SEL411L Transmission Protection Relay "87L Differential Protection C/Cs and Loop Back Testing"

[@dosagroup7525]

Pls advise , Comunication ok and Diff also ok , measurement also ok, trip logic availlable but no trip

[@Thimukondafamily]

Hlo sir, in sel 411L what is name for PB1 amd PLT? Thanks in advance..

[@omarelectric1169]

السلام عليكم جزاكم الله خيرا ونسأل الله لكم التوفيق ....يابش مهندس كيف يمكن الحصول على Relay software الخاص ب ABB &)(Micom

[@LearnElectricalEngineering]

تقدر تحملهم من الرابط ده
www.myprotectionguide.com/
ولو احتجت ل software version مختلف قولي وانا ارفعهولك علي الwe transfer

[@seekretestablishment]

Why do these 411l bay 1 cards come in bad 50% of the time ? Can’t ever even see damage on the card