Sub-module distributed control method, device and system

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United States of America Patent

PATENT NO 9876420
SERIAL NO

15528100

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Abstract

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A submodule distributed control method, device and system are provided. Submodules of each bridge arm are grouped. Each group corresponds to one valve based controller. An upper-level control device calculates a weight of each group according to a bridge arm current, an average voltage of normal submodules in each group, and the number of the normal submodules in each group; calculates, according to the number of submodules to be input in a corresponding bridge arm, the number of submodules being input in each group and delivers the number to the valve based controller. The valve based controller operates according to a voltage balancing policy and a gating method that are provided in the prior art.

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Patent Owner(s)

Patent OwnerAddress
NR ELECTRIC CO LTD211102 NO 69 SU YUAN AVENUE JIANGNING DISTRICT JIANGSU NANJING NANJING CITY JIANGSU PROVINCE 211102
NR ENGINEERING CO LTD211102 NO 69 SU YUAN AVENUE JIANGNING DISTRICT JIANGSU NANJING NANJING CITY JIANGSU PROVINCE 211102

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Dongming Jiangsu, CN 23 75
Ding, Jiudong Jiangsu, CN 8 10
Dong, Yunlong Jiangsu, CN 31 62
Li, Haiying Jiangsu, CN 49 142
Liu, Haibin Jiangsu, CN 49 141
Lu, Yu Jiangsu, CN 368 9572
Tian, Jie Jiangsu, CN 85 177

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