for testing busbar (33kv) hi-pot .whether we can apply DC r
not.and what is the test volt for that .explain
Answer Posted / vijay
Yes, we can.
For test voltage we have to apply 80% of factory test
voltage i.e. 80% of 70 kv ac (factory test voltage) =56 kv
for 1 min.
| Is This Answer Correct ? | 11 Yes | 6 No |
Post New Answer View All Answers
new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
What is resolver and glass scale in CNC how they work?
What is the role of Dedicated earthing in UPS System?
what is the difference between pvc & fiber glass cables
I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?
take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????
why they were using TRIAC instead relay in some controllers and what is the advantages.
could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com
What is speed mode?
What is meant by sag?
if a.c supply is given to the motor,, what happen?
What is corkscrew rule?
What is hipot test procedure?
How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com