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PAM GTO inverter with quasi resonant dc link

PAM-Wechselrichter mit quasiresonantem Zwischenkreis und GTO-Thyristoren

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Contents

This paper presents a technique for realizing PAM capability in the case of a resonant dc link three phase inverter equipped with GTO thyristors. A new quasi resonant dc link circuit together with a sinusoidal PAM for an inverter fed drive are proposed in order to reduce the power losses in the machine and in the inverter. An improved dynamic behavior is also discussed in the paper. The harmonic analysis of the output voltage is presented for different operation modes.

Übersicht

In der Arbeit wird ein auf einen Wechselrichter mit GTO-Thyristoren angewandtes PAM-Verfahren vorgestellt. Der Wechselrichter wird von einem Gleichstromzwischenkreis mit Resonanzkreis gespeist. Es wird ein quasiresonanter Kreis zur Verringerung der Verluste im Wechselrichter und in der Asynchronmaschine vorgeschlagen. Durch die Steuerung des Wechselrichters erzielt man ein besseres dynamisches Verhalten des Antriebssystems. Eine Analyse der Harmonischen der Ausgangsspannung wird für verschiedene Betriebsweisen durchgeführt.

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Authors and Affiliations

  1. Faculty of Electronics and Telecommunication, Polytechnic Institute of Iassy, Bulevardul Copou No. 11, RO-6600, Iassy, Romania

    D. Alexa & D. Neacşu

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  1. D. Alexa
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  2. D. Neacşu
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Alexa, D., Neacşu, D. PAM GTO inverter with quasi resonant dc link. Archiv f. Elektrotechnik 77, 351–359 (1994). https://doi.org/10.1007/BF01574681

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  • DOI: https://doi.org/10.1007/BF01574681

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