for testing busbar (33kv) hi-pot .whether we can apply DC r
not.and what is the test volt for that .explain
Answer Posted / shaikh
For 33KV Ac Busbar testing, we can apply 5.0k (5000v)DC for
1-3 mints.
| Is This Answer Correct ? | 3 Yes | 10 No |
Post New Answer View All Answers
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
Name a govt approved university which have 100% online engineering course.
what type of questions are asked and howmwny questions belong this catagory?
Why is the starting current high in dc motor?
Do you need any help with FEWA Electrical Supervisor exams?
what is relay what is protection & contact multiplying relays where it is used function in brief
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
IN dc capacitive reactance is??
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?
what is dry and wet frequency withstand voltage? why & where it is used??
STATE WORKING OF VACCUM CIRCUIT BRAKER?
H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
Explain how you decide what size of electrical wire do you need?