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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
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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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
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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