EE 601-ELECTRICAL MACHINE DESIGN |
Fundamental Aspects of Electrical Machine Design: |
Design factors, limitation in design, modern trends in design of electric machines, modern machine
manufacturing techniques. Temperature rise, cooling and thermal grading (classification) of insulations.
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Design of Resistances: |
Material of resistance elements, design of loading rheostat, design of heating element. |
Principles of Magnetic circuit design: |
Magnetic leakage, calculation of total mmf in a magnetic circuit, determination of iron losses, pulsation
losses, magnetic leakage calculations, specific permeance, leakage reactance, armature leakage, slot
leakage, calculation of magnetizing current.
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Design of Electromagnets: |
Design of Electromagnet core, selection of materials, electromagnet coils.
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Design of Power Inductors: |
Inductor design calculations choke (small inductors), design procedure. |
Design of Transformer: |
Core, core cross section, yoke cross section, clamping of core, core earthing, transformer winding, cooling
of transformers, transformer insulation, bushings, design details of single phase transformer. Introduction
of 3 phase transformer with special emphasis on core design.
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Design of three phases Induction motor (Squirrel Cage and Slip Ring): |
Stator frames, rotor, rotor windings, slip rings, shaft and bearings, design details. |
Design of Capacitors and Inductors for Power system. |
Books: |
1. A course in Electrical Machine Design, A.K. Sawhney & A. Chakrabarty, Sixth edition, Dhanpat
rai & Co.
2. Principle of Electrical Machine Design with computer programming, S.K. Sen, Oxford & IBH.
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