4. A DC motor has a specification written on its nametag as shown below. Parameter Value Power 3.0 kW Max rated voltage Max rated current 220 V 18.0 A Speed 2000 RPM Moment of Inertia 0.06 kgm2...

4.<br>A DC motor has a specification written on its nametag as shown below.<br>Parameter<br>Value<br>Power<br>3.0 kW<br>Max rated voltage<br>Max rated current<br>220 V<br>18.0 A<br>Speed<br>2000 RPM<br>Moment of Inertia<br>0.06 kgm2<br>Armature resistance<br>0.65 Ohm<br>Armature inductance<br>8 mH<br>Back e.m.f. constant<br>1.25 V/(rad/sec)<br>What kind (type) of DC motor is it? Elaborate the reason.<br>Calculate the rated torque [Nm].<br>a.<br>b.<br>C.<br>Calculate the mechanical power produced by the motor when the speed is<br>2000 RPM.<br>Calculate motor efficiency [%] when the speed is 2000 RPM.<br>If the holding torque of the motor 40 Nm, calculate no-load-speed [RPM].<br>d.<br>е.<br>

Extracted text: 4. A DC motor has a specification written on its nametag as shown below. Parameter Value Power 3.0 kW Max rated voltage Max rated current 220 V 18.0 A Speed 2000 RPM Moment of Inertia 0.06 kgm2 Armature resistance 0.65 Ohm Armature inductance 8 mH Back e.m.f. constant 1.25 V/(rad/sec) What kind (type) of DC motor is it? Elaborate the reason. Calculate the rated torque [Nm]. a. b. C. Calculate the mechanical power produced by the motor when the speed is 2000 RPM. Calculate motor efficiency [%] when the speed is 2000 RPM. If the holding torque of the motor 40 Nm, calculate no-load-speed [RPM]. d. е.

Jun 11, 2022

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4. A DC motor has a specification written on its nametag as shown below. Parameter Value Power 3.0 kW Max rated voltage Max rated current 220 V 18.0 A Speed 2000 RPM Moment of Inertia 0.06 kgm2...

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