Electrical Technology (ECE 2-1)

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(15A02306) ELECTRICAL TECHNOLOGY

Objective:
Electrical Technology contains Single phase transformers, Induction motors, DC generator and motors which are widely used in industry are covered and their performance aspects will be studied.
Outcome:
After going through this course the student gets a thorough knowledge on DC Motors & Generators, Transformers and Induction motors with which he/she can able to apply the above conceptual things to real-world problems and applications.

Syllabus:
UNIT- I DC GENERATORS
D.C. Generators – Principle of Operation – Constructional Features – E. M.F Equation Numerical Problems – Methods of Excitation – Separately Excited and Self Excited Generators – Build-Up of E.M.F - Critical Field Resistance and Critical Speed - Load Characteristics of Shunt, Series and Compound Generators- Applications

UNIT – II D.C. MOTORS
D.C Motors – Principle of Operation – Back E.M.F. –Torque Equation – Characteristics and Application of Shunt, Series and Compound Motors-Speed Control of D.C. Motors: Armature Voltage and Field Flux Control Methods. Three Point Starter-Losses – Constant & Variable Losses – Calculation of Efficiency - Swinburne’s Test.

UNIT-III SINGLE PHASE TRANSFORMERS
Single Phase Transformers - Constructional Details- Emf Equation - Operation on No Load and on Load - Phasor Diagrams-Equivalent Circuit - Losses and Efficiency-Regulation- OC and SC Tests – Sumpner’s Test - Predetermination of Efficiency and Regulation.

UNIT-IV 3-PHASE INDUCTION MOTORS
Polyphase Induction Motors-Construction Details of Cage and Wound Rotor Machines- Principle of Operation – Slip- Rotor Emf and Rotor Frequency - Torque Equation- Torque Slip Characteristics.

UNIT – V SYNCHRONOUS MACHINES
Principle And Constructional Features of Salient Pole and Round Rotor Machines – E.M.F Equation- Voltage Regulation by Synchronous Impedance Method- Theory of Operation of Synchronous Motor.

Study Material's for ELECTRICAL TECHNOLOGY
2 Mark's for 5 Units of Electrical Technology: Download
Lecture Notes for 5 Units(According to JNTUA R15 ): Download
Text Book- Electric Machinery: Download

 Note:Lecture Notes mean it's not a hand written notes ,it's a typed in word document and then converted it into a pdf.

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