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2005•The Transactions of the Korean Institute of Power ElectronicsRequires access

Reducing Switching Device of the HBML Inverter using the Transformers

Lee H.C, S H Lee, Shuguang Song, S E Cho, S J Park, Lee M.H

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Abstract

In this paper, we proposed the electric circuit using one common arm of H-Bridge Inverters to reduce the number of switching component in multi-level PWM inverter combined with H-Bridge Inverters and Transformers. and we proposed the switching method that can be same rate of usage at each transformer. Also, we tested the proposed prototype inverter to clarify the proposed electric circuit and reasonableness of control signal.

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What this paper is about

In this paper, we proposed the electric circuit using one common arm of H-Bridge Inverters to reduce the number of switching component in multi-level PWM inverter combined with H-Bridge Inverters and Transformers. and we proposed the switching method that can be same rate of usage at each transformer. Also, we tested the proposed prototype inverter to clarify the proposed electric circuit and reasonableness of control signal.

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Available abstract

In this paper, we proposed the electric circuit using one common arm of H-Bridge Inverters to reduce the number of switching component in multi-level PWM inverter combined with H-Bridge Inverters and Transformers. and we proposed the switching method that can be same rate of usage at each transformer. Also, we tested the proposed prototype inverter to clarify the proposed electric circuit and reasonableness of control signal.

Key concepts: Inverter, Transformer, Pulse-width modulation, Half bridge, Bridge circuit, Grid-tie inverter, Engineering, Electrical engineering

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