Electrical Machines and Equipment

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Electrical Technology DepartmentElectrical Machines & EquipmentsDetailed Theoretical ContentsHours Contents Related Tasks84-DC circuit analysis: Methods of DC circuit analysis. Kirchoff's current and voltage laws. Mesh current method. Node voltage method. Superposition method.Note: not more than two equations.Basic KnowledgeA4,A8, B3, B4, B6,B7, B8, B9, C2,C3, C6, C7, D5,D9, E3, E4,E5,F1,F2, F3, F5,H2, H11, J5105- Electromagnetism: Natural and magnetic fields. Magnetic field due to current carrying conductor and theright hand rule. Magnetic field due to a coil. Magnetic field density, magnetic field intensity, andpermeability. Mechanical force acting on a conductor carrying DC currentin a magnetic field, and factors affecting this force. Direction of force acting on a conductor carrying DC current Elector-magnetic force generated in a conductor movingvertically to a magnetic field. Direction of EMF generated in a conductor moving verticallyto a magnetic field. Self and mutual induction. Lenz's lawBasic Knowledge106- Magnetic Circuits: Magnetic reluctance and the factors affecting it. Electro-magnetic force. Ohm's law for the magnetic circuit. Comparison between electric and magnetic circuits. Classification of magnetic materials according to theirmagnetic properties. Magnetization curve for some magnetic materials. Kirchoff's laws for magnetic circuits. Application using simple magnetic circuits.Basic Knowledge- 10 -
Electrical Technology DepartmentElectrical Machines & EquipmentsReferences Electrical Technology, Edward Hughes Introductory Circuit Analysis, Robert L. Boylestad, 2000 Principles of Electric circuits, Thomas L. Floyd, 1999 Fundamentals of Electric Circuits, Charles K. Alexander, N.O. Sadiaka, 2000 Electric Circuits, Joseph Edminister, Mahmood Nahoi, 1997- 11 -
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