1.7)The armature of a 4-pole de machine rotates at 840 rpm .The armature length and diameter are 40 cm and 30 cm respectively .The flux per pole is 65 mWb .Each armature coil has 5 turns, and develops an average torgue of 3.0 Nm.
1.7)The armature of a 4-pole de machine rotates at 840 rpm .The armature length and diameter are 40 cm and 30 cm respectively .The flux per pole is 65 mWb .Each armature coil has 5 turns, and develops an average torgue of 3.0 Nm.
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![1.7 The armature of a 4-pole de machine rotates at 840 rpm .The armature length and
diameter are 40 cm and 30 cm respectively The flux per pole is 65 mWb .Each armature
coil has 5 turns, and develops an average torque of 3.0 Nm.
a .Find the coil emf, current, and conversion power.
b .Make a rough estimate of the copper (I R)loss in the coil assuming it is made of
1.0 mm copper wire, and the losses during operation raise the temperature to 80 ° c.
W
AR
11.C
T-TIV
Lenovo](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0295f35-33bb-4bda-83f5-c78ab75ef95d%2F07261e72-70c2-4e6e-8972-1e34e81cf232%2Fuvpc4nl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.7 The armature of a 4-pole de machine rotates at 840 rpm .The armature length and
diameter are 40 cm and 30 cm respectively The flux per pole is 65 mWb .Each armature
coil has 5 turns, and develops an average torque of 3.0 Nm.
a .Find the coil emf, current, and conversion power.
b .Make a rough estimate of the copper (I R)loss in the coil assuming it is made of
1.0 mm copper wire, and the losses during operation raise the temperature to 80 ° c.
W
AR
11.C
T-TIV
Lenovo
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