Does frequency change with increasing voltage i.e 220v to
11kv? explain if not?
Answer Posted / jay
transformer is a static device which transfers energy by stepping up or stepping down voltage with constant frequency.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
what r PID controllers?why they r used?what is there purpose?plz Explain in detail
in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?
What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention
What is the use of oil in transformers?
What are the significant parts of dc generator?
Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?
Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??
DG Earth Value?
Define filter?
What are the special cables required for explosion proof wiring?
Why does the adjacent zone of protection overlap?
sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.