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Three Phase High Power Quality Two- Stage Boost Rectifier


Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 4;
Issue: 4;
Start page: 1702;
Date: 2012;
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Keywords: Power Quality | Boost Rectifier | Total Harmonic Distortion

Three-phase two-stage boost rectifier with sinusoidal input current are presented and a novel topology with two active power devices is proposed. These contain a capacitor for pumping action in DC circuit. This gives twostage boost operation to obtain higher DC output voltage. The rectifier can be operated in the switch mode forpumping action and for forcing the input current to follow its sinusoidal reference independent of the working conditions. The results of the proposed rectifier are compared with those of the rectifier with a single active power device. The simulation result gives the better output DC voltage regulation under open loop condition. The simulated results prove that the proposed rectifier has the expected performance.
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