Abstract: A novel DC-AC Boost three-level inverter was proposed in order to develop higher efficient single phase PV inverter with lower output ripple.It can transform input 48 V DC power to output 220 V AC power by combining series-parallel diode-capacitor network,traditional DC-DC Boost converter and bridge inverter main circuit together.The operation principle of the novel inverter was analyzed,and the operation was verified by experiments.The experimental results prove that,compared with traditional three-level inverter,the novel inverter has more advantages.Realizing the three-level inversion,the novel three-level inverter can also increase the voltage lift-rating,use less switch devices and improve the power efficiency.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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