Why we use less dia. fuse and conductors at H.T. side, although we use higher dia. cables on L.t. side?

Answer Posted / shri..

In HT line Voltage is high & current is low

In LT Line Voltage is Low & current is high.

If we take a example of Stape down Transformer

Is This Answer Correct ?    11 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

1582


why we have and use 3 phase not 2 or 4 or other in power system?

1693


In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

681


Difference between megger test equipment and contact resistance meter test instruments?

913


What is a copper loss or i2r loss pc?

717






i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

1628


How to calculate flow of water delivered by pump when pressure & size of pipe line is given

1788


How to checked frequency drive output voltages?

696


what is the difference betweem star connected motor & delta connected motor?

1894


In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

1582


sir i want previous entrance exam papers for written test

1700


How to decide cable tray size?

727


What are the basic elements used for modeling mechanical translational system?

619


Why armature rheostat is kept in maximum position?

642


if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1396