Why we use three phase world wide why not four phase or
five phase being used?
Answer Posted / partha
3 is the minimum phase no, which can balance the load easily.
Is This Answer Correct ? | 5 Yes | 7 No |
Post New Answer View All Answers
How we calculate DC inducation moter Amp? Sir pls give me formula......
How to size Air Circuit breaker (ACB)? What is the most important factors?
sir vizag steel ka junior trainee ka paper kitne number ka ayega
What is the meaning of HT Trivector Meter ?
How to test IR testing & magnetic balance test
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit
What are safety device in vcb and acb?
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
Why an ac systems are preferred over dc systems?
Where voltage are high and current to be interrupted is low the breaker preferred is:
What is the function of RCBO? What are the different sensitivity ratings & each application?
briefly explain the main blocks found in a microprocessor based system
how brushed dc motor operating ?
What is the purpose of using busbar mounting fuse?