what is phase to phase to phase to ground fault

Answer Posted / ashish

its a three phase to ground fault. ie R-Y-B with ground
fault.
it is a very rare fault. it may happen if the earth wire
from the tower falls on all three phases at a time. or any
phase conductor broke and fall on other 2 phase conductor
alogwith ground.

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the difference between electrical earthing and electrical grounding?

690


Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

1722


what is spadar bar .why I use in DC generator.

1487


What is zero of the system?

651


How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1433






What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1385


Where can i get practical knowledge of solar system?

977


what causes contact chatter when there is no demand on the air conditioning unit?

1617


WHAT IS THE MEANING OG (li = 7 In)

1537


explain the function of brush less dc motor?

1584


What are the types of transformers according to the arrangement of iron cores?

618


Connection diagram for KW meter and  Kva meter

1791


Please define ohm’s law for a.c (alternating current)?

650


WHAT IS ELECTRICAL MAINTAINTENCE ?

1566


what type of earthing do for dry fissure rock?

2042