본문내용
NO. 36 THE UNIVERSAL MOTOR, PART I
OBJECT
- To examine the construction of the universal motor
- To determine universal motor’s no-load, full-load characteristics while operating on alternative current and direct current.
PROCEDURE
4. Viewing the front face of the module:
a) The main series winding is connected to terminals 3 and 4.
b) The compensating winding is connected to terminals 5 and 6.
c) The brushes (commutator and armature winding) are connected to terminals 1 and 2.
10.
c) Measure and record the line current.
I ≅ 1.2 Aac
14.
a) Calculate and record in the Table the apparent power delivered to the motor for each of the listed torques.
b) Calculate and record in the Table the developed horsepower for each of the listed torques.(voltage was 115V, VA = V*I, hp≅ (1.59*SPEED(rpm)*TORQUE(lbf.in))/100,000[HP])
OBJECT
- To examine the construction of the universal motor
- To determine universal motor’s no-load, full-load characteristics while operating on alternative current and direct current.
PROCEDURE
4. Viewing the front face of the module:
a) The main series winding is connected to terminals 3 and 4.
b) The compensating winding is connected to terminals 5 and 6.
c) The brushes (commutator and armature winding) are connected to terminals 1 and 2.
10.
c) Measure and record the line current.
I ≅ 1.2 Aac
14.
a) Calculate and record in the Table the apparent power delivered to the motor for each of the listed torques.
b) Calculate and record in the Table the developed horsepower for each of the listed torques.(voltage was 115V, VA = V*I, hp≅ (1.59*SPEED(rpm)*TORQUE(lbf.in))/100,000[HP])
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