JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Basic Electrical Engineering, AC & DC Motor characteristics, Speed controls, Starting principles, Selection of proper motors for various applications. Special Purpose Electrical Machines:- Induction generators self excitation requirements, steady state analysis, voltage regulation, different methods of voltage control, application to mini and micro hydel systems.

UNIT - II

Doubly fed induction machines:- control via static converter, power flow, voltage/frequency control (generation mode), application to grid connected wind and mini/micro hydel systems. Switched Reluctance Motor: Construction, operating performance, control and applications. Brushless DC Machines: construction operation, performance, control and applications.

UNIT - III

Linear Machines:- Linear Induction Machines and Linear Synchronous Machines. Construction, operation, performance, control and applications. Application of permanent magnets in electrical machine:- structure, magnetic materials used, types of motors e.g. PMDC and PM Synchronous Machine, control and applications. Recent developments in electrical machines.

UNIT - IV

Basic Electronics, Diodes, Transistor configurations, SCR Controls, FET, UJT, A/D Conversion, D/A Conversion, Optoelectronic devices: photo diode/transistor, LDR, LED and LCD and PLASMA displays, opto-coupler, opto-interrupter, high speed detectors – PIN and avalanche photo diodes, DC Power Supplies, AC Power Supplies, Special operational amplifiers, Timing and counting circuits

UNIT - V

Digital Control Theory :- Basic Digital concepts, Structure of a computer controlled system. Review of Z-transform. Computation of time response of Discrete Data system. Bilinear Transformation. W- plane, prewar ping, inverse transformation.Design of discrete controllers. Z-domain compensation, w- plane compensation, state variable feedback, deadbeat controller sampled data version of PID controllers. Effect of Data Digitization.Effect of finite word size, limit cycle determination. Programmable logic devices: PLA, PLD, CPLD, FPGA and its application.

REFERENCE BOOKS:

• 1. Electrical Machines by P. S. Bimbra
• 2. Power Plant Management by Z. Aghoni
• 3. Power Electronics by P. S. Bimbra
• 4. Low Power Electronics by Allen Helberg
• 5. Micro Electronics by Sedra Smith