Answer / rajesh kumar

For induction motars Reduce some number of turn with there
armeture winding and induced flux is poor. thus still motar
runing in to low speed at lower electricity.

Answer / praadeep_dd@yahoo.com

If we want low electricity to lower speed of fan we put a
regulator.(Insert resistance in series.)

Answer / amrinder

Please clarify.......... if we insert resistance in series
then it will consume electricity . Thus stiil electricity
consumption is same.

Answer / chandra

We can reduce the supply voltage using thyristors.So, the
speed and power consumptions both are reduced.

Answer / smart

Yah

How the surge voltage can be arrested in electronic devices

1 Answers  

Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

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Why not implimenting power factor in Diesel generator

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Why transmission line carryiny high voltage and low current?

3 Answers   apspdcl, Universal Power Controls,

is 60hz freq better than 50 hz?&why?

1 Answers  

Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

how to use single phase supply for a three phase equipement.

12 Answers  

which technique servo motor tested o.k or faulty ?

1 Answers   ABB,

how to calculate the megger values for motors and cables?

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Why we use duplex coil and hook switch in telephone system?

0 Answers  

how to test vector groups in transformer differential relay.

1 Answers  

sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

0 Answers