Answer Posted / masna awan
because d.c has zero frequency. so no flux produce in
primary coil and low resistance pass high current and
primary coil will burn.
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
We have given to 3phase supply to ups system & how can coming netural
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
(1)Can earth and be conected together (2) what is the diferent between earth & neutral
When we need up only in o/p 440v, so why we use directly in 11kva in input?
What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV
What kinds of decision are made about CT from it's Knee point(voltage & current)?
1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)
Can u tell me design of switch yard
What is the ideal position cooling fan inside the dc motor?
What is the maximum operating temperature for a thermoplastic insulated cable?
distribution transformer de-rating formula on over limit iron losses
details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
Motor,transformers,capacitor tubelight etc....
what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?