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Question 16 A type of AC motor which maintains a very consistent speed O a. Compound...
The most common type of AC motor is the a. Series Motor O b. Synchronous Motor...
The most common type of AC motor is the a. Series Motor O b. Synchronous Motor C. Shunt Motor d. Induction Motor
A type of DC motor which has wide variance in speed based on the mechanical load....
A type of DC motor which has wide variance in speed based on the mechanical load. a. Series Motor. b. Parallel Motor c. Shunt Motor d. Compound Motor.
true or false 11. the speed of a synchronous motor does not decrease with an increase...
true or false 11. the speed of a synchronous motor does not decrease with an increase in mechanical output. 12. selsyn motors are selective synchronous motors. the capacitor-start, induction-run motor interchange the connections of the leads to the polarized starting capacitor. 14. to reverse direction of rotation of a capacitor-start induction-run motor interchange the connections of the leads to the polarized starting capacitor. 15. the centrifugal switch contacts will close when a motor gets close to it's normal operating speed....
A DC shunt motor accelerates at very high speed, what would be the problem and a...
A DC shunt motor accelerates at very high speed, what would be the problem and a possible solution? O a. The shunt field winding is open and you need to install field loss protection b. The shunt field winding is open and you need to install GFI OC. The shunt field winding is shorted and you need to install field loss protection d. The shunt field winding is shorted and you need to install AFCI
Which type rotor of three-phase squirrel-cage motor has low starting torque, high starting current and good...
Which type rotor of three-phase squirrel-cage motor has low starting torque, high starting current and good running torque? Туре В-Е Type F-V 8. Туре А All above А. В. С. D. Which type of motor is known as a constant speed motor? Series DC Long compound 9. В. Shunt DC А. Short Compound D. С. 10 To what a countertorque is proportional? А. Hysteresis Armature Current Eddy current Shunt Field В. D. For DC machine, what type of field winding...
QUESTION 4 AC VSD Sketch the block diagram of a scalar controlled induction motor vanable speed...
QUESTION 4 AC VSD Sketch the block diagram of a scalar controlled induction motor vanable speed drve 41 (4) +21 Show that the Clarke transform is given by I,- (6) 4 2 Sketch the eight possible switching combinations for a three phase (8) [18 43 bridge inverter [TURN OVER
QUESTION 4 AC VSD Sketch the block diagram of a scalar controlled induction motor vanable speed drve 41 (4) +21 Show that the Clarke transform is given by I,- (6) 4...
The starting torque of a three-phase synchronous motor is increased when SE O ou h atic...
The starting torque of a three-phase synchronous motor is increased when SE O ou h atic tio co e rotor electromagnet is turned on. a. b. the rotor electromagnet is turned off. c, the power factor of the ac power network is unity. d. dc power is applied to one of the stator windings. 2. When a synchronous motor without load is connected to a three-phase ac power network, the resulting power factor depends on a. the speed of the...
A) The input current to a 220 V, short-shunt compound motor at no load is 6 A. The shunt- field c...
a) The input current to a 220 V, short-shunt compound motor at no load is 6 A. The shunt- field circuit resistance is 220 Ω; the armature resistance is 0.112, and the series-field resistance is 0.1 Ω, what is the stray power loss ? (b) Assume the input rating of the motor in Part (a) to be 66 A at 220 V with a no-load speed of 1000 rpm. If the stray power loss varies as the counter-electromotive force and...
-1.125 mA o -0.25 mA o 1125 mA Question 4 2 pts Which type of motor...
-1.125 mA o -0.25 mA o 1125 mA Question 4 2 pts Which type of motor we discussed in class has two wires, whose rotational direction can be reversed by switching the polarity of the wires, rotates at high speeds, but with very low torque capability o DC Continuous O Servo Motor Stepper Motor
Question 16 of 20 > Which of the reaction mechanisms is consistent with the energy diagram?...
Question 16 of 20 > Which of the reaction mechanisms is consistent with the energy diagram? O 2A STB slow BC O A+B +C Energy slov O A+B= 0 C D O 2A slow B fast BC CFD Progress of reaction Explain your reasoning: This ungraded area will provide insight to your instructor:
The most common type of AC motor is the a. Series Motor O b. Synchronous Motor C. Shunt Motor d. Induction Motor
A type of DC motor which has wide variance in speed based on the mechanical load. a. Series Motor. b. Parallel Motor c. Shunt Motor d. Compound Motor.
A DC shunt motor accelerates at very high speed, what would be the problem and a possible solution? O a. The shunt field winding is open and you need to install field loss protection b. The shunt field winding is open and you need to install GFI OC. The shunt field winding is shorted and you need to install field loss protection d. The shunt field winding is shorted and you need to install AFCI
Which type rotor of three-phase squirrel-cage motor has low starting torque, high starting current and good running torque? Туре В-Е Type F-V 8. Туре А All above А. В. С. D. Which type of motor is known as a constant speed motor? Series DC Long compound 9. В. Shunt DC А. Short Compound D. С. 10 To what a countertorque is proportional? А. Hysteresis Armature Current Eddy current Shunt Field В. D. For DC machine, what type of field winding...
QUESTION 4 AC VSD Sketch the block diagram of a scalar controlled induction motor vanable speed drve 41 (4) +21 Show that the Clarke transform is given by I,- (6) 4 2 Sketch the eight possible switching combinations for a three phase (8) [18 43 bridge inverter [TURN OVER
QUESTION 4 AC VSD Sketch the block diagram of a scalar controlled induction motor vanable speed drve 41 (4) +21 Show that the Clarke transform is given by I,- (6) 4...
The starting torque of a three-phase synchronous motor is increased when SE O ou h atic tio co e rotor electromagnet is turned on. a. b. the rotor electromagnet is turned off. c, the power factor of the ac power network is unity. d. dc power is applied to one of the stator windings. 2. When a synchronous motor without load is connected to a three-phase ac power network, the resulting power factor depends on a. the speed of the...
a) The input current to a 220 V, short-shunt compound motor at no load is 6 A. The shunt- field circuit resistance is 220 Ω; the armature resistance is 0.112, and the series-field resistance is 0.1 Ω, what is the stray power loss ? (b) Assume the input rating of the motor in Part (a) to be 66 A at 220 V with a no-load speed of 1000 rpm. If the stray power loss varies as the counter-electromotive force and...
-1.125 mA o -0.25 mA o 1125 mA Question 4 2 pts Which type of motor we discussed in class has two wires, whose rotational direction can be reversed by switching the polarity of the wires, rotates at high speeds, but with very low torque capability o DC Continuous O Servo Motor Stepper Motor
Question 16 of 20 > Which of the reaction mechanisms is consistent with the energy diagram? O 2A STB slow BC O A+B +C Energy slov O A+B= 0 C D O 2A slow B fast BC CFD Progress of reaction Explain your reasoning: This ungraded area will provide insight to your instructor:
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