半周控制双Buck-Boost单级逆变器

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Abstract A novel half load-cycle worked dual Buck-Boost single-stage inverter is presented in this paper. Compared with the traditional two-stage inverter, the single-stage inverter is smaller and lighter due to the structure is greatly simplified as well as the circuit components are reduced a lot. Direct boost DC-AC converter can not be realized by most traditional inverter, so one DC-DC converter has to be added in the front of traditional inverter when input bus voltage is low. In order to obtain one single-stage inverter which can make direct boost inverter come true, two Buck-Boost topologies are combined which are series-wound in input side and parallel connected in output side. Special half load-cycle control mode is used in this new inverter. No matter the input bus voltage is higher or lower than the output voltage, the new inverter works normally and reliably and the output waveform is good, the converter efficiency is high at the same time. Simulation and Experiment verifies those analysis.

Key words： Inverter single-stage Buck-Boost control

Received: 26 August 2010 Published: 07 March 2014

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TM464

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	Ji Baojian
	Hong Feng

Cite this article:

Ji Baojian,Hong Feng. Half Load-Cycle Worked Dual Buck-Boost Single-Stage Inverter[J]. Transactions of China Electrotechnical Society, 2011, 26(11): 53-60.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I11/53

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