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HU Ping, SUN Jiong, LIU Kai, SHAO Song-shi. Conductive Interference Analysis and Suppression for Torpedo Motor Inverter System[J]. Journal of Unmanned Undersea Systems, 2011, 19(3): 221-225. doi: 10.11993/j.issn.1673-1948.2011.03.014
Citation: HU Ping, SUN Jiong, LIU Kai, SHAO Song-shi. Conductive Interference Analysis and Suppression for Torpedo Motor Inverter System[J]. Journal of Unmanned Undersea Systems, 2011, 19(3): 221-225. doi: 10.11993/j.issn.1673-1948.2011.03.014

Conductive Interference Analysis and Suppression for Torpedo Motor Inverter System

doi: 10.11993/j.issn.1673-1948.2011.03.014
  • Received Date: 2010-04-23
  • Rev Recd Date: 2010-06-19
  • Publish Date: 2011-06-30
  • To solve the electromagnetic interference (EMI) problems of torpedo motor inverter produced by high power and high frequency, a new type of parallel resonant DC link inverter(PRDCLI) topology and control strategy are introduced, the principle is expounded. The EMI source and it′s propagation are discussed. Furthermore, a control strategy to reduce the EMI is presented, the EMI test scheme is designed, and the EMI spectrums under hard-switch and soft-switch are compared. Experimental results show that the adopting soft-switch technology and optimized control strategy can effectively reduce the EMI of torpedo motor inverter.

     

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