AC Machine Design
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AC Machine Design Syllabus — Unit-wise Content
The official GTU curriculum for AC Machine Design (subject code 3170909) as prescribed for Electrical Engineering · Semester 7 divides the course into 5 units, covering 51 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3170909)Unit 1 Introduction
- Major considerations in electrical machine design
- Electrical engineering materials
- Space factor
- Choice of specific electrical and magnetic loadings
- Thermal considerations
- Heat flow
- Temperature rise
- Rating of machines
Unit 2 Design of transformers
- Sizing of a transformer
- Main dimensions
- kVA output for single- and three-phase transformers
- Window space factor
- Overall dimensions
- Operating characteristics
- Voltage regulation
- No load current
- Temperature rise in transformers
- Design of cooling tank
- Methods for cooling of transformers
Unit 3 Design of induction motors
- Sizing of an induction motor
- Main dimensions
- Length of air gap, Rules for selecting rotor slots of squirrel cage machines
- Design of rotor bars & slots
- Design of end rings
- Design of wound rotor
- Magnetic leakage calculations
- Leakage reactance of poly phase machines
- Magnetizing current
- Short circuit current
- Circle diagram
- Operating characteristics
Unit 4 Design of synchronous machines
- Sizing of a synchronous machine
- Main dimensions
- Design of salient pole machines
- Short circuit ratio and its significance
- Shape of pole face
- Armature design
- Armature parameters
- Estimation of air gap length
- Design of rotor
- Design of damper winding
- Determination of full load field mmf, Design of field winding
- Design of turbo alternators
Unit 5 Computer aided design
- Need for CAD analysis
- Synthesis and hybrid methods
- Design optimization methods
- Constraints and objective function
- Problem formulation
- Introduction to FEM based machine design
- Introduction to complex structures of modern machines- Permanent Magnet Synchronous Machines
- Brushless DC Machines and Switched 10 Subject Code: 3170909 w.e.f
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