The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2016
Filed:
Nov. 29, 2011
Yang Gao, Beijing, CN;
Yuefeng Yang, Beijing, CN;
Renqiu Wang, Beijing, CN;
Zhiyuan He, Beijing, CN;
Xinggang Zhang, Beijing, CN;
Minhua Xie, Beijing, CN;
Yang Gao, Beijing, CN;
Yuefeng Yang, Beijing, CN;
Renqiu Wang, Beijing, CN;
Zhiyuan He, Beijing, CN;
Xinggang Zhang, Beijing, CN;
Minhua Xie, Beijing, CN;
GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE, Beijing, CN;
STATE GRID CORPORATION OF CHINA, Beijing, CN;
CHINA-EPRI ELECTRIC POWER ENGINEERING CO., LTD, Beijing, CN;
CHINA ELECTRIC POWER RESEARCH INSTITUTE, Beijing, CN;
Abstract
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.