standards / manuals / guidelines for small hydro development - AHEC
standards / manuals / guidelines for small hydro development - AHEC
standards / manuals / guidelines for small hydro development - AHEC
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to earthxvii. Difference in the instant ofclosing/opening of contacts of all the 3polea) Openingb) Closingxviii Small inductive current interruptingcapacityxix.Whether breaker suitable <strong>for</strong> single poleoperation or gang operation of threepolesNot more than 3.33 ms.Not more than 5 ms.Any value upto 10Awith out switching overvoltage exceeding 2.0p.u.Gang operation of threepoles throughmechanical linkagesxx. Number of trip coils Two Nos. per breaker4-22