Residual voltage & residual current used in which
protection?

Answer Posted / satish panchal

Residual voltage & residual current used in Directional
Over current and directional earth fault protection. also
used in dist protection.

Is This Answer Correct ?    10 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is gross error?

681


tell me about eletrical contractor

1514


two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

996


whether fibre optic cable in high voltage earth conductor is used for protection circuits

1166


What will be the diameter of pipe between conservation tank and transformer

1448






sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

1056


What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1447


why we use sinosidal voltage / current instead of others in system?

1651


What are the different losses In a de mac1une'! t.xplam

2254


HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

1446


HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????

1680


how can i reduce sparking without stepdowning the voltage

2074


I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

1832


What is meant by harmonic distortion?

658


Why is the air gap between the pole pieces and the armature kept very small?

884