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SINGLE-STAGE INVERTER WITH HIGH FREQUENCY ISOLATION TRANSFORMER
SINGLE-STAGE INVERTER WITH HIGH FREQUENCY ISOLATION TRANSFORMER
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机译:高频隔离变压器单级逆变器
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摘要
The novel single-stage power processing DC-AC inverter topology with high frequency isolation transformer eliminates the four-transistor unfolding full-bridge stage and provides the output AC voltage at high power conversion efficiency. The new inverter topology has only three switches, two resonant capacitors, a resonant inductor, an output inductor and a small size high-frequency isolation transformer, which does not store the DC energy. The output AC voltage is obtained by the PWM sinusoidal modulation of the duty ratio control of the three switches and can be regulated against the input voltage changes.
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