Zte Corporation

Yaoguang Gao

Jie Fan

Jing Wen Wang

Yong Luo

Yan Zhang

Jing Wang

Jianping Zhou

Chuan Zhong He

Chen Liu

Cheng Guo

Fengfu Du

Beibei Qiu

Feiyun Tang

Jianquan Liu

Lin Chi

Disclosed are a regulating method and system for a contactless transformer, applied to a regulating system including a contactless transformer and a detecting device (), wherein the contactless transformer includes a transmitting end () and a receiving end (), and the method includes: using the detecting device () to detect power transmission parameter information between a transmitting coil () and a receiving coil () of the contactless transformer, and a transmitting end controller () regulating operating parameters of a power transmitting end circuit () based on the power transmission parameter information; a receiving end controller () regulating operating parameters of a power receiving end circuit () based on the power transmission parameter information.

Method and system for regulating contactless transformer

A controlling method and device for a wireless power transfer system, wherein the wireless power transfer system includes a transmitting component and a receiving component, and further includes a contactless transformer & compensation (CT&C) circuit, and the controlling method includes: obtaining positional relationship information of the transmitting component and the receiving component; adjusting the number of coil turns of the transmitting component based on the positional relationship information, and making conditions of a CT&C voltage gain characteristic and an input impedance characteristic after a charging inverter bridge of the wireless power transfer system meet a charging condition. The abovementioned technical solution can provide a protection for a stable operation of the wireless power transfer system with a non-mechanical adjusting device, and the wireless charging can be achieved without using a mechanical adjusting device to align and range.

Control method and device for wireless power transfer system of motor device

Provided is apparatus and a method for driving synchronous rectifiers, which relate to the field of power supplies for communications. The apparatus includes: detection circuits, wherein each of the detection circuits is configured to detect drain and source voltages of one of synchronous rectifiers to obtain a detection signal for indicating a current direction in the one of the synchronous rectifiers; an isolated driving circuit, configured to generate isolated driving signals for driving the synchronous rectifiers according to the detection signals output by the detection circuits; and the synchronous rectifiers, configured to synchronously rectify input signals from a main transformer by using the isolated driving signals. The present disclosure can obtain the isolated driving signals of the synchronous rectifiers simply and effectively, and has a superior protective feature in case of shoot-through and other abnormalities.

Apparatus and method for driving synchronous rectifier

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Shenzhen, China

Yaoguang Gao