Microprocessor based starting and speed control of a DC link commutated inverter fed cage motor drive

Singh, Bhim ; Mohan, Man ; Srivastava, S. P. (1995) Microprocessor based starting and speed control of a DC link commutated inverter fed cage motor drive IETE Technical Review, 12 (2). pp. 107-117. ISSN 0256-4602

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0256460...

Related URL: http://dx.doi.org/10.1080/02564602.1995.11416514

Abstract

This paper deals with the development of a microprocessor based scheme to start and control the speed of variable frequency inverter fed polyphase squirrel cage induction motor drive. The drive scheme consists of two three-phase thryristor bridges, operating one as a rectifier and other as an inverter with a commutation circuit in the dc link and these are controlled using microprocessor. Test results on a 3 hp, 4 pole, 415 V, 3-phase squirrel cage motor at different frequencies and terminal capacitors are given and discussed in detail.

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