k.prakashchandra


{ City } karkala
< Country > india
* Profession * rtd e.e.
User No # 54717
Total Questions Posted # 0
Total Answers Posted # 521

Total Answers Posted for My Questions # 0
Total Views for My Questions # 0

Users Marked my Answers as Correct # 1314
Users Marked my Answers as Wrong # 525
Answers / { k.prakashchandra }

Question { MSETCL Maharashtra State Electricity Transmission Co Ltd, 9157 }

how many number of terminals are available in CURRENT
TRANSFORMER


Answer

No of cores x ( No of ratios +1 )

Is This Answer Correct ?    0 Yes 0 No

Question { MSETCL Maharashtra State Electricity Transmission Co Ltd, 9157 }

how many number of terminals are available in CURRENT
TRANSFORMER


Answer

Each CT may have No. of cores X (1+ No. of ratios ) terminals

Is This Answer Correct ?    0 Yes 0 No


Question { Wipro, 8438 }

what is the difference between earthing and grounding?


Answer

Earthing is connecting to earth only and grounding is
connecting to earth or the main large body (as in automobiles)

Is This Answer Correct ?    1 Yes 10 No

Question { Wipro, 8438 }

what is the difference between earthing and grounding?


Answer

Earthing is connecting to earth only and grounding is
connecting to earth or the main large body (as in automobiles)

Is This Answer Correct ?    1 Yes 8 No

Question { 4336 }

there is a power transformer 66/11kV in delta-delta
connection has 5 feeder coming out from the secondary side.
One of the feeder in it normally loaded (loaded than other
feeder)and this feeder usually trips with double OCR causing
the bank transformer to trip. Now if the load of this feeder
is put on other transformer then that no problems occurs on
that transformer or the load. However normally all the
test(IR, PI, short ckt, open ckt,grounding test and other )
has been conducted for this but evertything transformer.....
I am not geting what is the actual problem...


Answer

More data is required for analysis.If the transformers are
of same capacity and relays are identical ,interchange the
relays of transformer banks and watch.

Is This Answer Correct ?    0 Yes 0 No

Question { National Drilling Company, 4156 }

which type of motor using in drilling machine ? & who to
produce very high torque in drilling machine?


Answer

Series/ universal motor

Is This Answer Correct ?    7 Yes 0 No

Question { Wipro, 3846 }

what is the speed of the darkness?


Answer

Darkness is due to absence of light . Hence there is no speed

Is This Answer Correct ?    0 Yes 0 No

Question { 2982 }

What can make the the overloads operate when a star delta
three phase motor starts?


Answer

Time delay

Is This Answer Correct ?    2 Yes 0 No

Question { Adani, 5293 }

Fot testing new star-delta 132 kw motor in electrical
worshop.we should check in star or delta connection as we
do not have higher capacity cable in worshop?


Answer

As you are checking for connection only ,smaller capacity
cable will serve the purpose.

Is This Answer Correct ?    1 Yes 0 No

Question { Adani, 5293 }

Fot testing new star-delta 132 kw motor in electrical
worshop.we should check in star or delta connection as we
do not have higher capacity cable in worshop?


Answer

To check whether connected in star or delta ,just open the
terminal box of the motor .

Is This Answer Correct ?    0 Yes 1 No

Question { 2891 }

what is the difference b/w pvc cu conductor and cu breaded wire..?


Answer

Braided means thin wires woven to have conductor of round
or ribbon shapes for flexibility and is not generally
insulated .

Is This Answer Correct ?    0 Yes 0 No

Question { 4955 }

how the diesel generator maintain the rpm when the generator
loaded varies from 10% to 70% immediately?


Answer

speed governor

Is This Answer Correct ?    1 Yes 0 No

Question { 2968 }

The MCB circuit breaker have a voltage rating of 440VAC it's
possible to supply a voltage of 480Vac


Answer

Yes ,you can go up to 650V ,as most of them are designed for
1.1 KV

Is This Answer Correct ?    0 Yes 2 No

Question { 2877 }

what is the function of AVR in generator? how the generator
maintain the frequency while varies the load?


Answer

AVR maintains the set voltage constant.The frequency is
maintained by speed governor .

Is This Answer Correct ?    1 Yes 0 No

Question { TATA, 5416 }

why the capacity of power plant is given in MW though the
generators are rated in MVA?


Answer

The capacity is decided by prime mover

Is This Answer Correct ?    2 Yes 5 No

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