ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Engineering >> Electrical Engineering
 
 


 

 
 Civil Engineering interview questions  Civil Engineering Interview Questions (3078)
 Mechanical Engineering interview questions  Mechanical Engineering Interview Questions (3289)
 Electrical Engineering interview questions  Electrical Engineering Interview Questions (13331)
 Electronics Communications interview questions  Electronics Communications Interview Questions (2363)
 Chemical Engineering interview questions  Chemical Engineering Interview Questions (416)
 Aeronautical Engineering interview questions  Aeronautical Engineering Interview Questions (77)
 Bio Engineering interview questions  Bio Engineering Interview Questions (17)
 Metallurgy interview questions  Metallurgy Interview Questions (79)
 Industrial Engineering interview questions  Industrial Engineering Interview Questions (163)
 Instrumentation interview questions  Instrumentation Interview Questions (2381)
 Automobile Engineering interview questions  Automobile Engineering Interview Questions (106)
 Mechatronics Engineering interview questions  Mechatronics Engineering Interview Questions (38)
 Marine Engineering interview questions  Marine Engineering Interview Questions (43)
 Power Plant Engineering interview questions  Power Plant Engineering Interview Questions (77)
 Engineering AllOther interview questions  Engineering AllOther Interview Questions (1196)
Question
what is MC 61 relay
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
MC61 relay is an IDMT Over current+Earth fault relay.It is a
product of L&T company.
there are many models in them namely,
1)MC61C
2)MC61A
etc
 
Is This Answer Correct ?    26 Yes 3 No
Karthik
 
Answer
# 2
3 Phase O/C + E/F + Highset
0C 0
50/51 RYBN
Numerical Relay
Lowset O/C -Is
Highset O/C -Ihs
Lowset E/F -Os
Highset E/F -Ohs
O/C Is = 20-200% Step 5%
E/F Os = 5-80% Step 5%
HS O/C = (0.2 to 40) x In step of -
0.2 In or disable
HS E/F = (0.1 to 20) x On step of -
0.1 On or disable
Time Characteristics available -
NI, VI, EI, or Definite Time
TMS : 0.1 - 1.6 Step 0.05
Site selectable Trip time Char.
Highset can be disabled
Display of Currents, Trip count
Self supervision feature
0.25 VA on CT/Phase
Not applicable
0 to 60 C
< 2kg 10 VA
1 N/O Contact for self suprvn
Draw out
121 x 158 x 224
113 x 142
20-110V AC / DC or
88-264V AC / DC
1 AMP or 5 AMP
(site selectable)
4NO or 2NO + 2NC
 
Is This Answer Correct ?    11 Yes 0 No
Praveen
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
why the value of impedence is taken as %impedence in fault currrent calculation   1
what is the significance of KV & MVA rating of the transformer and how they are related.   8
WHAT IS THE DIFFERENCE BETWEEN VOLTage and potential diff   5
What Happen When output Short of transformer L&T 1
difference between slippring induction motor and Generator?   1
which one is more costly:single phase induction motor or 3 phase induction motor??give proper reasons..   1
what is different between neutral and earth?   4
A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings? TCS 8
what are the difference between protection class CT and Class PS CT   13
Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?   7
Which formation is better in transmission lines - horizontal or triangular and why ?   2
During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars? ABB 6
 
For more Electrical Engineering Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com