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Instruments and Systems: Monitoring, Control, and Diagnostics

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Transition equations of DC valve motor with independent excitation by instantaneous values of variables
D.K. KOKHREIDZE

Is carried out an analysis of the electromagnetic and electromechanical transients of a DC valve motor with a uniaxial excitation winding on the rotor. On the stator of motor is a three-phase winding connected by a triangle and fed from a direct current source through a semiconductor switch. The switch’s valves are controlled by the signals from the rotor position sensor. The calculation of the processes in the motor is carried out on the instantaneous values of the variables for the equivalent phase of the machine without the use of coordinate transformation. The equations of the machine are calculated in coordinates d and q for solving on a computer. Oscillograms of motor currents are stated. Keywords: valve motor, switch, torque, rotor position sensor.

Contacts: E-mail: dKokhreidze@mail.ru

Pp. 22-26.

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