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Motor feeder voltage drop #181965
11/12/08 10:38 PM
11/12/08 10:38 PM
C
cgw  Offline OP
Member
Joined: Jul 2004
Posts: 133
Rochester NY
When the elevator manufacturer says to not exceed 3% drop in the voltage do they mean at motor start or at the running current?

Work Gear for Electricians and the Trades
Re: Motor feeder voltage drop [Re: cgw] #181970
11/13/08 03:43 AM
11/13/08 03:43 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,298
Estero,Fl,usa
Based on FLA of the total motor load plus 25% of the largest motor, would be my guess.


Greg Fretwell
Re: Motor feeder voltage drop [Re: gfretwell] #182038
11/16/08 03:35 PM
11/16/08 03:35 PM
J
JValdes  Offline
Member
Joined: Jun 2007
Posts: 301
South Carolina
Running. You would never meet 3% VD on start.


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