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http://dx.doi.org/10.6113/TKPE.2019.24.2.120

Neutral-Point Voltage Balancing Control Scheme for Fault-Tolerant Operation of 3-Level ANPC Inverter  

Lee, Jae-Woon (Electric Machines and Drives Research Center, KERI)
Kim, Ji-Won (Electric Machines and Drives Research Center, KERI)
Park, Byoung-Gun (Electric Machines and Drives Research Center, KERI)
Nho, Eui-Cheol (Dept. of Electrical Eng., Pukyong National University)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.24, no.2, 2019 , pp. 120-126 More about this Journal
Abstract
This study proposes a neutral voltage balance control scheme for stable fault-tolerant operation of an active neutral point clamped (ANPC) inverter using carrier-based pulse width modulation. The proposed scheme maintains the neutral voltage balance by reconfiguring the switching combination and modulating the reference output voltage in order to solve the degradation of the output characteristic in the fault tolerant operation due to the fault of the power semiconductor switch constituting the ANPC inverter. The feasibility of the proposed control scheme is confirmed by HIL experiment using RT-BOX.
Keywords
Fault-tolerant; ANPC; Voltage balancing; Multi-level inverter; Reliability;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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