Self Excited Shunt DC Motor Calculator

This Calctown Calculator calculates the torque in a self excited shunt DC motor at a given speed.

E(supply voltage)

I_{a rated}(rated current)

R_a(armature resistance)

ohm

T_rated(rated torque)

N-m

ω_rated(rated speed)

rpm

ω_new(new speed)

rpm

E_{b rated}(rated back emf)

E_{b new}(new back emf)

I_{a new}(new current)

T_new(new torque)

N-m

Click here to view image

where

E = DC supply voltage

E_b = back emf

I_a = armature current

R_a = armature resistance

ω = rotational speed

T = toruqe