I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.

5 Answers   IOCL,

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why master trip(86) used in eletromagnet?

1 Answers  

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Earth leakage relay basic knowledge principle

0 Answers   Radiant,

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what is frequency response?

0 Answers  

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Why 11kv to be generated in generation station

0 Answers   TNEB Tamil Nadu Electricity Board,

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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what happen to the voltage and current in all phases when an earth fault occur in a phase in three phase three wire system(delta connected)...

1 Answers  

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What is the working principle of VFD

3 Answers   HCL,

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why transformer is giving some humming noise .....?

11 Answers   Electrotherm, JSW,

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HOW DOES THE PERCENTAGE DIFFERENTIAL PROTECTION WORK IN POWER TRANSFORMER

1 Answers  

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DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

0 Answers  

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for a 132/33kv transformer secondary is star and is connected to NER. and from secondary a cable is running to 33kv swbd. since the cable is single core do i have to run neutral cable also to 33kv swbd.???

5 Answers   PowerTech,

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