Implementation of a Hybrid High Power Factor Three-Phase Unidirectional Rectifier
Ankusha.Biradar1, Nagabhushan.Patil2

1Ankusha Biradar, Department of Electrical & Electronics Engineering, P.D.A.C.E, Gulbarga (Karnataka), India.
2Prof. Nagabhushan Patil, Department of Electrical & Electronics Engineering, P.D.A.C.E, Gulbarga (Karnataka), India.
Manuscript received on 12 March 2013 | Revised Manuscript received on 21 March 2013 | Manuscript Published on 30 March 2013 | PP: 203-206 | Volume-2 Issue-4, March 2013 | Retrieval Number: D0513032413/13©BEIESP
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Abstract: This paper presents a new hybrid three phase rectifier composed by the parallel association of a single switch three phase boost rectifier with a pwm three phase unidirectional rectifier. According to this proposal each rectifier processes about half of the output rated power. The diode rectifier operates at a low frequency and has a higher output power rating Therefore ,the pwm unidirectional rectifier is designed to operate with a small power rating and a high switching frequency. In the proposed scheme, dsPIC30F2010 controller is used to produce signals. A resistive load(Two incandescent lamps with different watts) are used as load for testing the developed hardware. Textronics TDS2024B storage oscilloscope is used to store the gate pulses and waveforms. The perfectly sinusoidal input currents with improved power factor can be obtained by this hybrid rectifier.
Keywords: Active Rectifier, Bridge, IGBT, Mosfets, Passive Rectifier, Sensors.

Scope of the Article: High Performance Computing