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Question
What is LSIG ?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
L -Protection against overload with long inverse time-delay
trip
S -Selective protection against short-circuit with short
inverse or defi nite time-delay trip
I -Protection against instantaneous short-circuit with
adjustable trip current threshold
G- Protection against earth faults
 
Is This Answer Correct ?    59 Yes 0 No
Fowzan
 
Answer
# 2
LSIG protection means overload, short circuit,instantaneous
and ground fault
 
Is This Answer Correct ?    49 Yes 15 No
Sham
 
 
 
Answer
# 3
i its LONG SHORT INSTANTANEOUS GROUND..... so nxt time be
care ful dude
 
Is This Answer Correct ?    31 Yes 19 No
Sagar
 
Answer
# 4
LSIG = Long-time + Short-time + Instantaneous + Equipment Ground-fault Protection 
Is This Answer Correct ?    6 Yes 1 No
Pari
 
Answer
# 5
L-LINE TO LINE
s-short circuit
i-overload curent
g-ground fault
 
Is This Answer Correct ?    0 Yes 7 No
Sivaji
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
which is best ac or dc   3
What is the use of Exciter in generator? & what will be the current of Exciter in 500 KVA DG Set?   2
If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).   2
what is the diffference between 3 point and 4 point starter ?   3
Waht are the protection should be use in HT/ LT side of the same Xformer?   1
Why Capacitor & ignator used in MH lamp Bell 2
Why neutral wire is heating in symmetric single phase distribution of three phase power supply?   2
IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES Cable-Wireless 2
what is the formula to calculate kva genset required for a given load in kw.   3
what is reactive power?   8
A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????   4
What is the current flow in 230v ac supply ? What is the current flow in 415v Ac supply ?   6
 
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