Protection plan for a transformer

Hi,
I have a transformer that need to be protected by the following relays: 87T - 50 -51 - 51N- 64ref- 50G ground cuve and max U 59.
i need to determine the number of CTs and the connexions with the relays.

can you please give me a protection diagram ?

thanks
  


asked 4/22/2013
Reda3
Reda
  • the neutral of the secondary side is connected to the earth with a resistance - Reda 4/22/2013

1 Answer

If you download the Siemens Power Engineering Guide (google for it), it has a section with standard protection diagrams. This will give you what you are looking for. 

answered 1/15/2015 Steven McFadyen 246
Steven McFadyen

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