Bidirectional Power Balance Control of Serial Voltage Injection Converter for Impedance Measurement of Grid-Connected Inverter

Serial voltage injection (SVI) converter is widely used in frequency-scan for the impedance measurement of the grid-connected inverter. The dc power supply is necessary for the SVI converter, which reduces device power density and cost performance. Meanwhile, the fundamental voltage variation brough...

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Veröffentlicht in:	IEEE transactions on power electronics 2023-06, Vol.38 (6), p.1-10
Hauptverfasser:	Ma, Junpeng, Wang, Weitao, Wang, Shunliang, Liu, Tianqi, Zhao, Jingbo
Format:	Artikel
Sprache:	eng
Schlagworte:	Bidirectional power control Broadband Control methods fundamental voltage control Impedance Impedance measurement Inverters Perturbation Perturbation methods Power measurement Power supply serial voltage perturbation injection Voltage control Voltage drop Voltage measurement
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