why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

0 Answers   TCS,

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how to find the multiplication factor for digital energy meter and analog energy meter

0 Answers  

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in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

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Why substation battery room is coulered black?

1 Answers  

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relation between power station capacity and voltage level?

0 Answers  

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I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

1 Answers  

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sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

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what is the aircraft voltage and frequency standard ?

1 Answers   Jet Airways,

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We have 2 11kv/433v transformers for 2saperate acb for mv panels and 1 bus coupler acb. Suppose I’ll close bus coupler what will happen or it will be share the load. Please suggestion and any modification required.

1 Answers  

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Classify milling machines.

0 Answers   Ashok Leyland,

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Why is tan-delta test and capacitor measurement done on alternator?

0 Answers   TD Power Systems,

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WHY WE USE SIEMENS plC

3 Answers  

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