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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Song, I.H. Shin, H.S. Choi, C.H. |
| Copyright Year | 2001 |
| Abstract | Summary form only given. In this paper we present a Capacitor Charging Power Supply (CCPS) using a series resonant three level inverter topology to improve voltage regulation and use semiconductor switches having low blocking voltage capability such as MOSFETs. This inverter can be operated with two modes, Full Power Mode (FPM) and Half Power Mode (HPM). In FPM inverter supplies the high frequency step up transformer with full DC-link voltage and in HPM with half DC-link voltage. HPM switching method will be adopted when CCPS output voltage reaches the preset target value and operates in refresh mode-charge is maintained on the capacitor. In this topology each semiconductor devices blocks a half of the DC-link voltage, for example we can use the 250 V semiconductor switch when designing 500 V DC-link voltage inverter system without considering the margin. A 15 kW, 30 kV CCPS has been built and will be tested for a electric precipitator application. The CCPS operates from an input voltage of 500 VDC and has a variable output voltage between 10 to 30 kV and 1 kHz repetition rate at 33 nF capacitive load. A resonant frequency of 20 kHz was selected and a voltage regulation of 0.83% has been achieved through the use of half power mode without using the forced cut off the switch current. The theory of operation, circuit topology and test results will be given in full paper. Now we present the simplified circuit diagram of proposed CCPS and important waveforms for a single-charge cycle. |
| Sponsorship | Plasma Sci. & Applications Committee |
| File Size | 88427 |
| File Format | |
| ISBN | 0780371410 |
| DOI | 10.1109/PPPS.2001.961211 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-06-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Power supplies Inverters Topology Voltage control Power semiconductor switches Circuit testing Power capacitors Resonance Low voltage MOSFETs |
| Content Type | Text |
| Resource Type | Article |
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