Converter impedance measurement method and device, electronic equipment and medium

The invention discloses a converter impedance measurement method and device, electronic equipment and a medium, and is applied to the field of converter data calculation and processing. Positive sequence current disturbance and positive sequence voltage disturbance are superposed at a current sampli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG DONG, HU PENGFEI, RONG QUANSEN, YU YANXUE
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a converter impedance measurement method and device, electronic equipment and a medium, and is applied to the field of converter data calculation and processing. Positive sequence current disturbance and positive sequence voltage disturbance are superposed at a current sampling value of the converter to obtain a first disturbance current value, a first disturbance voltage value, a second disturbance current value and a second disturbance voltage value; determining a first to-be-measured impedance value and a transfer function according to the obtained values; and determining a second to-be-measured impedance value and an initial impedance value according to the first to-be-measured impedance value, the transfer function, the equivalent impedance value of the filter and related parameters of the converter, and determining a final target impedance value of the converter according to a decoupling coefficient and the initial impedance value determined by the equivalent impedance value of t