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Question
What could be the problem if two power transformers trip on 
stand by earth fault at same time
 Question Submitted By :: Mahao
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What could be the problem if two power transformers trip on stand by earth fault at same time
Answer
# 1
If the point ct neutral earthing is in the path of earth
fault current, there is likelihood of tripping of standby
transformers on earth fault.
 
Is This Answer Correct ?    1 Yes 0 No
K.prakashchandra
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we donít see any starters in our coolers, motors.WHY DONíT WE NEED STARTERS FOR THESE APPLIANCES?   1
what is the principle of tubelight ??? what is the function of starter and choke ???   1
what is transformer   5
how does PLCC work?...   1
we have two 11/.433 kv. distribution Transformer rating as 1000 kva & 500 kva , i wants to run parallel both transformer. both transformer impendence voltage is 5.24%, How can we run both t/f, & how sharing the load   3
how capacitor can split the phase.   1
how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?   1
HOW DG WORKS ?   3
enlist types of dc generator Philips 8
WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?   2
Why in KVA diesel engine? Why not KW   2
What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3   1
 
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