why in america the supply frequency is applied as 60 HZ.
but in india we use 50 HZ.
Differance between power circuit and control circuit
What is the difference between Ac curent & DC current
difference between torque mode and speed mode
why the neutral of power transformer is always earthed?
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
What do you mean by power transformer?
what is servo motor and how it works?
What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?
i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT
how ship earthed?
What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?
how to calculate the minimum permissible limts of insulation resistance of switchyard equipments