Improvement of soft starter circuit for high-voltage and high-power asynchronous motors

Akbar A. Khamzaev; Buri R. Toshov; Arislanbek D. Nietbaev

doi:10.1117/12.2675694

10 April 2023 Improvement of soft starter circuit for high-voltage and high-power asynchronous motors

Akbar A. Khamzaev, Buri R. Toshov, Arislanbek D. Nietbaev

Proceedings Volume 12616, International Conference on Mathematical and Statistical Physics, Computational Science, Education, and Communication (ICMSCE 2022); 126160U (2023) https://doi.org/10.1117/12.2675694
Event: International Conference on Mathematical and Statistical Physics, Computational Science, Education, and Communication (ICMSCE 2022), 2022, Istanbul, Turkey

Abstract

The paper considers the issues of effective direct start of high-voltage asynchronous motors of high power with the help of “thyristor voltage regulator - asynchronous motor” (TVR-AM) system. To increase the voltage and power of TVR in the work it is proposed to use series-parallel connected groups of thyristors (TG) instead of one thyristor TVR. The requirements to TG control signals, providing fail-safe thyristor commutation, have been scientifically proved and experimentally verified. In the proposed work a microprocessor device is used to monitor and control the simultaneous opening and closing of thyristors in each phase. Thyristors opening and closing instructions into microprocessor memory were compiled into C++ program.

Citation Download Citation

Akbar A. Khamzaev, Buri R. Toshov, and Arislanbek D. Nietbaev "Improvement of soft starter circuit for high-voltage and high-power asynchronous motors", Proc. SPIE 12616, International Conference on Mathematical and Statistical Physics, Computational Science, Education, and Communication (ICMSCE 2022), 126160U (10 April 2023); https://doi.org/10.1117/12.2675694

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