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For each armature voltage setting, measure and record the armature current IA, field current IF, and motor speed in the following Table: Table-1: VA(V) SPEED L«(A) IF(mA) (r/min) 360 20 205 0.2 A 780 40 447 360 o.3 60 713 974 6.니 360 80 0.4 36 o 100 1241 0.42 360 7. Do your results confirm that the speed of the DC Motor/Generator can be controlled by varying the armature voltage using the Thyristor Speed Controller? 8. Do results confirm that the DC Motor/Generator offers a wide speed range when controlling your the armature voltage using the Thyristor Speed Controller?

For each armature voltage setting, measure and record the armature current IA, field current IF, and motor speed in the following Table: Table-1: VA(V) SPEED L«(A) IF(mA) (r/min) 360 20 205 0.2 A 780 40 447 360 o.3 60 713 974 6.니 360 80 0.4 36 o 100 1241 0.42 360 7. Do your results confirm that the speed of the DC Motor/Generator can be controlled by varying the armature voltage using the Thyristor Speed Controller? 8. Do results confirm that the DC Motor/Generator offers a wide speed range when controlling your the armature voltage using the Thyristor Speed Controller?

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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please solve q 7 and 8
4. Set the controls of the Thyristor Speed Controller as follows: CLOSED LOOP selector: RUN selector: "O" Position "O" Position FIRING ANGLE: "MIN" position 5. On the Power Supply, set the main power switch to the "I" (on) position, and increase the voltage control knob to 120 V. 6. On the Thyristor Speed Controller, adjust the FIRING ANGLE potentiometer so that the armature voltage increases to 100V in 20V incremental steps as shown in the Table-1. For each armature voltage setting, measure and record the armature current IA, field current IF, and motor speed in the following Table: Table-1: VA(V) SPEED TA(A) IF(mA) (r/min) 360 A 20 205 0.2 A 780 40 니니구 o.3 360 60 713 0.4 360 80 974 0.4 36 o 100 1241 0.42 360 7. Do your results confirm that the speed of the DC Motor/Generator can be controlled by varying the armature voltage using the Thyristor Speed Controller? 8. Do your results confirm that the DC Motor/Generator offers a wide speed range when controlling the armature voltage using the Thyristor Speed Controller? 9. Return the FIRING ANGLE potentiometer to MIN. and tum off the Power Supply.
Transcribed Image Text:4. Set the controls of the Thyristor Speed Controller as follows: CLOSED LOOP selector: RUN selector: "O" Position "O" Position FIRING ANGLE: "MIN" position 5. On the Power Supply, set the main power switch to the "I" (on) position, and increase the voltage control knob to 120 V. 6. On the Thyristor Speed Controller, adjust the FIRING ANGLE potentiometer so that the armature voltage increases to 100V in 20V incremental steps as shown in the Table-1. For each armature voltage setting, measure and record the armature current IA, field current IF, and motor speed in the following Table: Table-1: VA(V) SPEED TA(A) IF(mA) (r/min) 360 A 20 205 0.2 A 780 40 니니구 o.3 360 60 713 0.4 360 80 974 0.4 36 o 100 1241 0.42 360 7. Do your results confirm that the speed of the DC Motor/Generator can be controlled by varying the armature voltage using the Thyristor Speed Controller? 8. Do your results confirm that the DC Motor/Generator offers a wide speed range when controlling the armature voltage using the Thyristor Speed Controller? 9. Return the FIRING ANGLE potentiometer to MIN. and tum off the Power Supply.
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