A permanent-magnet DC motor has the following specifications:      Motor Armature Supply Voltage = VA = VM = 36 V      Motor Armature Resistance = RA = 19 Ω      Motor Armature Current = IA = 850 mA      Motor back emf proportionality constant = Kb’ = 1.6 x 10  ̶  3 V/rpm      Find the speed (NM) of the motor.

Q: A permanent-magnet DC motor has the following specifications:        Motor Armature Supply Voltage…

A: In this question we have to find out motor armature current with given data.. In

Q: A series motor runs at 700 rev/min when the voltage is 300 V and the current is 20 A. The armature…

A: Initial speed of motor N1=700 rpm. Initial terminal voltage V1=300 V. Armature current Ia=20 A.…

Q: A 500 V shunt motor has an armature resistance of 0.3 Ω and field resistance 0f 250 Ω. Determine the…

A: Given

Q: The rotor of an induction motor has a moment of inertia of 5kgm2. What is the torque required to…

A: Given data,  Inertia is given as, I=5 kgm2 Final speed Nf=1800 rpm Initial speed Ni=1600 rpm Time t…

Q: Ashunt-wound DC motor with the feld coils and rotor connected in parallel (Figure 1) operates from a…

A: From the DC shunt motor equivalent circuit

Q: A 220 V separately excited dc motor takes 20 A and the armature resistance is 1.0 0. If the armature…

A: We need to find out the speed for given motor.

Q: A 6-pole. 50-Hz 3-ϕ induction motor is running at 950 rpm and has rotor loss of 5 kW. Its rotor…

A: Thank you Reference,Concept and some relevant examples:

Q: de motors

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Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.