Answer / ramachandran_pb

over current protection
earth fault protection

Answer / vipin joshi

1.. low lube oil pressure (2.5 to 7.5 kg/cm square)
2..high coolant water temperature (95 Celsius)
3.. low coolant level 80 %
4.. overspeed (1480 to 1580)

Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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what is the advantage of NiCd battery over Lead acid battery?

2 Answers   BARC,

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why ground clearance of EHV line is more than HV line??

2 Answers  

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Why RCD trips on connecting to one Socket but not trips one other circuit on same RCD.

1 Answers  

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What will happen if supply to three phase motor is given wiyhout inerting rotor in it?How much current it will draw?

5 Answers  

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what is the clearance time circuit breakr?

1 Answers  

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single sphase energy meter measur

7 Answers  

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what is the difference between squirrel cage & slip ring induction motor?

17 Answers   College School Exams Tests, NTPC, Ramyaa Electro Gear,

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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How to calculated capacitor rating both HT

10 Answers   Reliance,

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wat is syncronization . wat parameter will take for syncronization.

2 Answers   IIT,

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What is effect of power factor on change in voltage

13 Answers   APNPDCL, apspdcl, My Home Industries,

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