VOLTAGE CONTROL METHOD AND SYSTEM

Provided are a method and system for controlling a voltage. The method includes: acquiring a current output voltage of an inverter; calculating a current voltage error of the current output voltage relative to a given output voltage; inputting the current voltage error into a fuzzy controller to det...

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Bibliographische Detailangaben
Hauptverfasser:	GUO, Wei, YUAN, Fang, DU, Chao, LIN, Chaoyong, LI, Bingzhang, PENG, Xuebiao, YANG, Lifen, HE, Gengliang, LIU, Liangjie, GAN, Weiwei, DING, Leilei, MO, Jinwei, SHANG, Jing, ZHAO, Qingliang, HE, Qiao, LIU, Kean, ZENG, Minggao, XU, Shaolong, LI, Hao
Format:	Patent
Sprache:	eng
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 REGULATING SYSTEMS IN GENERAL CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Provided are a method and system for controlling a voltage. The method includes: acquiring a current output voltage of an inverter; calculating a current voltage error of the current output voltage relative to a given output voltage; inputting the current voltage error into a fuzzy controller to determine a target output voltage of the inverter; determining an amplitude adjustment command based on a difference between an amplitude of the target output voltage and an amplitude of the current output voltage; determining a phase adjustment command based on a difference between a phase of the target output voltage and a phase of the current output voltage; and adjusting an amplitude and a phase of an output voltage of the inverter according to the amplitude adjustment command and the phase adjustment command respectively, to maintain the output voltage of the inverter within a preset range.