what is the power ratio between power in star and delta circuit?
Answer Posted / lakhan singh
Power in Star and Delta circuit always be same. Becoz ,P=Vp*Ip*Pf while(in star Ip=Il,& Vl=sqrt3*Vp and in delta Vp=Vl,& Il=sqrt 3* Ip) so power remain constant
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
What will be result if we connect LT votage to the terminal of HT motor?
how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)
What are unstable systems?
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
What will happen if a dc source is given to a tubelight. Will it work or wont it work....
where is core-type and shell-type construction suitable for transformers ?
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
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?
What do you mean by phasors?
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
why use phase displacement in transformer.and effect of phase displacement on transformer
Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).
What is nyquist contour?
Why is the frequency not changed during transformation of electrical energy in a transformer?
What happens when two positively charged material is placed together?