Qu) A Single, yook, boHz, series motor has following impedance at 60Hz. Zin: 1.6+j10.a (a) Dc Supply: The motor is connected to a 400 U de supply and rotates at 2000rpm when loaded to draw a current of 20 A. Neglect rotational loss. Determine- (i) The mechanical power developed (Pm) (ii) The efficiency.
Qu) A Single, yook, boHz, series motor has following impedance at 60Hz. Zin: 1.6+j10.a (a) Dc Supply: The motor is connected to a 400 U de supply and rotates at 2000rpm when loaded to draw a current of 20 A. Neglect rotational loss. Determine- (i) The mechanical power developed (Pm) (ii) The efficiency.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Question
![Qu) A Single, 400V, 60HZ, series motor has the
following impedance at 60Hz.
Zin: 1.6+j10.0
(a) Dc Supply: The motor is connected to a 400 U
dc supply and rotates at 2000rpm when loaded to
draw a current of 20A. Neglect rotational loss. Determine
(i) The mechanical power developed (Pm)
(ii) The efficiency...
(b) AC Supply: The motor is connected to 14, 400 V; 60 HZ,
and loaded to draw a current of zo A. Determine:
(i). The speed of the motor.
(ii) The supply power factor..
(iii). The mechanical power developed (Pm)
4
(iv) The efficiency..
(V). The starting torque. (Assume magnetic linearity)
1708.6
[ali) 7360 W, (ii) 92%; bli) 698,75 rpm, (ii) 0.866
(iii) 6288.2 W, (iv) 90,77%, (v) 137 Nm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2b486636-5a96-4779-886b-fd677e08d80a%2F747761d1-0f8f-4aa6-942a-43e102de7782%2F9e646ef_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Qu) A Single, 400V, 60HZ, series motor has the
following impedance at 60Hz.
Zin: 1.6+j10.0
(a) Dc Supply: The motor is connected to a 400 U
dc supply and rotates at 2000rpm when loaded to
draw a current of 20A. Neglect rotational loss. Determine
(i) The mechanical power developed (Pm)
(ii) The efficiency...
(b) AC Supply: The motor is connected to 14, 400 V; 60 HZ,
and loaded to draw a current of zo A. Determine:
(i). The speed of the motor.
(ii) The supply power factor..
(iii). The mechanical power developed (Pm)
4
(iv) The efficiency..
(V). The starting torque. (Assume magnetic linearity)
1708.6
[ali) 7360 W, (ii) 92%; bli) 698,75 rpm, (ii) 0.866
(iii) 6288.2 W, (iv) 90,77%, (v) 137 Nm
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