Optimal multiple drives of induction motors using single half-DC link inverter for long cable applications

Conference proceedings article

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Publication Details

Author list: Tongkhundam G., Konghirun M.

Publisher: Hindawi

Publication year: 2008

Issue number: 538 CP

Start page: 701

End page: 706

Number of pages: 6

ISBN: 9780863419003

ISSN: 0146-9428

eISSN: 1745-4557

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-67449087989&doi=10.1049%2fcp%3a20080612&partnerID=40&md5=00ac5a5983f7aa43fb818fc081a513e5

Languages: English-Great Britain (EN-GB)

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Abstract

When multiple motors are driven by pulse width modulation (PWM) inverter through a long feeding cable, the motor terminal voltages are possibly increased double. The half-dc link inverter can be designed to effectively reduce this over-voltage by inserting the half-dc voltage level at each pulse of output voltage with the duration of the transport delay of cable. This paper presents the optimal configurations of multiple drives of induction motors using single half-dc link inverter for long cable applications. Both simulation and experimental results are presented to illustrate the configurations of multiple motors driven by single half-dc link inverter.

Keywords

Half-dc link inverter, Induction motors, Long cable application