Gate driving circuit board and gate driving unit and method
A gate drive and circuit board technology, applied in the field of traction systems, can solve the problems of pre-sales service without after-sales technical support, long delivery cycle, high import price, etc., to achieve reliable technical support, improve efficiency, and reduce costs.
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[0030] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0031] like figure 1 As shown, a gate drive circuit board is used to drive and control high-power IGBT transistors, including a CPLD main control chip 5, a primary low-voltage PCB1, a secondary high-voltage PCB3, an isolation drive transformer 2, and a high-voltage divider PCB4. The PCB1 and the secondary high voltage PCB3 are connected through an isolation drive transformer 2, the CPLD main control chip 5 and the high voltage divider PCB4 are fixed on the secondary high voltage PCB3, the high voltage divider PCB4 adopts the base material S1141, and the primary low voltage The PCB1 is provided with a power interface 6, and the secondary high-voltage PCB3 is p...
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