Course Objectives: |
c - Recall the basics of electromagnetic field theory. - To learn magnetic circuits and their modeling and solution methods. To understand the concepts of inductance and energy storage in magnetic circuits. - To learn the properties and characteristics of magnetic materials. To understand the concepts of alternating current excitation and core losses. - To understand the concepts of transformer, ideal transformer, single phase transformer, equivalent circuit, efficiency and regulation, operating principles of three phase transformers. - To learn each unit system. - To learn the principles of electromechanical energy conversion, concepts of energy, co-energy, force generation. - To learn the concept of rotating magnetic field and voltage induction. - To learn the operating principle, equivalent circuit, power flow, tests of three-phase induction machine. - To learn starting techniques and speed control methods of induction motors. - To learn the operating principles, equivalent circuit and characteristics of synchronous machines.
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Course Content: |
Fundamentals of electrical machines, magnetic circuits and materials, fundamentals of electromechanical energy conversion, transformers, DC machines, starting DC motors, DC motor speed control techniques, synchronous machines; asynchronous machines, asynchronous motor drives.
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Week |
Subject |
Related Preparation |
1) |
- Introduction to the course. Why electric machines? Principles of electromagnetics, magnetic circuits, inductance.
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2) |
- Alternating current excitation, magnetic losses, introduction to transformers
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3) |
- Energy storage in magnetic field, magnetic materials, examples.
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4) |
- Ideal transformer, transformer equivalent circuit, transformer experiments, examples.
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5) |
- Three-phase transformers, examples.
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6) |
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7) |
- Energy transformation. Energy, coenergy, force.
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8) |
- Rotating magnetic field concept. Induced voltage.
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9) |
- Structure of asynchronous motors. Induction motor equivalent circuit.
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10) |
- Induction motor parameters, locked rotor test, no-load test. Examples.
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11) |
- Speed-moment characteristics of induction machines.
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12) |
- Power flow, starting, speed control.
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13) |
- Synchronous machines, equivalent circuit.
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14) |
End of semester exam studies.
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Program Outcomes |
Level of Contribution |
1) |
Adequate knowledge in mathematics, science and engineering subjects pertaining to the relevant discipline; ability to use theoretical and applied knowledge in these areas in complex engineering problems. |
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2) |
Ability to identify, formulate, and solve complex engineering problems; ability to select and apply proper analysis and modelling methods for this purpose. |
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3) |
Ability to design a complex system, process, device or product under realistic constraints and conditions, in such a way as to meet the desired result; ability to apply modern design methods for this purpose. |
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4) |
Ability to devise, select, and use modern techniques and tools needed for analysing and solving complex problems encountered in engineering practice; ability to employ information technologies effectively. |
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5) |
Ability to design and conduct experiments, gather data, analyse and interpret results for investigating complex engineering problems or discipline specific research questions. |
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6) |
Ability to work efficiently in intra-disciplinary and multi-disciplinary teams; ability to work individually. |
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7) |
Ability to communicate effectively in Turkish, both orally and in writing; knowledge of a minimum of one foreign language; ability to write effective reports and comprehend written reports, prepare design and production reports, make effective presentations, and give and receive clear and intelligible instructions. |
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8) |
Recognition of the need for lifelong learning; ability to access information, to follow developments in science and technology, and to continue to educate him/herself. |
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9) |
Consciousness to behave according to ethical principles and professional and ethical responsibility; knowledge on standards used in engineering practice. |
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10) |
Knowledge about business life practices such as project management, risk management, and change management; awareness in entrepreneurship, innovation; knowledge about sustainable development. |
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11) |
Knowledge about the global and social effects of engineering practices on health, environment, and safety, and contemporary issues of the century reflected into the field of engineering; awareness of the legal consequences of engineering solutions |
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