High-power hybrid cascade unity power factor rectifier bridge
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The present invention is a hybrid cascading power unit power factor bridge rectifier, a main power circuit comprises a boost inductor and a cascade of modules, comprising a first cascaded modules sixth module to module, cascade-phase or single-phase bridge main power circuit Star connection, contact angle bonding or more binary unity power factor rectifiers. The advantage is that: without using a frequency transformer, a low voltage power switch power rectifier complete conversion at high voltage, the number of using full-controlled switching device is greatly reduced. Rectifier can be run in a variety of conditions lead, lag, or the number of units and other power. Simplify the topology of the main power circuit, reduce costs, improve efficiency, reduce the complexity of the control, the control system is simple, in practice, such as HVDC engineering, high-power electronic transformers, high-voltage AC power - linear - AC inverter and other applications has important application value.