why we dont prefer ac voltage controller instead dimmerstat
[if both have same rating] for conducting experiments in
laboratories?
what is the diffrence between resistive load and capoasitive load.?
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?
Why DC exitation to AC Generator? Why not AC?
33kv substation lay out details & line to line & line to earth measurements
why in 3.5 core means 3 core for phase and .5 for neutral?
why the substation require din electrical system?
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
Why primary batteries not rechargeable and secondary batteries are rechargeble??? If any one know please send me.
the circuit having same properties in either direction is known as.......
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............
why generator is design for lagging P.F(power factor)?
what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?