Answer / ashutosh

it is used in the distance protection

Answer / siva

Impedance relay or mho relay are used in HT transmission to
reduce voltage drop. it mean it can be used as distance relay.

Answer / mukhesh

imp relay used in medium tr lines hv and ehv also used
asa distance realy

why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

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What is fuction of NGT/NGR using in Generator.

9 Answers  

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Rccb trip or not with out neutral connect in three phase welding machine

1 Answers  

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AC current is flowing in a wire in your home how can you measure it(name of the instrument)

24 Answers   NTPC, TCS,

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xpression 'document.FrmQF.myemail' [

0 Answers   ABB,

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How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

0 Answers   El Seif,

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How conventional fire alarm system works?

1 Answers  

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How can we calculate earth mat conductor size ..? & give the formula to determine earth conductor size?

3 Answers  

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what is difference between 2 pole structure and 4 pole structure in transformer yard

0 Answers   Hospira,

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Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

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

3 Answers   HMT,

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what is tan delta measurement?..... why that terminal is earthed.....?

4 Answers   Power Grid,

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