(d) A motor drives the winch drum through a reduction gear with a gear tooth ratio of 0.1 as shown in Figure Q1(d). The friction torque at winch shaft is 15 Nm and at the motor shaft is 10 Nm. At the motor speed of 1500 rpm, the winch complete one rotational cycle in 11 s. (i) Calculate the equivalent moment of inertia of the drive referred to the motor shaft. (ii) Examine the motor torque if the gear and winch has efficiency of 90% and 98%, respectively. (iii) Find total power of the motor. Winch 0.2 m radius Motor Jo = 0.5 kgm? Gear Cable Jg = 0.15 kgm at the motor speed Load 500 kg Figure Q1(d)

(d) A motor drives the winch drum through a reduction gear with a gear tooth ratio of 0.1 as shown in Figure Q1(d). The friction torque at winch shaft is 15 Nm and at the motor shaft is 10 Nm. At the motor speed of 1500 rpm, the winch complete one rotational cycle in 11 s. (i) Calculate the equivalent moment of inertia of the drive referred to the motor shaft. (ii) Examine the motor torque if the gear and winch has efficiency of 90% and 98%, respectively. (iii) Find total power of the motor. Winch 0.2 m radius Motor Jo = 0.5 kgm? Gear Cable Jg = 0.15 kgm at the motor speed Load 500 kg Figure Q1(d)

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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