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A Novel use of Power Electronics: Prime Mover Less Alternator with Static Drive & Excitation System

Arun Kumar Datta, M. A. Ansari, N. R. Mondal, B.V. Raghavaiah

Open publisher page 5 citations

Abstract

Synchronous motor is not a self starting machine. Static Frequency Converter (SFC) along with Static Excitation System (SES) can be used as one of the starting devices for synchronous motor. The alternator discussed in this paper is a specially designed synchronous machine capable of supplying 1500 MVA power in a high power short circuit testing laboratory. This machine was earlier driven by a synchronous motor. Recently the prime mover has been removed and the alternator is made to operate in dual mode; as a motor and sometimes as an ac generator. The starting technique, motor mode operation and conversion of generator mode about the said machine are the key attractions in this paper.

About this research paper

What this paper is about

Synchronous motor is not a self starting machine. Static Frequency Converter (SFC) along with Static Excitation System (SES) can be used as one of the starting devices for synchronous motor. The alternator discussed in this paper is a specially designed synchronous machine capable of supplying 1500 MVA power in a high power short circuit testing laboratory. This machine was earlier driven by a synchronous motor. Recently the prime mover has been removed and the alternator is made to operate in dual mode; as a motor and sometimes as an ac generator. The starting technique, motor mode operation and conversion of generator mode about the said machine are the key attractions in this paper.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Synchronous motor is not a self starting machine. Static Frequency Converter (SFC) along with Static Excitation System (SES) can be used as one of the starting devices for synchronous motor. The alternator discussed in this paper is a specially designed synchronous machine capable of supplying 1500 MVA power in a high power short circuit testing laboratory. This machine was earlier driven by a synchronous motor. Recently the prime mover has been removed and the alternator is made to operate in dual mode; as a motor and sometimes as an ac generator. The starting technique, motor mode operation and conversion of generator mode about the said machine are the key attractions in this paper.

Key concepts: Prime mover, Alternator, Synchronous motor, Generator (circuit theory), Electrical engineering, Engineering, Electric generator, Permanent magnet synchronous generator

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