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:
Apr. 14, 2015
Filed:
Sep. 13, 2012
Yan-song LU, Shanghai, CN;
Chang-yong Wang, Shanghai, CN;
Jun Chen, Shanghai, CN;
Xue-xiao Luo, Shanghai, CN;
Jun-sheng Mu, Shanghai, CN;
Yan-Song Lu, Shanghai, CN;
Chang-Yong Wang, Shanghai, CN;
Jun Chen, Shanghai, CN;
Xue-Xiao Luo, Shanghai, CN;
Jun-Sheng Mu, Shanghai, CN;
Delta Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Abstract
The present invention provides an excitation control circuit and the electrically excited wind power system having the same. The excitation control circuit includes a plurality of full-power converters, each of which has a generator-side converter and a grid-side converter; a DC excitation module including a plurality of DC-DC converters; and a control module, controlling or switching any DC-DC converter working normally, and controlling excitation switch turning ON or turning OFF.