Answer Posted / surendra
1. due to insulation cost.
2. for high voltage generation flux shuld be more for const
freq. thtwhy size of m/c become large which is not
economical.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What safety precaution are to be taken for avoiding electric hazards ?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
State and define norton’s theorem?
in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?
what is the differencce inn series and cascade connection??
In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?
Difference between control junction box (cjb) and power junction box(pjb)?
How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator
As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.
What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?
For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is
why the protection turbo generators is most complex?
What is resonant frequency?
How isolater function when installed inelectrical 440V wiring
why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?