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Anonymous Poster

static star-delta starter

08/01/2008 5:37 AM

design of static star-delta starter for starting induction motor

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Guru
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#1

Re: static star-delta starter

08/01/2008 6:48 AM

Is there a MCC maintenance manual, containing an "as built" drawing of one, nearby?

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#3
In reply to #1

Re: Oh dear, here we go again!

08/01/2008 8:33 AM

Hello Slackie,

Did you solve that 'star delta motor running in reverse' problem of yours?

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Guru
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#4
In reply to #3

Re: Oh dear, here we go again!

08/01/2008 9:37 AM

There was enough information from CR4 respondents for a correct answer, thanks.

Actually, one can do it by looking at the colours of the wires at the motor terminals. There should be (in a BS7671 installation), two browns, two blacks and two greys, arranged as two cable-sets of three, one of each colour in each cable. All that is needed is to swap the black for the brown on both cables.

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#2

Re: static star-delta starter

08/01/2008 8:32 AM

"Static," as in no moving electro-mechanical parts, such as one might find in a semiconductor version of a relay? 'Splain yourself, please.

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