PUBLICATIONS
Paper
[Domestic Journals] Kyun-Seon Ji, Sung-Tak Jou, Hae-Gwang Jeong, and Kyo-Beum Lee, "Simple Compensation Method of Unclamped Switch Voltages in a Three-Level NPC Inverter," The Transactions of the Korean Institute of Power Electronics, vol. 19, no. 3, pp. 257–265, Jun. 2014.
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- 날짜 2019-06-26 14:47
- 조회 1,796
This paper proposes a simple compensation method for switches of the unclamped voltage in the three-level NPC inverter. Voltages of
inner-switches can be unclamped in the three-level NPC (neutral point clamped) inverter. It can cause the problem of the switch fault
accident. By adding a capacitor, switches of the unclamped voltage can be clamped. Through the analysis of the circuit, the reason
behind switches being unclamped was verified which leads to the solution method that designs a compensation capacitor. The proposed
method was validated through the simulation and experimental results.
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