Reactive compensation state evaluation method and system

The invention provides a reactive compensation state evaluation method and system. The method comprises the following steps: acquiring a time parameter of a three-phase voltage within a set time; based on the time parameter, acquiring a voltage rate value of the three-phase voltage; acquiring the vo...

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Hauptverfasser:	LIU LE, MA SIZHE, PENG JING, FU BIN, ZHANG YUE, YANG CHANGLONG, CHO HEE-JUNG, HU YONG, HUANG BO, SU WEIJI, SHI CUIHONG, CHEN YUNHAO, GU YANSHENG, XU JIAO, LI WENLIANG, ZHU WENYOU, LUO WEI, YANG JIAXIN, ZHOU HAICHENG, WANG HUAN, WANG JIANDONG, XIONG XIAOCHUAN, GUO WENBING, LI XUEFANG, WANG YU, LIU RONGSHENG, LUO CHAO, XU MIN, ZHU ZHENHUA, CHEN SHIJIAO, HUANG JIANTAO, MA LIUER, XU LIANGTAO, WANG QIDONG, ZOU DEXU, LI HONGWEI, WANG CHENGLONG, ZENG JIANG, YIN PIXIANG, LIU XINGTAO, WU GUOTIAN, SHI JUN, XU XUESHUAI, WANG KE, SU YU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention provides a reactive compensation state evaluation method and system. The method comprises the following steps: acquiring a time parameter of a three-phase voltage within a set time; based on the time parameter, acquiring a voltage rate value of the three-phase voltage; acquiring the voltage state of the power distribution network based on the voltage standard value; obtaining the time when the three-phase power factor is lower than the power factor limit value within the set time; acquiring the time when the difference value between the reactive load value and the compensation capacity is negative; acquiring the compensation state of the power distribution network based on the time when the three-phase power factor is lower than the power factor limit value and the time when the difference value between the reactive load value and the compensation capacity is negative within the set time; and obtaining a reactive compensation state evaluation result based on the voltage state and the compensatio