america 60hz electric supply is used; but india it is 50hz;
why? and if we use 60 hz supply what changeg has to be done
or all the equipment has to be thrown which has rating of
50hz frequincy
Answer Posted / venkatgopal
because in america the machinces are constructed with 60 hz
frequency and another reason is america is ecnomically
better than the india so when freqency is high the power
transmisson is at high rate and loosses also high.when they
are economically good so for redusing the looses they are
using good insulaters
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Z transform is use when system is not a) converges b) diverges
I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.
Classify drilling machines.
Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com
what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?
How to calculate capacitor bank value to maintain unity power factor with some suitable example?
how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids
A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
what is draiv work
how many joint can done in HT line and what is life of the joint
If o/p power is doubled by how much does the sound increase
what is meant by directional earth fault and non directional earth fault? describe both.
what about GD square and its important for motor design?
what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?