Elimination of Commutation Failure by Hybrid HVDC System

Xiao-Ping Zhang (Inventor), Ying Xue (Inventor)

Research output: Patent

Abstract

A line commutated converter, LCC, for a high-voltage, direct current, HVDC, power converter comprises at least one bridge circuit for connection to at least one terminal of a DC system. Each bridge circuit comprises a plurality of arms, and each arm is associated with a respective phase of an AC system. Each arm comprises an upper and lower thyristor connected in series, an associated branch extending from between the upper and lower thyristors, and at least one capacitor module for each phase. The, or each capacitor module is operable to insert a capacitor into the respective arm of the bridge circuit.
Original languageEnglish
Patent numberWO2016/177991
IPCH02M7/757, H02M7/525, H02M7/515, H02M7/521
Priority date5/05/15
Publication statusPublished - 10 Nov 2016

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