What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

1 Answers   Greatship,

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Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

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What the methode get earth resistance?

2 Answers  

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what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 Answers  

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how much leakage current is allowed in MC61A L&T make relay?

0 Answers   Siemens,

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how to generator maintenance (A Check, B check,Etc)

0 Answers   Cummins, HCL,

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"What is the difference between voltage and potential differnce?"

15 Answers  

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what is the difference between switch yard to residential area.and how much required it.

0 Answers   GVK,

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why we use lamination or layer by layer cor used?

4 Answers  

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Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

2 Answers  

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to calculate voltage drop of cable which current we consider that means full load current or panel size?

2 Answers  

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can u tell me the promotion from oiller to enginer

0 Answers  

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