what's burden resistor, why it's used?



what's burden resistor, why it's used?..

Answer / laszlo juhasz

Burden resistors are connected to the secondary side of a
CT(Current Transformer)as a "load" and used for setting the
desired Voltage at the CT's secondary side.
Since CT's are made to transfer current in the amount of the
ratio between the Primary and Secondary turns (Np/Ns)
A 1:10 ratio CT at the secondary side will produce a ~10
times lower current at a ~10 times higher Voltage.
Adding a parallel resistor(burden) across the secondary side
will act as a load and results Voltage drop.

Is This Answer Correct ?    66 Yes 11 No

Post New Answer

More Electrical Engineering Interview Questions

Why Batteries are rated as AH i.e AmpereHour,and its formula to converting AmpHour to Amp

4 Answers   Suzlon,


working of a diesel generator.

34 Answers   ABC, AC, Cognizant, CTS, Directorate of Lighthouses and Lightships, KSL, Quippo, Shree Renuka Sugars, SRF, Svam Power, Tech Mahindra,


A motor works on 30 killo watts.how much ampers will be required if it works on 440volts?

5 Answers  


is it possible to use a tranformer to regulate an unstable system voltage?

3 Answers  


which is more dangerous AC\DC supply

3 Answers  






STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,


What happen if ac supply is fed to rotor of the alternator?

1 Answers  


What are m circles?

0 Answers  


what is the breaking capacity and making capacity of circuit breaker and how

0 Answers  


Why the starting current in Induction Motor is very high as compared to normal rated current ????

6 Answers   Essar,


What is excitation in case of dc motor?

0 Answers  


I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.

3 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)