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RESONANT CURRENT PHASOR CONTROL-BASED HIGH-FREQUENCY INVERTER USING STATIC INDUCTION POWER DEVICES
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Author(s) |
H. Ogiwara; M. Nakaoka; T. Maruhashi |
Abstract |
The authors introduce a new circuit configuration of resonant-type high-frequency inverter having inherent fast response of the output power regulation and variable-voltage variable-frequency (VVVF) capability. The power conditioning circuit is composed of a parallel combination of two series-resonant sub-inverters with common DC input and output AC terminals. Both resonant inverter units are operated at synchronous resonant frequency but with an adjustable phase difference angle from 0° to 180° allowing continuous control of the output AC power from full to null power, respectively. Steady-state operation of this inverter is analized theoretically and computer-simulated waveforms and its characteristic curves are shown in terms of normalized control variables and circuit parameters. A newly-developed prototype inverter using Static lnduction Power Devices (SIT or SITh) is originally tested with a high-frequency induction-heating load with parallel tuned tank circuit to demonstrate experimentally the proposed instantaneous current- phasor controlled inverter principle and the steady-state inverter performances. |
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Filename: | Unnamed file |
Filesize: | 3.14 MB |
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Type |
Members Only |
Date |
Last modified 2021-03-02 by System |
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