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  1. Malagaprot

    Line Diferential Relay l-90 doubt

    The polarity is correct. If not the angel would be 180º oposite and the diff current 180 instead of 13A. The line length is 5.2km only. There is something I did not mention, and that is that the T.i on one side are toroidal 800/5 5p30. and on the local 400/5 N>=15. Thank you
  2. Malagaprot

    Line Diferential Relay l-90 doubt

    Hello to everyone. I,m responsible for de protecctíons in The Costa del Sol Spain. I recently put in service a L-90 from general Electric relay. When the line got in charge, I could see in the mettering inside the relay that the amperes in the local and in the remote relay where around 92A. The...

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