Protection Scheme of a 3Phase Induction Motor
Authors
Muhammad Tariq 08EL85
Supervisor
Engr. Farhana Umer
Lecturer
DEPARTMENT OF ELECTRICAL ENGINEERING
UNIVERSITY COLLEGE OF ENGINEERING & TECHNOLOGY
The Islamia University of Bahawalpur
Year2012
PLC BASED PROTECTION SCHEME OF 3Φ INDUCTION MOTOR
By
Muhammad Tariq 08EL85
THESIS SUBMITTED TO UCE&T, ISLAMIA UNIVERSITY OF PARTIAL FULFILLMENT FOR THE DEGREE OF
BACHELORS IN ELECTRICAL (Power) ENGINEERING
Research Supervisor
Engr. Farhana Umer
Lecturer
DEPARTMENT OF ELECTRICAL ENGINEERING
University College of Engineering and Technology,
The Islamia University of Bahawalpur
YEAR2012
Table of Contents
Abstract ………..vii
Acknowledgement ix
List …show more content…
With the increasing loads, voltages and shortcircuit duty in distribution system, over current protection has become more important today. The ability of protection system is demanded not only for economic reason but also consumers just expect ‘reliable’ service. In a Power System Protection, the system engineer would need a device that can monitor current, voltage, frequency, temperature and in some case over power in the system. Thus a device called Protective Relay is created to serve the purpose. The protective relay is most often relay coupled with Circuit Breaker such that it can isolate the abnormal condition in the system. In the interest of reliable

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