Why we generate power at
multiple of 11 i.e 11kv,33kv
etc.

Answer Posted / iti

we generate power at multiples of 11 because there is 10%
loss in transmission of power over transmission line.i.e.
for every 100V, 10V is lost in losses. thus we increment it
10% and then send from the sending end such that we may
receive the required at receiveng station.

Is This Answer Correct ?    23 Yes 38 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

1549


what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

2625


IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1424


r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1283


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?

1592






We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?

1655


Why the cores of large transformers build up of circular cross section?

1731


why we can stote dc? why we cant store ac?

1604


What is the difference between isolators and electrical circuit breakers?

616


how to check ac servo motor

1712


If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

686


Explain The Application Of Storage Batteries?

681


what is your aim

1434


ROC converges if poles and zeros lie inside a. Origion b. Z=1

1775


In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

1871