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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Salmon, J.C. Olsen, S. Nowicki, E. |
| Copyright Year | 1995 |
| Description | Author affiliation: Dept. of Electr. Eng., Alberta Univ., Edmonton, Alta., Canada (Salmon, J.C.; Olsen, S.) |
| Abstract | This paper presents a three-phase buck-boost switchmode power converter that lowers the input harmonics drawn by a voltage source PWM inverter drive. The buck-boost power converter examined, rated with a 0.26 per-unit current and drawing 6% of the total drive input power, is connected in parallel with the drive's main diode bridge and LC filter. 94% of the drive power is drawn through the diode rectifier. The low electrical stresses associated with the buck-boost power converter, in addition to the small number of high frequency switching components, makes the drive topology robust, conducive to soft-switching techniques and lowers the generation of EMI-RFI. The rectifier topologies are suitable for regulating the DC voltage rails for 2-level and 3-level inverters. For 3-level inverter drives using a centre-tapped capacitor DC-rail, the proposed rectifiers can compensate for load imbalances and maintain equal voltage drops across the two DC-rails. Since the buck-boost switchmode power converter is separate from the main drive diode rectifier, the drive can continue to operate satisfactorily even if the buck-boost converter fails. This same feature makes the buck-boost converter unit suitable as a drive option or for retrofitting. The drive configurations examined in the paper are verified with experimental results and Spice simulations. |
| Starting Page | 2475 |
| Ending Page | 2482 |
| File Size | 808401 |
| Page Count | 8 |
| File Format | |
| ISBN | 0780330080 |
| ISSN | 01972618 |
| DOI | 10.1109/IAS.1995.530618 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1995-10-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Pulse width modulation inverters Switching converters Rectifiers Bridge circuits Voltage Power system harmonics Topology Diodes Power harmonic filters Stress |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering |
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