Abstract
In this paper a novel soft switching three-phase pulse width modulation (PWM) rectifier is proposed. Various switching state sequences of a three-phase three-switch buck-type unity power factor rectifier are reviewed and the operation modes of the converter are explained and analyzed. The converter operates under zero current switching (ZCS) condition. By using an auxiliary circuit with a simple method of energy recovery, the current is diverted away from the main power switches before they are to be turned off; so, switching losses in the converter are reduced. The auxiliary circuit consists of two auxiliary switches and a resonant inductance-capacitance circuit connected to the auxiliary switches. The proper operation of the converter is confirmed by the results obtained from the digital simulations.
| Original language | American English |
|---|---|
| Journal | Proceedings of the 36th Annual Conference of the IEEE Industrial Electronics Society (2010, Glendale, AZ) |
| DOIs | |
| State | Published - Nov 1 2010 |
Keywords
- Auxiliary Circuits
- Auxiliary Switch
- DC-DC Converters
- Digital Simulation
- Electric Power Factor
- Electric Rectifiers
- Energy Recovery
- Industrial Electronics
- Operation Mode
- Power Switches
- Pulse Width Modulation
- Pulse-Width Modulation Rectifiers
- Resonant Inductance
- Simple Method
- Soft Switching
- State Sequences
- Switching Loss
- Unity Power Factor Rectifier
- Zero Voltage Switching
- Zero-Current Switching
Disciplines
- Electrical and Computer Engineering
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