Description of Individual Course Units
 Course Unit Code Course Unit Title Type of Course Unit Year of Study Semester Number of ECTS Credits 3351002104 TRANSFORMERS AND DIRECT CURRENT MACHINERY Compulsory 1 2 4
Level of Course Unit
Short Cycle
Objectives of the Course
It is aimed with this course that, students will have knowledge about direct current machines, structures and working principles of transformers and make calculations in different mode of operation and evaluate these results.
Name of Lecturer(s)
Öğr.Gör. Mustafa ÖCAL
Learning Outcomes
 1 1-Students will have knowlegde about structures and working principles of direct-current machines. 2 2-Students will comprehend different mode of operation of dynamos and solve sample problems. 3 3-Students will comprehend different mode of operation of direct-current motors and solve sample problems. 4 4-Students will have knowlegde about structures and working principles of transformers. 5 5-Students will comprehend different mode of operation of transformers and solve sample problems.
Mode of Delivery
Evening Education
Prerequisites and co-requisities
None
Recommended Optional Programme Components
None
Course Contents
"A. DC Motors 1. Structure 2. Mode of Operation 3. Kinds 4. Excitation in Direct Current Motor B. Direct Current Shunt-Wound Motoru and Charecteristics of It 1. Blank Operation Characteristic 2. On-Load Operation Charecteristic 3. Exterior Operation Charecteristic C. Direct Current Series Motor and Characteristic of It 1. Blank Operation Characteristic 2. On-Load Operation Charecteristic 3. Exterior Operation Charecteristic"
Weekly Detailed Course Contents
 Week Theoretical Practice Laboratory 1 Explanation of the structure, types and working principle of DC machines. 2 Armature reaction and commutation in DC machines. 3 Explanation of DC machines operating as dynamo and motor. 4 Investigation of operating characteristics of dynamos in idle and different loads. 5 Study of DC motors' operation experiments and their characteristics at idle and different loads. 6 Calculation of losses, efficiency and momentum in DC machines. 7 Structure and working principle of single and three phase transformers. 8 Transformer connections, equivalent circuit drawing and calculation of equivalent circuit elements. 9 Midterm Examination of idle operation experiment and characteristics of transformers. 10 Study of transformer short circuit and operation tests and characteristics of different loads. 11 Regulation account for transformers. 12 Calculation of loss and efficiency in transformers. 13 Demonstration of the use of a transformer in a three-phase supply. 14 Explanation of star, triangle and Zig-zag connection groups of three-phase transformer windings.
Prof.Dr. İlhami ÇOLAK (Elektrik Makinaları I ve II) Adem ALTUNSAÇLI (Elektrik Mak. II)
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
 Term (or Year) Learning Activities Quantity Weight Midterm Examination 1 100 SUM 100 End Of Term (or Year) Learning Activities Quantity Weight Final Examination 1 100 SUM 100 Term (or Year) Learning Activities 40 End Of Term (or Year) Learning Activities 60 SUM 100
Language of Instruction
Work Placement(s)
None