Why effective AC resistance is more than DC resistance of a
transmission line?
Answer Posted / pawan pal
Ac resistance is high than dc.
Due to corona effect and skin effect ,
Frequency, impedance.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Please explain me abt PQ diagaram in the power sector.
how can i reduce sparking without stepdowning the voltage
How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?
Inverter. converter. Ups.MCB.solar.alternators. motors.
Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com
it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
Basic motor transformer generator
why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?
why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
What is the difference between a Root Locus plot and a Bode plot?
What is the ratio of Booster transformer?
How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
what is the differences between microprocessor and general purpose computer