Electrical Engineering

Write the universal torque equation and derive the characteristic of impedance reactance and mho relays?

User Avatar
Wiki User
March 03, 2013 5:13AM

soumitro paul; student of a.p.c roy polytechnic 2013


The universal relay torque equation is



T= maximum torque

V= R.m.S magnitude of voltage

I= R.M.S magnitude of current

The spring torque will be K .

a= angle between V&I

e=max torque angle