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  1. Simmi123

    Current Limiting Fuse recommendation for Arc Flash reduction

    Hi All, Before asking this question, I have read a number posts on ArcFlash. I think I have a solution but I guess your words might prove a little more reassuring. Case#1 : I have a 13.8KV/600V 750 KVA transformer, It is a Power Distribution centre with a S&C 15 KV SM-4, 50 E disconnect...
  2. Simmi123

    ABB Course ion Distribution Protection

    Hi.... There are a lot of people here on this forum out of US and Canada. I googled a course from ABB on Distriution protection in their Medium voltage products training division. It is happening in Pennsylvania this year. Any body who has ever done these course and how much one can learn to...
  3. Simmi123

    VFD Tripping ground fault relay

    Hi All, I a new to this motor control with VFD but I know issues related to harmonics on 480 V or 600 V on low voltage systems but to some extent it can be addressed by using inline filters. This situation is on the secondary of a 13.8kv/600 V side of a undeground transformer which is...

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