전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제24권6호
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  • Pages.419-427
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  • 2019
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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PMSG 풍력발전기용 3L ANPC와 TNPC 컨버터에서의 10kV IGCT 성능 비교 평가

Comparative Performance Evaluation of 10kV IGCTs in 3L ANPC and TNPC Converters in PMSG MV Wind Turbines

  • 투고 : 2019.04.25
  • 심사 : 2019.07.09
  • 발행 : 2019.12.20
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초록

Several multilevel converter topologies have been proposed and compared. The three-level (3L) neutral-point-clamped (NPC) topology is promising and widely accepted. However, this topology suffers from uneven loss distribution among switches due to its fixed switching strategy. The 3L active NPC (ANPC) topology, which exhibits improved loss distribution profile, was proposed to address this disadvantage. The 3L T-NPC topology, a hybrid configuration of 2L and 3L NPC topologies, was introduced to address not only the loss distribution problem but also the reduction in the number of switches. In the present research, the application of these three topologies in PMSG-based medium-voltage wind turbines was investigated. The power devices considered were 10 kV IGCTs. Performance was evaluated in terms of a power loss of 10 kV IGCT for each NPC topology, which is a crucial indicator of thermal behavior, reliability, cost, and lifetime of any converter. The comparison was performed using ABB make 10 kV IGCT 5SHY17L9000 and the simulation tool PLECS.

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참고문헌

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