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This article provides an example of using distributed (decentralized) process control systems designed by All Russian Research and Design Institute of Relay Manufacture with a Pilot Factory. One of these systems is intended for the soft start of HV electric motors, while the other is intended for the automatic transfer switch. Compared to conventional methods, the use of the new approach has ensured better reliabil ity and lower project costs.

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The main developments of OAO All Russian Research and Design Institute of Relay Manufacture with a Pilot Factory in the field of high voltage electric drives and semiconductor converters designed and fabricated at the institute are considered. The key products are different types of thyristor devices for a soft startup based on thyristor frequency converters and thyristor devices for the automated actuation of a reserve in the power industry.Keywords: thyristor device for soft startup, high voltage motor, high voltage frequency converter, variable frequency electric drive.

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