The rated parameters of a separately excited DC motor are: U=420V; Ia=57,5A; Ra=0.1Ω and kgφ=0,4263 (V/rpm). Friction, ventilation and core losses of the motor is 600 W and can be considered as constant. a) Calculate the output power and torque of the motor at nominal operating condition.
The rated parameters of a separately excited DC motor are: U=420V; Ia=57,5A; Ra=0.1Ω and kgφ=0,4263 (V/rpm). Friction, ventilation and core losses of the motor is 600 W and can be considered as constant. a) Calculate the output power and torque of the motor at nominal operating condition.
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The rated parameters of a separately excited DC motor are: U=420V; Ia=57,5A; Ra=0.1Ω and kgφ=0,4263 (V/rpm). Friction, ventilation and core losses of the motor is 600 W and can be considered as constant.
a) Calculate the output power and torque of the motor at nominal operating condition.
b) The motor drives a load having half of the rated torque at nominal speed. Calculate the armature current, induced voltage at armature windings and the power drawn from the supply. Ignore the power losses in the field circuit.
May I ask for can you send the answer after being tottaly sure about the answer and can you give some little explanations for each step of your solution. Thanks in advance.
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