Why is it that bus reactors are not accompanied by a neutral
grounding reactor whereas a line shunt reactor is? PGCIL
does so.

Answer Posted / subbarayalu

In EHV Line, if there is single pole auto reclose used, during single phase fault, the faulty line may have arc current due to resonance which will disturb the auto reclose. Also, there will be transient recovery voltage. To compensate this effect we require Neutral Reactor in the EHV line. Whereas the same Auto Reclose condition will not be in Bus Reactor breaker. Hence, neutral grounding reactor is not required in Bus Reactor

Is This Answer Correct ?    16 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

3288


The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1572


What happens if the series current double?

994


electrical ques

1696


Classify milling machines.

651






How to calculate cable rating for 3 phase supply?

1718


How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

1673


how technical is calculated in 11kv line and lt line

1460


can anyone show me how the 3 phase power is supplied to socket outlets?

1502


how to select automotive wire by mathematical equation with given current, vlotage and resistance

1898


1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

1685


what is protection class current transformer.

3428


i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1322


What is different between resistance grounding system and resistance earthing system?

678


Explain about retrofitting of machine tool.

1483