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The Vienna Rectifier is a pulse-width modulation rectifier, invented in 1993 by Johann W. Kolar.〔J. W. Kolar, „Dreiphasen-Dreipunkt-Pulsgleichrichter“, filed Dec. 23, 1993, File No.: A2612/93, European Patent Appl.: EP 94 120 245.9-1242 entitled “Vorrichtung und Verfahren zur Umformung von Drehstrom in Gleichstrom”.〕 It provides: * Three-phase three-level three-switch PWM rectifier with controlled output voltage.〔J. W. Kolar, F. C. Zach, “A Novel Three-Phase Utility Interface Minimizing Line Current Harmonics of High-Power Telecommunications Rectifier Modules”, Record of the 16th IEEE International Telecommunications Energy Conference, Vancouver, Canada, Oct. 30 - Nov. 3, pp. 367-374 (1994).〕 * Three-wire input, no connection to neutral. * Ohmic mains behaviour * Boost system (continuous input current). * Unidirectional power flow.〔J. W. Kolar, H. Ertl, F. C. Zach, “Design and Experimental Investigation of a Three-Phase High Power Density High Efficiency Unity Power Factor PWM (Vienna) Rectifier Employing a Novel Integrated Power Semiconductor Module”, Proceedings of the 11th IEEE Applied Power Electronics Conference, San Jose (CA), USA, March 3–7, Vol.2, pp.514-523 (1998).〕 * High power density. * Low conducted common-mode EMI emissions. * Simple control to stabilize the neutral point potential.〔J. W. Kolar, U. Drofenik, F. C. Zach, “Space Vector Based Analysis of the Variation and Control of the Neutral Point Potential of Hysteresis Current Controlled Three-Phase/Switch/Level PWM Rectifier Systems”, Proceedings of the International Conference on Power Electronics and Drive Systems, Singapore, Feb.21-24, Vol.1, pp.22-33 (1995).〕 * Low complexity, low realization effort 〔J. W. Kolar, H. Ertl, F. C. Zach, “Design and Experimental Investigation of a Three-Phase High Power Density High Efficiency Unity Power Factor PWM (Vienna) Rectifier Employing a Novel Integrated Power Semiconductor Module”, Proceedings of the 11th IEEE Applied Power Electronics Conference, San Jose (CA), USA, March 3–7, Vol.2, pp.514-523 (1998).〕 * Low switching losses.〔 *Report “How to Design a 10kW Three-Phase AC/DC Interface Step by Step” at (www.gecko-research.com )〕 * Reliable behaviour (guaranteeing ohmic mains behaviour) under heavily unbalanced mains voltages and in case of mains failure.〔J. W. Kolar, U. Drofenik, F. C. Zach, “Current Handling Capability of the Neutral Point of a Three-Phase/Switch/Level Boost-Type PWM (Vienna) Rectifier”, Proceedings of the 27th IEEE Power Electronics Specialists Conference, Baveno, Italy, June 24–27, Vol.II, pp.1329-1336 (1996).〕 ==Topology== The Vienna Rectifier is a unidirectional three-phase three-switch three-level Pulse-width modulation (PWM) rectifier. It can be seen as a three-phase diode bridge with an integrated boost converter. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vienna rectifier」の詳細全文を読む スポンサード リンク
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