what is the working process of over & under voltage relay.

0 Answers   NTPC,

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what is Princepale of Transformer Taps.

1 Answers  

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Difference between online and offline UPS?

11 Answers  

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Capacity of circuit breakers all types

1 Answers   Megatron Solutions,

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what is the fullform of mccb

10 Answers   Thermax,

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Swg formulae

0 Answers   Bokaro Steel,

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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

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What information we need to prepare relay coordination chart

0 Answers  

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why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

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What is the working principle of VFD

3 Answers   HCL,

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testing of Vector Group – YNaoD II

0 Answers  

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IDMT relay are mostly used for protection against..??? 1)Earth Fault 2)Inter turn fault 3)Overloading 4)None of the above

1 Answers   Indian Railways,

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