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:
Sep. 26, 2023
Filed:
Jul. 05, 2021
Delta Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Qing Jiang, Shanghai, CN;
Yongkai Liao, Shanghai, CN;
Min Xu, Shanghai, CN;
Shunyang Ji, Shanghai, CN;
Delta Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Abstract
Provided are a wireless power transmission apparatus and a control method thereof. The apparatus includes a transmitting unit which includes an inverter circuit, a first compensation circuit, and a transmitting coil; a receiving unit which includes a receiving coil, a second compensation circuit, and a rectifier circuit; a power regulation unit configured to regulate an output signal of the wireless power transmission apparatus; and a control unit configured to: acquire a voltage-and-current phase difference of the transmitting unit, a detection signal, and a power detection value of the wireless power transmission apparatus; control an operating frequency of the inverter circuit according to the voltage-and-current phase difference and a preset phase difference, and generate a power derating signal according to the detection signal, and control, according to the power derating signal, the power detection value and a power reference signal, the power regulation unit to regulate the output signal.