Answer / ramanrajivgandhi

Buchhol's relays,Earth fault relay,Explosion vent relays,Alarm circuit relays,tripping circuit relays

Answer / vikas kumar

that is 2 types of power transfomer protection 1. main protection
2. back up protection
main protection eg: diffrenceal relay protection.
back up protection eg: IDMT over current
& earth fult, dc logic protectio (buchholz, PRV, MOAG,SPR) etc.

Answer / karthi

Differential protection
REF protection
Stand-by Earthfault protection
Backup Overcurrent protection
overflux protection

Answer / magan

above what amp current rating do bus ducts use in LT. ??

why auto transformer connected in star?

1 Answers  

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what is the difference between brush & brushless dc motor explain its operation ?

1 Answers  

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What is the basic difference between AVR and stabilizer?

2 Answers   Gujarat Alkalies and Chemicals GACL,

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what is the difference between ELCB and RCCB

5 Answers   Concorde, Hyundai,

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Abb 11kv how it is closing automatically when the cb is racking in and rack out when it reaching test position

1 Answers  

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What is Transformer?

23 Answers   HSL,

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What is sunrise meeting ?

1 Answers   KSEB,

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why substation rating interms of 11 multiples???like 11kv/33kv iis there any special reason???

5 Answers  

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what is motor

6 Answers   HBL Power Systems,

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what is balanced beam relay

1 Answers  

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how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?

1 Answers   BARC,

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 Answers  

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