11KV/415V Overhead Line Specification(REC)
2011-6-8u2002·u200211KV/415V over Head Line's Specification and Installation (REC): 11KV LIGHTNING ARRESTER (IS: 3070 (Pt-II)). Voltage Rating for LA: The rated voltage of lightning arresters shall be 9 KV (rms). This will be applicable to the effectively earthed 11 KV systems co-efficient of earth not exceeding 80 percent as per IS: 4004 with all the transformer…
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