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Short distance transmission of power is done at higher voltage or higher current?

High voltage is used to transfer power over long distances ONLY because the gauge of the wire can be smaller. Power transfer is always most efficient at the operating voltage if the size of wire is not an issue.


A data transmission which involves only one transmitter and one receiver is known as?

Point-to-point transmission


What is the role of power transformers in power systems?

Power transformers are used in electricity transmission and primary-distribution systems. They are used to increase (step up) the voltage supplied by generators at power stations to the extremely-high voltages necessary for electricity transmission and, at bulk power centres, to incrementally reduce (step down) those voltages to lower levels.Transmission is only possible at high voltages because, for a given load, the higher the voltage the lower the resulting load current. Reduction in load current results in manageable voltage drops along the line, conductors of practical size/weight, and minimises the line losses.


Why do transmission lines use alternating current?

Transmission lines use alternating current in order to support stepping-up and stepping-down of the voltage with transformers. Voltage is stepped-up at the power station, sent over the transmission lines, and stepped-down at the receiver. (This is a simplified explanation.) By stepping-up, you reduce the current carrying requirement of the lines, and they can thus be smaller.You could not do this with direct current as transformers only work for alternating current.


Do trains use ac or dc elecricity in the UK?

train uses acpower as its source.as in case of dc there would be only steady state conditions and transmission distance would be low.but in ac,it is sinusoidal waveform and transmission of power source can be done at a larger rate with high effeciency and minimal lose.so ac source is used in electric trains.

Related Questions

Can you put power steering into a 1995 Ford Aspire?

the aspire only featured power steering in the automatic transmission.


Bluetooth is designed for very low power use, and the transmission range will only be 10m, about 30ft. Not straight line.?

Bluetooth is designed for very low power use, and the transmission range will only be 10m, about 30ft. Not straight line.


Can you transmission fluid for power steering?

Do NOT use transmission fluid in your power steering. It is designed for automatic transmissions, and a few rare manual transmissions only. (1965 Plymouth "Slant Six" manual transmission used automatic transmission fluid). In most Chrysler products made after about 2002, ATF is what they use for power steering fluid.


Is it okay to add oil treatment to power steering pumps?

Only if the treatment is specific to power steering systems. Engine oil or transmission fluid treatments are not compatible with power steering systems. One caveat however, some power steering systems (especially in older vehicles) use transmission fluid and it would be safe to use a little bit of transmission fluid treatment in them. There may not be much benefit to doing so though, since transmission treatments are designed to address transmission issues, not power steering issues.


What color is the power steering fluids?

Power steering fluid is basically clear. Some cars use transmission fluid in the power steering which is dark red. You can use power steering fluid in cars that use transmission fluid but not the reverse. The cap of the reservoir should say power steering fluid only.


Can two power systems having different voltages be synchronised?

yes. it is happen only for HVDC transmission .. but we can't set different voltage at A.C transmission system...


Power steering fluid Ford Escort?

If it doesn't specifically say power steering fluid only you can use Mercon automatic transmission fluid.


Will a 2000 2.4 L 4cyl Malibu transmission fit a 2000 3.1 L V6 Malibu?

DEFINATLY NOT! a transmission for a 2.4 was designed for a 2.4 ONLY! not only will it not fit, it will not be able to handle the power the 3.1 throws


How and when should you use the power mode of automatic transmission?

I'm guessing the power mode is the same thing as Overdrive. Basically you only want to use power mode if you are hauling something with your vehicle.


What are negative role of interest groups?

focusing only on group member's goals resorting to unethical tactics


If the tcm fails will electrical power fail on 2004 chrysler sebring?

The TCM should only prevent the transmission from shifting properly.


Why only 11kv is used in power systems transmission line?

It isn't. In the UK, transmission and distribution voltages are 400 kV, 275 kV, 132 kV, 66 kV, 33kV, and 11 kV.