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2 speed PAM wound motor


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#1 desos

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Posted 24 October 2003 - 08:37 AM

is there a standard starter. the motor has normal U1, U2 etc connections plus an additional U3 centre tapping giving a total of 9 connections. low speed is series delta and high speed is parallel delta

#2 marke

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Posted 27 October 2003 - 12:14 AM

Hello desos

Are you sure that it is delta double delta? I would have expected delta double star!

Best regards

#3 desos

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Posted 28 October 2003 - 08:18 AM

Hi Marke
Yes that is correct, the manufacturers literature gives the following information. Low speed has line connection to U1, V1 & W1 with U1 - W2, V1 - U2 & W1 - V2 linked. In high speed, line is connected to centre tappings U3, V3 & W3 with U3 - W1 - W2, V3 - U1 - U2 & W3 - V1 - V2 all linked. Never come across one of these before. Any ideas.
Regards Desos




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