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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Morimoto, K. Doi, T. Manabe, H. Fathy, K. Mun, S.P. Kwon, S.K. |
| Copyright Year | 2007 |
| Description | Author affiliation: Daihen Corp., Osaka (Morimoto, K.; Doi, T.; Manabe, H.) |
| Abstract | This paper presents two new circuit topologies of voltage source-fed soft-switching PWM inverter using a high frequency transformer parasitic inductive components with full- bridge or half-bridge configuration, which are more suitable for utility AC 400 V-rms input mains. These circuits have each reverse conducting power semiconductor switching devices in series with high and low DC buslines, a single or two lossless snubbing capacitors in parallel with two DC buslines and additional diode components. Under the newly proposed high frequency softswitching PWM inverter link DC-DC power converter circuits for utility AC 400V-rms input, all the active power switches in the full- bridge arms or half-bridge arm and DC buslines achieve ZCS turn- on commutation operation and ZVS turn-off commutation operation, and consequently the total turn-off switching power losses can be significantly reduced. As a result, a high switching frequency for IGBTs used can be actually realized at a frequency band more than about 20 kHz. It is proved that the more the switching frequency of inverter increases, the more soft switching PWM DC-DC converters with a high frequency transformer have remarkable advantages for its power conversion efficiency and power density as compared with the conventional hard switching PWM full-bridge inverter type DC-DC converter. The practical effectiveness of these new converter topologies are confirmed for low voltage and large current DC power supplies as high performance arc welding machine from a practical point of view. |
| Starting Page | 238 |
| Ending Page | 244 |
| File Size | 573111 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781424406548 |
| ISSN | 02759306 |
| DOI | 10.1109/PESC.2007.4341995 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-06-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Rails Resonance Analog-digital conversion DC-DC power converters Pulse width modulation inverters Bridge circuits Switching circuits Frequency conversion Commutation Switching frequency Arc welding power supply for 400V AC grid Dc-dc converter High frequency transformer link Soft switching PWM Input dc rail series switch assisted parallel lossless capacitor snubber |
| Content Type | Text |
| Resource Type | Article |
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