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:
May. 30, 2023
Filed:
Mar. 11, 2021
Shenzhen Vmax New Energy Co.,ltd., Guangdong, CN;
Jun Liu, Guangdong, CN;
Yingying Feng, Guangdong, CN;
Shun Yao, Guangdong, CN;
Renwei Feng, Guangdong, CN;
SHENZHEN VMAX NEW ENERGY CO., LTD., Guangdong, CN;
Abstract
A single-phase and three-phase compatible conversion circuit includes an EMC module, a PFC module, a switch Kand a control module. The EMC module is connected between lines A, B, C and N of a power grid and the PFC module. Three lines A, Band Care led out from the EMC module and are connected with the PFC module, and are respectively connected to a set virtual midpoint through capacitors CX, CX, and CX. The virtual midpoint is connected to a bus midpoint of the PFC module through the switch K. The control module is used for detecting a power grid input signal and controlling the state of the switch Kaccording to the type of the power grid input signal. The common-mode noise of the three-phase conversion mode can be reduced, and the three-phase conversion mode can be controlled within a larger bus voltage regulation range.