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:
Aug. 25, 2020
Filed:
May. 22, 2017
Global Energy Interconnection Research Institute Co., Ltd., Beijing, CN;
State Grid Corporation of China, Beijing, CN;
Guangfu Tang, Beijing, CN;
Zhiyuan He, Beijing, CN;
Wandi Zhou, Beijing, CN;
Xiaoguang Wei, Beijing, CN;
Sheng Zhang, Beijing, CN;
Yan Zhao, Beijing, CN;
Xiang Luo, Beijing, CN;
Pengzhi Li, Beijing, CN;
GLOBAL ENERGY INTERCONNECTION RES. INST. CO., LTD., Beijing, CN;
STATE GRID CORPORATION OF CHINA, Beijing, CN;
Abstract
A combined direct current circuit breaker includes a transfer branch, an energy absorption branch, at least two primary branches and at least two secondary branches; the transfer branch is connected in parallel with the energy absorption branch; the primary branches are in one-to-one correspondence with the second branches; the primary branches are connected with direct current outgoing lines of a direct current busbar in a high-voltage direct current power transmission system; the secondary branches are connected in series with the transfer branches and then connected in parallel with two ends of the primary branches corresponding to the secondary branches.