06EE846 - Computer Control Of Electrical Drives Regulation (2006 - 2007) |
PART – A |
UNIT – I REVIEW OF MICRO CONTROLLERS IN INDUSTRIAL DRIVES SYSTEM |
Typical Micro controller’s 8 bit 16 bit (only block diagram)
Digital Data Acquisition system, voltage sensors, current sensors, frequency
sensors and speed sensors.
|
UNIT – II EVOLUTION OF POWER ELECTRONICS IN DRIVES |
Power
semiconductors devices used for drives control, GTO, BJT, power MOSFET,
IGBT, MCT and IGCT structures, Ratings, comparison and their applications.
Block diagram of power integrated circuit for D C motor drives. |
UNIT – III A C MACHINE DRIVES |
general classification and National Electrical
Manufacturer Assocition (NEMA) classification, Speed control of Induction
motors with variable voltage constant frequency, constant voltage variable
frequency, (v/f) constant operation, drive operating regions. Variable stator
current operation. Effect of Harmonics. |
UNIT – IV SYNCHRONOUS MACHINE DRIVES |
Wound field machine,
comparison of Induction and wound field synchronous machines, Torque
angle characteristics of salient pole synchronous machines, synchronous
reluctance permanent magnet synchronous machines (SPM), variable
reluctance machines (VRM). |
PART – B |
UNIT – V PHASE CONTROLLED CONVERTERS |
Converter controls, Linear
firing angle control, cosine wave crossing control, phase locked Oscillator
principle, Electrro magnetic Interference (EMI) and line power quality
problems, cyclo converters, voltage fed converters, Rectifiers, Current fed
converters. |
UNIT – VI PRINCIPALS OF SLIP POWER RECOVERY SCHEMES |
Static
Kramer’s drive system, block schematic diagram, phasor diagram and
limitations, Static Scherbins scheme system using D.C link converters with
cyclo converter modes of operation, modified Scherbins Drive for variable
source, constant frequency (VSCF) generation |
UNIT – VII PRINCIPLE OF VECTOR CONTROL OF A C DRIVES |
Phasor
diagram, digital Implementation block diagram, Flux vector estimation,
indirect vector control block diagram with open loop flux control,
synchronous motor control with compensation. |
UNIT – VIII EXPERT SYSTEM APPLICATION TO DRIVES (ONLY BLOCK DIAGRAM) |
Expert system shell, Design methodology, ES based P-I tuning
of vector controlled drives system, Fuzzy logic control for speed controller in
vector control drives,, structure of fuzzy control in feedback system. |
REFERENCE |
TEXT BOOKS: |
1. “Power Electronics & Motor Drives”-Bimal Bose, Elsevier 2006.
2. “Modern Power Electronics & Drives”-Bimal K. Bose, Pearson
Education 2003.
|
REFERENCE BOOKS: |
1. “Advanced Microprocessor and Interfacing”- Badri Ram TMH.
|