Answer Posted / mallikarjuna chowdary
dc mototr doesnt require starter
high starting torques
carbon brushes require to control current
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
why induction motors are rated at 0.8 power factor.
what are factors to be consider to design a HT & LT motor?
can i use the six sigma method which is used in management area, in state estimation of power systems?
How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?
why US countries maintains 110v and 60HZ
if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.
where is core-type and shell-type construction suitable for transformers ?
How Can You Relate Power Engineering With Electrical Engineering?
Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.
How to calculate or formula to calculate rhe power in 2 phase system ??
what should be the acceptrd value of winding resistance for 2.5MVA transformer
why are installed water leakage detection system data centers & server rooms
what is the difference between earth leakage and earth fault?