Electric Machine Design
Course Instructor: Arsalan A Rahim (arsalanarahim@gmail.com)
Course URL: http://ep.nge.com.pk
Objectives:
•
Development of the Philosophy of the Transformer Design as per Local Industry
•
Evaluation and Optimization of Transformer Design Variables
•
Selection Criteria for Transformer
•
Design Methodology of Rotating Electric Machines
•
Winding Design Revisited with Emphasis on Salient Pole Windings, Compensating Windings
and Rotor Windings of Modern Day Alternators
•
Dimension Selection of Electric Machines
•
Insulation level Selection of Electric Machines
Books:
“Design of Rotating Electrical Machines” By Juha Pyrhonen, Tapani Jokinen, Valeria Hrabovcova
2009 John Wiley & Sons, Ltd
“Principles of Electric Machine Design” By R.K. Agarwal
First Edition Feb 1992, Fourth Edition Jan 2000
“Design of Transformers” by Indrajit Dasgupta
Tata McGraw-Hill Education, 2002
Course Outline:
Before MIDTERM (TRANSFORMER DESIGN)
•
Transformer Types
•
Transformer Standards and Tolerances
•
Transformer Tests and Electrical Characteristics
•
Conventional Transformer Design
•
Winding Types
•
Yoke and Tank Design (Stepped Core)
•
Calculations of Per unit Impedance, Winding Gradient, Weight of Oil, Tank Dimensions, Load
Loss, Voltage Regulation, Coil Length ,Load Loss and Similar Parameters
•
Transformer Design Optimization Using Repetitive Analysis
•
Transformer Selection Criteria
•
Small Transformer Design + Fabrication (PROJECT)
AFTER MIDTERM (ROTATING MACHINE – INDUCTION & SYNCHRONOUS)
•
Design of Magnetic Circuit
•
Flux Leakage Calculations with Slot and Teeth Design
•
Windings Design of Salient Pole, Slot Windings, End Windings & Poly Phase Fractional and Full
Pitch Winding
•
Resistances Calculations ( Factored by Skin Effect and Eddy Currents)
•
Main Dimension Design of Rotating Machine
•
Design Process Hierarchy of Rotating Machines
•
Insulation Calculations
•
Heat Transfer Calculations
EXAMS DURING THE COURSE:
QUIZES
-
10%
MIDTERM
-
25%
FINAL
-
45%
ASSIGNMENTS -
10%
PROJECT
10%
-
3 (2 OFFICIAL + 1 TO TEST PREVIOUS ELECTRIC MACHINES COURSE)