Case 01: Suppose, A company is requested you to build up an air conditioner with the help of below motor. The main winding of this specific motor is Zm-(4.5+j3.7) ohm. The resistance of the Auxiliary winding is 10 Q. There has some available value of the capacitors, which are 100 µF, 200 µF, 300 µF, 400 µF and 500 µF. (100µF, 200µF, 300uF, T 400 µF, 500uF) 4.5

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Chapter29: Dc Generators
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Case 01: Suppose, A company is requested you to build up an air conditioner with the help
of below motor. The main winding of this specific motor is Zm-(4.5+j3.7) ohm. The resistance
of the Auxiliary winding is 10 Q. There has some available value of the capacitors, which are
100 uF, 200 uF, 300 µF, 400 uF and 500 uF.
(100µF, 200µF, 300µF,
400 µF, 500µF)
(Sohm, 10 ohm, 15 ohm)
4.5
Supply
220V
j3.78
Sj3.7
a. Mention the name of the motor.
b. Draw a Capacitance vs Torque characteristic curve considering the available capacitors.
c. Which capacitance will be optimum for achieving maximum torque and efficiency?
Data for Graph
10 Ω
Phase angle (a)
Capacitance
100 uF
200 uF
300 uF
400 uF
500 uF
Torque
Transcribed Image Text:Case 01: Suppose, A company is requested you to build up an air conditioner with the help of below motor. The main winding of this specific motor is Zm-(4.5+j3.7) ohm. The resistance of the Auxiliary winding is 10 Q. There has some available value of the capacitors, which are 100 uF, 200 uF, 300 µF, 400 uF and 500 uF. (100µF, 200µF, 300µF, 400 µF, 500µF) (Sohm, 10 ohm, 15 ohm) 4.5 Supply 220V j3.78 Sj3.7 a. Mention the name of the motor. b. Draw a Capacitance vs Torque characteristic curve considering the available capacitors. c. Which capacitance will be optimum for achieving maximum torque and efficiency? Data for Graph 10 Ω Phase angle (a) Capacitance 100 uF 200 uF 300 uF 400 uF 500 uF Torque
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