I have 800 Amps MG Fix type breaker It is in on line & it
has been given only UV (under voltage)coil connection for
tripping purpose.now it is not working properly means its
getting tripp so how can i replace it or how can i rectify
the problem without destrubing my load??????????

Answers were Sorted based on User's Feedback



I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltag..

Answer / sandeep khaire

Short the UV relay contacts used in wiring. Then replace
the UV relay & its contacts.

Is This Answer Correct ?    3 Yes 1 No

I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltag..

Answer / karthik

Check with the wiring diagram of the panel and connect the
two wires going to the relay trip coil to a constant
supply.then remove the relay.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is the height of DA, DAL, DB, DC & DDE tower?

0 Answers  


Any website for objective type questions of electrical engineering ?

4 Answers  


How instantanious short circuit current is calculated? its formula?

1 Answers  


The synchronous machine excitation system explain

0 Answers  


Where earth point should provided in Ships or Submirines.

2 Answers   SSC,






what is the relation between the leading pf and supply voltage?

1 Answers  


how to find the multiplication factor for digital energy meter and analog energy meter

0 Answers  


why humming sound occured in h HT transmission line

3 Answers  


what is purpose of using reactor in substations

4 Answers   NCC,


How to calculate the size of the conductor for particular load

9 Answers   Eskom, HCL,


Pls explan the OLR setting in VCB at HT yard

0 Answers   Juniper Networks,


What are the protections to be used for Generator?

5 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)