Special Purpose Electrical Machines detailed syllabus scheme for Electrical Engineering (EE), 2018-19 onwards has been taken from the DBATU official website and presented for the Bachelor of Technology students. For Subject Code, Course Title, Lecutres, Tutorials, Practice, Credits, and other information, do visit full semester subjects post given below.
For 7th Sem Scheme of Electrical Engineering (EE), 2018-19 Onwards, do visit EE 7th Sem Scheme, 2018-19 Onwards. For the Elective-IX scheme of 7th Sem 2018-19 onwards, refer to EE 7th Sem Elective-IX Scheme 2018-19 Onwards. The detail syllabus for special purpose electrical machines is as follows.
Special Purpose Electrical Machines Syllabus for Electrical Engineering (EE) 4th Year 7th Sem 2018-19 DBATU
Pre-requisite:
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Course Outcomes:
- To study design and operating principle of stepper motor, hysteresis motor, eddy current devices , linear motors, Tacho generators, synchro and synchro transformers.
Unit 1
Stepper Motor: Basic principle of working of stepper motor, Classification of stepper motor into: I) Variable reluctance stepper motor II) Single stack and multi-stack reluctance motors III) Permanent magnet and operated Stepper motor IV) Hybrid D.C. Stepper motors V) Electro hydraulic stepper motors VI) Linear stepper motors. Theory of operation of stepper motors and their characteristics, Terminologys related to stepper motors, Driving circuits and applications of stepper motors, Relative merits as a control device.
Unit 2
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Unit 3
Eddy Current Devices: Construction and operation of eddy current couplings and dynamometers, merits and limitations.
Unit 4
Tacho-Generators: Basic requirements of tacho-generators, Ideal characteristics, classification. I) D.C. Tacho Generators: Output characteristics, Deviation from no-load Characteristics, Dead-zone, Tooth ripples, Temperature effect, Accuracy class. II) Induction Tacho-generators: Operating principle, Output characteristics, Equivalent circuit, Reasons for deviation from desired characteristics, Corrective means, Advantages. III) A. C. Tacho-generators: Construction and operation, Output characteristics, Non-linearities and tooth ripples, Advantages over other tacho-generators. Dynamic characteristics of tachogenerators, Applications of tacho-generators
Unit 5
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Unit 6
Linear Motors: Construction, Theory of operation of a linear induction motor, System with two-dimensional and three dimensional field patterns, Performance of linear induction motors, Effect of variation in the air gap, Effect of width and thickness of the reaction plate, Thrust of linear induction motors, Applications.
Reference Book:
- Bhimbhra P. S., Electrical Machine and Power Electronics Tata-McGraw Hill Publication.
- Ogata K., Modem control Engineering, Prentice Hall
For detail syllabus of all subjects of Electrical Engineering (EE) 7th Sem 2018-19 onwards, visit EE 7th Sem Subjects of 2018-19 Onwards.