Answer Posted / muhammad zubair
electrical power factor is the ratio b/w actual power(kw)
and apperent power (kva).and also ratio b/w resistence and
impedence of a circuit.when ohmic resistance and impedence
will come equal power factor will becom unity.we can
improve pf to control the inductive reactance of a coil.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
Define phase lag and phase lead?
Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job
when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you
What is servo lock in CNC how they work and if any parameter for them in CNC machine
What is stepper motor?
How are load losses and no-load losses measured at site in a DG set?
if we give 60 hz single phase supply to the transformer used in europe , than what will happen
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
How is the percentage impedence of a transformer fixed at design stage???
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
why occ characteristics of generator is also called as magnatization characteristics ?
if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current
Define what is difference between fuse and breaker?
What is the power factor of an alternator at no load?
