IGBT-based voltage-adjustable PWM rectifier topology
A rectifier and adjustable voltage technology, which is applied in the direction of irreversible AC power input conversion to DC power output, output power conversion device, AC power input conversion to DC power output, etc., which can solve the problem that PWM rectifier cannot adjust voltage, etc. Achieve high power factor and low harmonic pollution
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[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0016] A kind of adjustable voltage PWM rectifier topology based on IGBT of the present invention, such as figure 1 As shown, it includes a three-phase AC power supply 1, the three-phase AC power supply 1 is connected to the AC side filter circuit 2, the output end of the AC side filter circuit 2 is connected to the full control device 6, the full control device 6 includes three groups of IGBTs, and the first group of IGBTs includes Power switch tube Q 1 and Q 2 , power switch tube Q 1 The collector C is connected to the output terminal of the AC side filter circuit 2, and the power switch tube Q 1 The emitter E and the power switch tube Q 2 The emitter E is connected; the second group of IGBTs includes the power switch tube Q 3 and Q 4 , power switch tube Q 3 The collector C of the collector is connected to the AC side filter circuit ...
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