ELECTRICAL MACHINES 1 |
ELECTRICAL ENGINEERING |
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Semester |
Teaching Methods |
Credits |
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5 |
Lecture |
Rec. |
Lab. |
Project Work |
HW |
Other |
Total |
Credit |
ECTS Credit |
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44 |
- |
- |
20 |
20 |
16 |
100 |
3 |
4 |
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Language |
English |
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Compulsory / Elective |
Compulsory |
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Prerequisites |
(63212) |
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Course Contents |
Single phase and three phase transformers. DC machinery fundamentals. Dc generators. Parallel operation of DC generators. DC motors. Calculations of DC generators and motors. |
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Course Objectives |
To introduce the construction, principle of action, equivalent circuits, characteristics, and different calculations of transformers and DC machines. |
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Learning Outcomes and Competences |
Understanding the principle of transformers and DC machines. Learning different characteristics of DC machines to control them. Solving practical and design perspective problems related to transformers and DC machines. |
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Textbook and /or References |
Electric machinery fundamentals. Stephen J. Chapman. McGraw-Hill. Electric machinery. A.E.Fitzgerald, Charles Kigsley, and A. Kusko. McGraw-Hill. |
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Assessment Criteria |
If any,mark as (X) |
Percent (%) |
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Midterm Exams |
X |
40 |
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Quizzes |
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Homeworks |
X |
10 |
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Projects |
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Term Paper |
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Laboratory Work |
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Other |
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Final Exam |
X |
50 |
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Instructors |
Assist. Prof. Dr. Maher Khammash, maherkh@najah.edu |
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Week |
Subject |
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1 |
TRANSFORMERS: Types and construction of transformers, the ideal transformer. |
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2 |
REAL SINGLE PHASE TRANSFORMERS: Theory of operation, the equivalent circuit, calculation of voltage regulation and efficiency. |
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3 |
THE PER UNIT SYSTEM OF A TRANSFORMER: calculation of different practical problems. The Autotransformer. |
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4 |
THREE PHASE TRANSFORMERS: different types, calculations. Transformer ratings. |
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5 |
DC MACHINERY FUNDAMENTALS: construction of DC machines, induced voltage and torque in a single turn, commutation and armature reaction. |
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6 |
FUNDAMENTALS OF REAL DC MACHINES: the internal generated voltage and induced torque equations in real DC machines, power flow and losses in real DC machines. |
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7 |
MIDTERM EXAM 1 |
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8 |
DC GENERATORS: different types, the magnetization curve, the separately excited DC generator. |
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9 |
DC GENERATORS: the shunt DC generator, the series DC generator, solving different problems. |
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10 |
DC GENERATORS: the cumulatively compounded DC generator, the differentially compounded generator. Parallel operation of DC generators.Solving different problems. |
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11 |
DC MOTORS: different types, the separately excited DC motor, and the shunt DC motor equivalent circuits, solving different problems. |
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12 |
DC MOTORS: the sires DC motor, the compounded motor. DC motor efficiency calculations. |
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13 |
MIDTERM EXAM II |
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14 |
STARTING OF DC MOTORS: DC motors starting circuits. |