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A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w = 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the amature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the Vr, with power equal to 2 hp, Ra 0.1 2, R= 0.05 2, and the current consumed equal to 100 A. Calculate the VT and the motor efficiency. 3- Draw both characteristics for the generator and motor. 0-300N Radi 0.05 N RA 20 N RF Vp- 430 V EA VT NE= 1000 turns LF

A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w = 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the amature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the Vr, with power equal to 2 hp, Ra 0.1 2, R= 0.05 2, and the current consumed equal to 100 A. Calculate the VT and the motor efficiency. 3- Draw both characteristics for the generator and motor. 0-300N Radi 0.05 N RA 20 N RF Vp- 430 V EA VT NE= 1000 turns LF

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 separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the amature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the VT, with power equal to 2 hp, RA 0.1 2, R = 0.05 2, and the current consumed equal to 100 A. Calculate the VT and the motor efficiency. 3- Draw both characteristics for the generator and motor. 0-300N Radi 0.05 N RA 20 N RF Vp= 430 V EA VT Np= 1000 turns LF Figure 1
Transcribed Image Text:A separately excited DC generator shown in Fig.1. Let the adjusted resistance equal to 80 2. The speed of the shaft is given by w 150 rad/sec. and the magnetic flux equal to 5 Weber with proportional constant equal to 2.5. Do the following: 1- Calculate the field and the amature currents and the terminal voltage with no load condition. 2- A series DC motor is connected a cross the VT, with power equal to 2 hp, RA 0.1 2, R = 0.05 2, and the current consumed equal to 100 A. Calculate the VT and the motor efficiency. 3- Draw both characteristics for the generator and motor. 0-300N Radi 0.05 N RA 20 N RF Vp= 430 V EA VT Np= 1000 turns LF Figure 1
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