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:
Oct. 01, 2019
Filed:
Jan. 12, 2016
Delta Electronics, Inc., Taoyuan, CN;
Hongyang Wu, Taoyuan, CN;
Weiqiang Zhang, Taoyuan, CN;
Lizhi Xu, Taoyuan, CN;
Wei Guan, Taoyuan, CN;
Delta Electronics, Inc., Taoyuan, Taiwan, CN;
Abstract
The present disclosure provides a power frequency current converter, including: an input side and an output side, wherein a current of the input side or the output side is a power frequency current; a switching device; and a controller, configured to control the switching device to be turned on and turned off at an operating frequency, wherein within a half of a power frequency cycle, the controller generates at least two fixed-frequency control signals and the operating frequency of the switching device alters at least twice according to the at least two fixed-frequency control signals, so as to reduce junction temperature of the switching device.