Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "A New Switching Method for Reducing switch loss of Single-phase three-level NPC inverter," The Transactions of the Korean Institute of Electrical Engineers, vol. 64, no. 2, pp. 268–275, Feb. 2015. > Paper

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Domestic Journals Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "A New Switching Method for Reducing switch loss of Single-phase three-level NPC inverter," The Transactions of the Korean Institute of Electrical Engineers, vol. 64, no. 2, pp. 268–275, Feb. 2015.

2015

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This paper proposes method of switching to improve power loss for the single-phase three-level NPC inverter. The conventional

switching methods, which are called as the bipolar and unipolar switching methods, are used for single phase inverters using three-

level topology. However, theses switching method have disadvantage in the power less. Because all of the switch are operated. To

reduce the power less of the three-level NPC inverter, clamp switching method is introduced in this paper. This way, on of the lag is

fixed that switching loss is reduced. This paper analyzes and compares power losses of unipolar method and clamp method. The

validity of the power loss analysis is verified through the simulation and experimental results.

 

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