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- Okamoto Masayuki
- Ube National College of Technology
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- Hiraki Eiji
- Graduate School of Yamaguchi University
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- Tanaka Toshihiko
- Graduate School of Yamaguchi University
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- Tanaka Atsushi
- The Chugoku Electric Power Co., Inc.
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抄録
This paper proposes a universal large-capacity capacitor simulator. The proposed simulator consists of a main chemical capacitor and three-leg IGBTs. One leg of the IGBTs acts as a bidirectional dc-dc converter. The other two legs are used for a single-phase PWM rectifier. In the capacitor-charging operation, the bidirectional dc-dc converter is used as a boost converter. Most of the power supplied by the load is supplied to the utility through the single-phase PWM rectifier. In the capacitor-discharging operation, the bidirectional dc-dc converter acts as a buck converter. Most of the power supplied to the load is from the utility through the single-phase PWM rectifier. A new control method, which can perform as an inner-series resistor in a supercapacitor (SC), is also proposed for an SC simulator. The basic principle of the proposed capacitor simulator is discussed in detail. The validity and high applicability of the proposed large-capacity capacitor simulator are confirmed using PSIM software. A prototype experimental model is constructed and tested. The experimental results demonstrate that the proposed capacitor simulator acts both as an ideal large-capacity capacitor and as an SC with an inner-series resistor.
収録刊行物
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- IEEJ Journal of Industry Applications
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IEEJ Journal of Industry Applications 2 (4), 204-210, 2013
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