Electric Machinery II

Mode of Delivery

Face to Face

Prerequisites and Co-Requisites

None

Recommended Optional Programme Components

Electrical Machines Laboratory and Electrical Machines I

Course Contents

Induced Voltage at the Alternative Current Machines, Lenz (Faraday) Rule, Biot-Savart Rule, Hysteresis and Eddy Losses Introduction of Transformers, Power Transformers, Current and Voltage Measurement Transformers and Auto Transformers, Magnetic Construction of Power Transformers, The Structure of the Low and High Voltage Windings, Cooling Techniques for Transformers, T and L type 1 Phase Linear Equavalent Circuits, Phasor Diagrams, Power Losses and Efficiency, Short and Open Circuits Operation Parameters, Voltage changes and Regulation,Transformers for Polyphase Systems, Per-Unit Values,Harmonic Effects of Excitation Current,Parallel Connections of Power Transformers to the Supply. Introduction to the Induction Machines, Magnetic Field Types, Construction of IM's, Squirrel Cage and Rotor with Ring Type IM's and Alternative Current Machine Windings, T and L type 1 Phase Linear Equavalent Circuits, Phasor Diagrams, Short and Open Circuits Operation Parameters for IM's, Power Losses and Efficiency, Torque for Induction Machines, Starting of IM and The Speed Control Methods of Induction Motors, Generator mode Applications and Braking Techniques of IM's.

Weekly Schedule

1) Faraday Law, Ideal Transformer, Current and Voltage transformation rates, Input and Output Power, 1 and 3 phase transformers, Design
2) Power Transformers, Current and Voltage Measurement Transformers and Auto Transformers, Magnetic Construction of Power Transformers, The Structure of the Low and High Voltage Windings, Cooling Techniques for Transformers,
3) T and L type 1 Phase Linear Equavalent Circuits, Phasor Diagrams, Power Losses and Efficiency, With load and without load situation and calculation of equavalent circuits parameters,
4) Voltage changes and Regulation, Transformers for Polyphase Systems, Per-Unit Values
5) Unstable Load for Transformers, Harmonic Effects of Excitation Current
6) Parallel Connections of Power Transformers to the Supply and Excercises about Power Transformers
7) Introduction to the Induction Machines, Magnetic Field Types, Construction of IM's, Squirrel Cage and Rotor with Ring Type IM's, Working type of IM's, slip,
8) Midterm examination/Assessment
9) T and L type 1 Phase Linear Equavalent Circuits, Phasor Diagrams, Short and Open Circuits Operation Parameters for IM's, Power Losses and Efficiency
10) Torque Production for Induction Machines, Torque versus speed characteristics for Motor and Generation Working
11) Starting of Induction Motors Methods,
12) Speed Drive Methods for Induction Motors
13) Generator mode Applications of IM's and Aplication Area for Induction Generator, Calculation of the Capacitor values for excitation, Paralel Connection to the supply,
14) Braking Techniques of Induction Machines
15) Solving Problem for about Induction Machines
16) Final examination

Recommended or Required Reading

Planned Learning Activities and Teaching Methods

1) Lecture
2) Drill and Practice
3) Simulation
4) Lab / Workshop
5) Project Based Learning

Assessment Methods and Criteria

Contribution of Midterm Examination to Course Grade	40%
Contribution of Final Examination to Course Grade	60%
Total	100%

Language of Instruction

Turkish

Work Placement(s)

Not Required