why ct ratio always rated 5.



why ct ratio always rated 5...

Answer / naresh

In maximum cases it is 5, because generally measuring
instruments are designed of this range and another use of
this current is to operate the protective relay.

Is This Answer Correct ?    7 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

in 3phase 50kva dg what is the full load current for single phase laod

6 Answers  


What is Automatic Voltage regulator(AVR)?

6 Answers   Cummins,


how can findout cable fault Location only useing MEGGER

3 Answers  


What is IDMT? What is the principle

3 Answers  


how can we measure 220kv or more than these voltages ...?and also how can we conform whether we r getting 220kv from generating stations throuth the h v transmission lines?

1 Answers  






What is partial discharge in power cable?

1 Answers  


i need previous entrence exam papers of nhpc.

0 Answers  


why PT Primary are the grounded?

5 Answers   L&T,


why rating in KVA and KVAR?

4 Answers  


how percentage impedence effect on the size of the power transformer?

2 Answers   Bhel,


Actually why the transformers ate rated in KVA.?

2 Answers   Torrent Pharma, XYZ,


Why auxiliary transformers are not connected in parallel in primary stations?

0 Answers   Adweb,


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)