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(i) Using circuit diagram and the current-time characteristics, explain the motor overload protection by thermal overload relay. Explain using a circuit diagram how the motor will automatic shutdown when input (ii) fails? (iii) Explain using circuit diagram the under voltage protection of a motor

(i) Using circuit diagram and the current-time characteristics, explain the motor overload protection by thermal overload relay. Explain using a circuit diagram how the motor will automatic shutdown when input (ii) fails? (iii) Explain using circuit diagram the under voltage protection of a motor

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
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Q5. Describe the following to protect and control the motors: Using circuit diagram and the current-time characteristics, explain the motor overload protection by thermal overload relay. Explain using a circuit diagram how the motor will automatic shutdown when input (i) (ii) fails? (iii) Explain using circuit diagram the under voltage protection of a motor Draw the circuit diagram to explain the adjustable-frequency drive for a 3-phase (iv) induction motor
Transcribed Image Text:Q5. Describe the following to protect and control the motors: Using circuit diagram and the current-time characteristics, explain the motor overload protection by thermal overload relay. Explain using a circuit diagram how the motor will automatic shutdown when input (i) (ii) fails? (iii) Explain using circuit diagram the under voltage protection of a motor Draw the circuit diagram to explain the adjustable-frequency drive for a 3-phase (iv) induction motor
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