Answer / vishwatheja1989

xlpe cable is cross linked polythene cable. XLPE has excellent
dielectric properties, making it useful for high voltage
cables - up to 380 kV AC-voltage, and several hundred kV DC

what is sloop? what is meen LLB in and difine?

0 Answers  

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why back up fuse used in vacuum magnetic contactor?

1 Answers   KNPC,

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why the voltage level in transmission line are in multiple of 11kV, 22kV, 33 kV etc..( i.e., 220 V )?

4 Answers  

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sir i want previous entrance exam papers for written test

0 Answers   Vizag Steel,

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can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

0 Answers   GKB,

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explain harmonics in simple words..........

3 Answers   HMT,

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Sir we have 12.5 MVA(110/11KV) transformer (Y-Y) connected,which tripped showing earth fault,when we charged transformer it stood OK ,but on connecting 11 KV feeders it tripped showing earth fault.our service engineers found that the B phase and R phase phase connecting to neutral broken from HV OLTC(on load tap changer),and R phase and Neutral is ok.Dissolved gas analysis shows that accetline content is high,tan delta value is 12.My dout is it is an internal fault of transformer,why REF or diffrential relay is not acted?

1 Answers  

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1.what to do if ferquency of any power system continue to decrease ?

5 Answers   NTPC,

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Why collecting electrode of ESP to be earthed

0 Answers   NBVL,

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why ground cannot be used as neutral as ground also provides close path for current flowing ?

3 Answers  

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What is the role of ESP(Electro Static Precipitator)in steam power plants? Where it is located? How it works?

1 Answers  

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What do you mean by boost voltage in case of battery charger?

3 Answers   MahaGenco,

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