Inverter control method and inverter

The invention discloses an inverter control method and an inverter, and the method comprises the steps: obtaining a d-axis voltage instruction signal, a grid-connected current dq-axis component and a common coupling point voltage dq-axis component in a voltage source mode according to the grid-conne...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG XING, WANG BAOJI, HAN FENG, PAN NIAN'AN, ZHAN XIANGDUI
Format:	Patent
Sprache:	chi ; 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 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:	The invention discloses an inverter control method and an inverter, and the method comprises the steps: obtaining a d-axis voltage instruction signal, a grid-connected current dq-axis component and a common coupling point voltage dq-axis component in a voltage source mode according to the grid-connected three-phase current and the common coupling point three-phase voltage of the inverter; then, according to the signals and the components, obtaining dq-axis components of the control signals in a voltage source mode; according to the set power set value, the grid-connected current dq-axis component and the common coupling point voltage dq-axis component, obtaining a control signal dq-axis component in the current source mode; and according to the dq-axis component of the control signal in the voltage source mode and the dq-axis component of the control signal in the current source mode, performing weighted fusion to obtain an overall dq-axis component of the control signal. The voltage source mode and the curre