Delta Electronics (shanghai) Co., Ltd

Delta Electronics (thailand) Public Company Limited

Junlai Huang

Kai Dong

Zhongwei Ke

Xuanshun Qi

Jinfa Zhang

Yong Huang

Junhao Ji

Youzhun Cai

Dagang Liu

Lingfeng Jiang

Changyun Xiao

Jia Sun

Jinhao Gan

The present application provides a power supply system for supplying power to network device, comprising power supply module, housing, and stereoscopic accommodating space therebetween. The power supply module without a fan comprises: a primary circuit comprising at least one primary switch and configured to receive AC input voltage and convert the AC input voltage into a first voltage; a transformer comprising primary and secondary windings and configured to convert the first voltage into a second voltage, the primary winding is coupled to the primary circuit; and a secondary circuit comprising at least one secondary switch and configured to convert the second voltage into a DC output voltage for the network device, the secondary circuit is coupled to the secondary winding, the secondary switch adopts SMT package, and power density of the power supply module is 60 W/inchor more. The stereoscopic accommodating space is filled with liquid coolant for cooling.

Power supply system for supplying power to network device

The present disclosure discloses a composite switching circuit, including a plurality of first semiconductor devices connected in series; and at least one second semiconductor device each connected in parallel to one of the plurality of first semiconductor devices. The composite switching circuit is connected to an input source. The second semiconductor device is turned off during a preset period to transfer a current flowing through the second semiconductor device to the first semiconductor devices connected in parallel to the second semiconductor device.

Composite switching device with switching device and diode in parallel

A power conversion device includes a main board, a connector module, an input conversion module, a capacitor, an output conversion module, a control module and a conducting part. The main board includes two lateral edges along a first direction and two lateral edges along a second direction. The connector module is mounted on the main board, and includes an input connector and an output connector. The output connector is located under the input connector. The input conversion module, the output conversion module and the control module are perpendicularly mounted on the main board. The conducting part is in parallel with the control module and electrically coupled with the input connector or the output connector. The connector module, the input conversion module, the capacitor and the output conversion module are mounted on the main board and arranged in a line along the second direction.

Power conversion device

A power conversion device includes a main board, an electromagnetic interference filter module, an auxiliary power module, a capacitor group, a main power unit, a control plate, an output bus bar and a fan. A first air channel is formed between the auxiliary power module and the electromagnetic interference filter module. A second air channel is formed between two rows of the capacitor group. A third air channel is formed between the two main power conversion modules of the main power unit. The control plate is perpendicularly installed on the main board. The output bus bar is perpendicularly installed on the main board, arranged in parallel with the control plate and located near the control plate. The fan is located near the main power unit and producing airflow to the first air channel, the second air channel and the third air channel.

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Samutprakarn, Thailand

Junlai Huang