5. An electric motor draws a current of 10 A with a voltage of 110 V. The output shaft develops a torque of 9.7 N m and a rotational speed of 1000 RPM. For operation at steady state, determine for the motor: a) The electric power required. [1.1 kW] b) The power developed by the output shaft. The average surface temperate, T,, if h = The motor has a surface area of 0.26 m². c) 15 [1.0 kW] W m²-k [43 °C] 10 amp ΠΟΥ and the surrounding air is at Tair = 21 °C. Motor TAIR = 21°C h = 15 W/m²K W shaft J=9.7N-m 1000 RPM
5. An electric motor draws a current of 10 A with a voltage of 110 V. The output shaft develops a torque of 9.7 N m and a rotational speed of 1000 RPM. For operation at steady state, determine for the motor: a) The electric power required. [1.1 kW] b) The power developed by the output shaft. The average surface temperate, T,, if h = The motor has a surface area of 0.26 m². c) 15 [1.0 kW] W m²-k [43 °C] 10 amp ΠΟΥ and the surrounding air is at Tair = 21 °C. Motor TAIR = 21°C h = 15 W/m²K W shaft J=9.7N-m 1000 RPM
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
![5. An electric motor draws a current of 10 A with a voltage of 110 V. The output shaft develops a torque
of 9.7 N·m and a rotational speed of 1000 RPM. For operation at steady state, determine for the
motor:
a) The electric power required. [1.1 kW]
b) The power developed by the output shaft
c) The average surface temperate, T,, if h =
The motor has a surface area of 0.26 m².
[1.0 kW]
15
[43 °C]
m²-k
10 amp
TION
and the surrounding air is at Tair = 21 °C.
Motor
TAR= 21°C
h = 15 W/m²K
W
U
7-97N-m
1000 RPM](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fee563bfe-badf-4a9d-9a7e-d47066dc4e0e%2F1b38f91d-5a5f-4b8d-82b3-70fe51520180%2Fi1wecmt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. An electric motor draws a current of 10 A with a voltage of 110 V. The output shaft develops a torque
of 9.7 N·m and a rotational speed of 1000 RPM. For operation at steady state, determine for the
motor:
a) The electric power required. [1.1 kW]
b) The power developed by the output shaft
c) The average surface temperate, T,, if h =
The motor has a surface area of 0.26 m².
[1.0 kW]
15
[43 °C]
m²-k
10 amp
TION
and the surrounding air is at Tair = 21 °C.
Motor
TAR= 21°C
h = 15 W/m²K
W
U
7-97N-m
1000 RPM
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