Discuss please explain relay settings in the Electrical Forum area at ElectriciansForums.net

E

ericsson

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We are using 10 MVA 110/11 kv Transformer for 6 MW power plant. The transformer relay setting has given (7sj621 siprotech siemens multifunctional relay)

CT ratio 75 / 1 A

Relay code settings

51 Ip> 0.8
Ip>> 13

What is the original tripping value and how did we calculate it.......
please Explain
 
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M

maddfridge

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  • #2
E

ericsson

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  • #3
Thank u so much Mr.Maddfridge. I will check it out....
 
E

ericsson

  • Thread Starter Thread Starter
  • #4
your link does not have the solution of above problem....
post other links if any.....
 

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