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Anonymous Poster

RCD and ELR for Motor Protection

02/15/2010 7:52 AM

Hi, are RCD & ELR can be use for motor protection?
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Anonymous Poster
#1

Re: RCD & ELR for motor protection..

02/15/2010 9:17 AM

First check out UXT and IVN... good stuff.
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Anonymous Poster
#2
In reply to #1

Re: RCD & ELR for motor protection..

02/15/2010 11:46 AM

WTF??
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Anonymous Poster
#3

Re: RCD and ELR for Motor Protection

02/15/2010 11:30 PM

Dear Friend,

The ELR can only be operated with CBCT which can sense the leakages in power cables.We have to use EFR for motor protection.

CVS Murthy

09866550981
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SHAMITHGAMBHIR1
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India - Member - design engineer Engineering Fields - Electrical Engineering - New Member United Arab Emirates - Member - New Member

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Location: dubai,mangalore,bangalore.....
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#5
In reply to #3

Re: RCD and ELR for Motor Protection

02/16/2010 3:57 AM

WHAT IS A EFR?...

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#4

Re: RCD and ELR for Motor Protection

02/16/2010 3:10 AM

No. Use overcurrent sensing devices instead:

  • Fuses
  • Breakers
  • Overload trips.
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