MODULAR MULTI-LEVEL FLEXIBLE DIRECT-CURRENT TOPOLOGY CIRCUIT SUITABLE FOR FAULT RIDE-THROUGH

Title:

MODULAR MULTI-LEVEL FLEXIBLE DIRECT-CURRENT TOPOLOGY CIRCUIT SUITABLE FOR FAULT RIDE-THROUGH

Document Type and Number:

WIPO Patent Application WO/2015/188673

Kind Code:

A1

Abstract:

A modular multi-level flexible direct-current topology circuit suitable for fault ride-through, comprising a module cascading circuit, a voltage conversion circuit and a compensation circuit, wherein after being connected to the voltage conversion circuit in parallel, the module cascading circuit is connected to the compensation circuit in series. The direct-current topology circuit can achieve alternating-current and direct-current fault ride-through simply and effectively, thereby being suitable for application in the field of high-voltage high-capacity direct-current overhead lines.

Inventors:

YANG JIE (CN)
HE ZHIYUAN (CN)
KONG MING (CN)
JI LANLAN (CN)
MA WEIWEI (CN)

Application Number:

PCT/CN2015/078640

Publication Date:

December 17, 2015

Filing Date:

May 11, 2015

Export Citation:

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Assignee:

STATE GRID CORP CHINA (CN)
STATE GRID SMART GRID RES INST (CN)
CHINA EPRI ELECTRIC POWER ENG (CN)

International Classes:

H02J3/12; H02J1/02

Domestic Patent References:

WO2013135300A1

2013-09-19

Foreign References:

CN104037754A	2014-09-10
CN102334274A	2012-01-25
CN102804571A	2012-11-28
CN102577066A	2012-07-11

Other References: