Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

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how we can explain arc heatng?

0 Answers  

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For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

4 Answers   Piramal Glass Limited,

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where can the transformer having vector group Yny0 be used??

0 Answers   GK Power, NEA, Petrotech,

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what is vfd?

2 Answers  

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Electronic circuit

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what is differnce btwen lll and lllg faults

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what is battery impedance testing and how we perform this test with four wires.

1 Answers   Etimaad, MRF,

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why US countries maintains 110v and 60HZ

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

0 Answers  

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if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

0 Answers   ME,

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