Industrial Technology Research Institute

Chun-Chen Lin

Jih-Sheng Lai

Chin-Hone Lin

Nan-Hsiung Tseng

Yi-Ling Lin

Hsieh-Tai Su

Chih-Wei Ko

Chien-Ming Wang

A distributed single-stage on-board charging device comprises a first transformer having a first primary winding and a first secondary winding; a first capacitor connected to the first primary winding; a first inductor connected to the first capacitor, wherein the first capacitor is located between the first inductor and the first transformer; a first transistor connected to the first capacitor and the first inductor; a first diode connected to the first secondary winding; a second transformer having a second primary winding and a second secondary winding, wherein the first transformer and the second transformer are connected in parallel; a second capacitor connected to the second primary winding; a second inductor connected to the second capacitor, wherein the second capacitor is located between the second inductor and the second transformer; and a second transistor connected to the second capacitor and the second inductor.

Distributed single-stage on-board charging device and method thereof

A soft-switching auxiliary circuit is provided, which may be applicable to a converter including a first main switch and a second main switch. The soft-switching auxiliary circuit may include a first auxiliary switch, a second auxiliary switch, a first energy adjustment module and a second energy adjustment module. By means of the first auxiliary switch and a second auxiliary switch, the first energy adjustment module and the second energy adjustment may properly store and adjust the energy of the converter; therefore, both the first main switch and the second main switch of the converter can achieve soft-switching.

Soft-switching auxiliary circuit

Growing community of inventors

Taichung, Taiwan

Chun-Chen Lin