Answer / harikesh yadav

#1 ELCB
#2 UB RELAY
#3 OVER VOLTAGE RELAY
#4 REVERSE POWER
#5 OVER CURRENT RELAY
#6 SHUNT RELAY ETC.

Answer / kedar bhavsar

#1 ELCB
#2 UB RELAY
#3 OVER VOLTAGE PROTECTION
#4 UNDER VOLTAGE PROTECTION
#5 PHASE SEQUENCE
#6 EARTH FAULT PROTECTION
#7 REVERSE POWER PROTECTION
#8 OVER CURRENT RELAY
#9 SHUNT RELAY ETC.

what is %impedanece

3 Answers   KSEB, Steel Plant,

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Define over current & earth fault ?how its functioning ?

1 Answers  

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Even motor protection, why motor burn out ?

1 Answers   Indorama,

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What is I to C?

0 Answers   PowerTech,

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while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

0 Answers   Enercon,

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How do you maintain the batteries for generators, what is the daily maintenance of a generator?

2 Answers   Jindal,

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starting torque is increased and current is decreased by using external resistance in a slip ring induction motor. How??

3 Answers  

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How we select the vector group of 3phase power transformer?

0 Answers   wbsedcl,

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what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

0 Answers  

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What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?

2 Answers  

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if the load is reactive then what is the use of calculating the real power and what is the use of reactive power if my question is wrong please excuse me..

1 Answers  

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what will be the effect if we increase the excitation of a alternator??

3 Answers  

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