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Electrical Drives

Code 15266
Year 1
Semester S2
ECTS Credits 6
Workload PL(15H)/T(30H)/TP(15H)
Scientific area Electrotechnics and Electronics
Entry requirements Not applicable.
Mode of delivery Face-to-Face.
Work placements Not Applicable.
Learning outcomes The main objectives of this course unit are the study of the constructional features, operating principles and main applications of three-phase synchronous and asynchronous electric drives.
At the end of this course unit the student should be able to select and use three-phase synchronous and asynchronous electric drives.
Syllabus Asynchronous machines: Introduction.
Constructional features.
Rotating magnetic field.
Induced voltages.
Polyphase induction machines.
Equivalent circuit model: no-load and blocked-rotor tests.
Performance characteristics.

Synchronous machines: Introduction.
Constructional features.
Synchronous generators: The inifine bus.
Synchronous motors.
Equivalent circuit model: determination of the synchronous reactance Xs.
Phasor diagram.
Power and torque characteristics.
Main Bibliography P. C. Sen: "Principles of Electric Machines and Power Electronics", John Wiley & Sons.
S. J. Chapman: "Electric Machinery Fundamentals", McGraw-Hill.
Teaching Methodologies and Assessment Criteria Two written tests (7.5 points each), without subject assessment repetition. Single final examination (15 points). Laboratory evaluation: 4 points.
Language Portuguese. Tutorial support is available in English.
Last updated on: 2022-06-17

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