torque constant

torque constant

[′tȯrk ‚kän·stənt]
(electricity)
The ratio of the torque delivered by a motor to the current supplied to it.
References in periodicals archive ?
beta] - Dynamic frictional torque constant (Nm x s x [rad.
To calculate this current, divide the desired torque by the torque constant (Kt) of the motor.
t] is the motor torque constant, [lambda] is the rotor flux linkage, J is the total drive inertia, [i.
t]: Torque constant [DELTA]: Integral sum before the k time point [K.
5 KW Rates torque 55 (N x m) Rates speed 2000 (r/min) Torque constant 2.
6 a rating motor, type sensorless vector control,pwm/igbt technology, alphanumeric lcd display, overload capacity 150 % for 1 min,efficiency >95% at full loadand more than 92% at 75%load,output torque constant duty continuous,power factor >0.
and the torque constant kT is stated as in Equation (28).
t] is the torque constant and I is the amplitude of phase current.
The former two parameters can be taken as torque constant, and derived by accurate computation or experiments.