段により求められた前記電気量の位相を調整する位相調整手段と、前記位相調整手段により調整された位相をもとに前記電力変換器に対する制御指令値を求める指令値演算手段とを具備する。【選択図】図２