Design Optimization of Quasi-Active Gate Control for Series-Connected Power Devices

  title={Design Optimization of Quasi-Active Gate Control for Series-Connected Power Devices},
  author={Nithiphat Teerakawanich and Christopher Mark Johnson},
  journal={IEEE Transactions on Power Electronics},
This paper presents a new gate drive circuit for driving a series string of insulated-gate bipolar transistors (IGBTs). The proposed quasi-active gate control (QAGC) circuit is simple to implement as it consists of only a few passive components in addition to a standard gate driver. No separate isolation power supply is required for the upper devices in the stack. The proposed QAGC circuit provides an effective way to drive the power devices and control static and dynamic voltage sharing to the… CONTINUE READING


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