Answer Posted / shristhi
power factor is the cosine of angle between voltage and
current... in resistive load power factor is 1
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
for what purpose the star point is done in ct
If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?
Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?
Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.
Z transform is use when system is not a) converges b) diverges
Describe Non I.S. Earth System and why is it used?
I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.
How would your past experience translate into success in this job?
What facility we get after CT secondary earthing and how?
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
what is excitation/
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?