Star Delta Connection

Abraj Vettuparampil · May 26, 2004

Guys! I am not a Sparky, but now have to wiring for a STAR/DELTA connection in a panel with PLC, programmed by me. My questions are (1)How to wire a star delta connection. (2)Can I use the PLC to delay for Delta switchover or does the safety regulations insist for a timer fixed on the contactor? Appreciate quick response. Abraj.

Huayna Capac · May 26, 2004

1) Visit this site
http://www.seamanship.co.uk/engineering/EKsamplepages/Motor starters.htm

2) Of course you should use the PLC for switchover
the timing depends on how big is you motor. Remember you use a Y D to reduce Amps.

Anonymous · May 27, 2004

Sparky,
To paraphrase a popuar theme... "wihout mechanically interlocking the
star and delta contactors, then you have a law suit waiting to happen"!

Regards,
Phil Corso, PE {Boca Raton, FL, USA}
[[email protected]] ([email protected]) {[email protected]}

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Star Delta Connection

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Star Delta Connection

Abraj Vettuparampil

Huayna Capac

Anonymous

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