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Anonymous Poster

Nameplate data of distribution Recloser

04/03/2010 10:03 AM

Hello everyone, I am proposing to our manager, feeders protection for our 13.8KV 3ph line with 20ampere fuse link. Could anyone help me expound on these nameplate data of a recloser: Fault make capacity(RMS): 16Ka Fault make capacity(peak): 40Ka Fault break capacity: 16Ka Full load operations: 30,000 Mechanical operations: 30,000 Fault break capacity operations: 200 Short time current withstand: 16Ka / 4sec Thank you and more (electric) power :)

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Commentator

Join Date: Jan 2010
Posts: 73
Good Answers: 1
#1

Re: Nameplate data of distribution Recloser

04/12/2010 1:12 AM

hi,

in my opinion these the meanings are as follows:

Fault make capacity - the capacity to switch-onto-fault

fault make capacity (peak) - maximum asymmetrical fault current value that is

expected to flow during switch -onto-fault conditions

Full load operations - no. of operations that can be performed at full load current without damaging the recloser, exceeding this value during operations will lead to the recloser being damaged. but take note that, the operations are specific at certain current, if you are performing operations less than the full load current, you could exceed this value.

mechanical operations - number of operations that can be performed without current flowing through the recloser.

short time withstand - maximum time that a fault is allowed to persist without damaging the recloser.. in this case, the 16kA of fault current is expected to be cleared in less than 4 sec..

hope that this would make sense..

nosebleed always!!

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Member

Join Date: Mar 2010
Location: Australia
Posts: 8
#2
In reply to #1

Re: Nameplate data of distribution Recloser

04/15/2010 9:34 AM

Thanks hkian, I really appreciate your help...God bless buddy.

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Bangsamoro Gagandilan.....
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Commentator

Join Date: Jan 2010
Posts: 73
Good Answers: 1
#3
In reply to #2

Re: Nameplate data of distribution Recloser

04/15/2010 9:44 AM

i'm glad to help any way i can..

God bless too!!

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