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Umax period tid [ms] ton toff Umax = 8 [V] RA = 1.34 [] IA=4 [A] ton = 80 [%] no = 3000 [ varv min

Umax period tid [ms] ton toff Umax = 8 [V] RA = 1.34 [] IA=4 [A] ton = 80 [%] no = 3000 [ varv min

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A DC motor is supplied with an armature voltage that is pulse width modulated (PWM). The motor's rated current is IA and armature resistance RA a) What will be the idle speed at 80% duty cycle b) Calculate the average value of the voltage . c) Calculate the average value of the current if the motor is loaded with 50% of normal torque . d) How much mechanical energy does the engine deliver if it is running for 3 hours with continuous load from part c). Ignore any losses in the engine

Umax period tid [ms] ton toff Umax = 8 [V] RA = 1.34 [] IA=4 [A] ton = 80 [%] no = 3000 [ varv min
Transcribed Image Text:Umax period tid [ms] ton toff Umax = 8 [V] RA = 1.34 [] IA=4 [A] ton = 80 [%] no = 3000 [ varv min
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