How to do maint. Of busbar.

1 Answers   KSEB, L&T, Siemens,

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What is Ten Delta Test ?

8 Answers   Areva,

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In single core cable, Why non-magnetic material is used??

1 Answers  

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why use phase displacement in transformer.and effect of phase displacement on transformer

0 Answers   IOCL, ONGC,

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from 33kv to 440v 2mva transformer how much full load current will be at ht side and lt side and which range of ctpt will be used?

1 Answers  

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 Answers  

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How would you relate your key competencies to this position?

0 Answers  

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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how to test YNyn0 vector group in transformer?

0 Answers  

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An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

0 Answers   UOG,

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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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surge tank, hrc fuse, earthing transformer, firm power objective type

0 Answers  

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