Modular multilevel converter valve protection method

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United States of America Patent

PATENT NO 9373950
APP PUB NO 20140002933A1
SERIAL NO

14005267

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Abstract

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The invention relates to Modular multilevel converter valve protection method, the modular multilevel converter valve consists of 6 arms, the arm includes sub modules, 1 arm is controlled by 1 control host, 6 control hosts is controlled by 1 summary control host, the method of the invention includes that the arm realizes locking sub module, bypass sub module, trip requests and system switching request and the summary control host implements summary and control response. The invention improves the reliability of two protection system through the use of dual redundancy protection method, clears the protection division through the layered protection frame of the upper summary control host and multi arm control host. And finally, it improves the whole safety and reliability of the modular multilevel converter valve.

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Patent Owner(s)

Patent OwnerAddress
STATE GRID CORPORATION OF CHINA100031 NO 86 WEST CHANG'AN AVENUE BEIJING XICHENG DISTRICT BEIJING CITY BEIJING CITY 100031
CHINA ELECTRIC POWER RESEARCH INSTITUTENO 15 XIAOYING EAST ROAD QINGHE HAIDIAN DISTRICT BEIJING 100192 CHINA BEIJING 100192
GLOBAL ENERGY INTERCONECTION RESEARCH INSTITUTENO 270 SHUNSHALU DONGLIU VILLAGE XIAOTANGSHAN TOWN CHANGPING DISTRICT BEIJING 102211
CHINA-EPRI ELECTRIC POWER ENGINEERING CO LTDROOM 2296 BLOCK 9 B QIANQIAN ROAD CHANGPING TOWN CHANGPING DISTRICT SCIENCE AND TECHNOLOGY PARK BEIJING 102200 BEIJING CITY BEIJING CITY 102200

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Yang Beijing, CN 446 6138
He, Zhiyuan Beijing, CN 15 92
Wang, Renqiu Beijing, CN 312 3223
Xie, Minhua Beijing, CN 2 17
Yang, Yuefeng Beijing, CN 19 135
Zhang, Xinggang Beijing, CN 3 17

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