How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

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. What should be the minimum and maximum ohmic value for earthing?

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what is working process of star delta controlling circuit ?

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

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whats is MARX CIRCUIT?

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The unit of current is the:(a) Volt(b) Coulomb(c) Joule(d) Ampere

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In single core cable, Why non-magnetic material is used??

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do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

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why transformer calling in VA rating

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what is ups?how its works?and what is there in static switch how it works?

2 Answers   Bhel,

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where we take earth in hill station

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While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

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