REVIEW QUESTIONS 1. Calculate the mechanical output power developed by the series wound DC motor when...
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REVIEW QUESTIONS 1. Calculate the mechanical output power developed by the series wound DC motor when the torque is 1.2 N-m [9 lbf-in). Use the equation: 2n x N x T Pot (W) 60 where: P Mechanical Output Power in watts (W) N = Speed in revolutions per minute (r/min) T = Torque in Newton-meter (N-m) 1.59 x N x T P. out (hp). 100 000 - Mechanical Output Power in horse power (hp) N = Speed in revolutions per minute (r/min) TH Torque in pound-force-inches (Ibf-in) where: P Po W [hp] 1. Knowing that 1 hp is equivalent to 746 W, what is the equivalent" output power of the motor? Output power 2. What is the input power (in watts) of the motor in Question 1? Input power = 3. Knowing the input and output power in watts, calculate the efficiency of the motor in Question 1. Efficiency = 4. What are the losses (in watts) of the motor in Question 1? REVIEW QUESTIONS 1. Calculate the mechanical output power developed by the series wound DC motor when the torque is 1.2 N-m [9 lbf-in). Use the equation: 2n x N x T Pot (W) 60 where: P Mechanical Output Power in watts (W) N = Speed in revolutions per minute (r/min) T = Torque in Newton-meter (N-m) 1.59 x N x T P. out (hp). 100 000 - Mechanical Output Power in horse power (hp) N = Speed in revolutions per minute (r/min) TH Torque in pound-force-inches (Ibf-in) where: P Po W [hp] 1. Knowing that 1 hp is equivalent to 746 W, what is the equivalent" output power of the motor? Output power 2. What is the input power (in watts) of the motor in Question 1? Input power = 3. Knowing the input and output power in watts, calculate the efficiency of the motor in Question 1. Efficiency = 4. What are the losses (in watts) of the motor in Question 1?
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