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  • Users: rammie47
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  1. rammie47

    230kV Surge Arresters Clearances

    Hi, The general clearances required for 230kV system are: 81” phase to phase and 70” phase to ground Do these clearances apply for surge arresters as well? For example, we have a transformer vendor who is using these reference distances to mount the arresters away from the bushings on the...
  2. rammie47

    Fuse Rating for Short Circuit

    Hi, I need to hook up 138kV, 1ph ssvt (inductive type) to a bus via fuse link disconnect. The maximum SLG fault current at that bus can be 20kA (symmetrical) from my study. But, the maximum fuse rating available in the market is only 12.5kA (symmetrical). Can I still use this fuse to protect...

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