Download PhD Entance Examination Syllabus

PhD Entance Examination Syllabus
ELECTRICAL & ELECTRONICS ENGINEERING
Electrical Machines
Single phase transformers: equivalent circuit, phaser diagram, tests, regulation
and efficiency; three phase transformers: connections, parallel operation, auto
transformer and three winding transformer, principles of energy conversion,
rotating machines; DC generators and motors, speed control, three phase
induction motors, performance characteristics, starting and speed control, single
phase induction motors, synchronous generators; performance, regulation,
parallel operation, synchronous motors, fractional phase power motors,
permanent magnet stepper motors.
Power System
Electric power generation - conventional and non-conventional. Transmission line
parameters, performance of overhead transmission lines and cables, surge
propagation, distribution system, insulators, bundle conductors, corona, radio
interference, load flow, voltage control and power factor control, compensation
techniques, economic operation, symmetrical and unsymmetrical faults, principles
of over current, differential and distance protection, solid state relays and digital
protection, circuit breakers, concepts of system stability swings, HVDC
transmission.
Control System
Feedback systems, transfer function, block diagrams, steady state errors, stability
– Routhand Nyquist criterion, Bode plot, Root locus plot, state space
representation and solution of continuous time and discrete time systems,
properties of signals and systems, pole zero concept canonical models and MIMO
systems. Non-linear systems, Lyapinov’s Stability Criterion, compensation
techniques. Laplace, Fourier transforms, digital signal processing and signal
control.
Power Electronics and Drives
Semiconductor power devices, diodes, BJT, FET, SCR, triacs, GTOs, MOSFETs,
IGBTs – static characteristics and principles of operation, triggering, protection
and commutation circuits. Phase control rectifiers, DC-DC converters, inverters,
PWM inverters, resonant pulse inverters, multilevel inverters, AC voltage
controllers, DC drives – DC-DC converter drives, AC drives – induction motor
drives.
Analog and Digital Electronics
Characteristics of diodes, BJT, FET amplifiers and feedback amplifiers, opamplifiers – characteristics and applications, simple active filters, VCOs and
timers, combinational and sequential logic circuits, multiplexer, Schmitt trigger,
multivibrators, sample and holed circuits, A/D and D/A converters,
microprocessors – 8085 and its applications.
Electrical and Electronic Measurements
PMMC, moving iron, induction type instruments, measurements of voltage,
current, power, energy and power factor, instrument transformers, digital
voltmeters and multimeters; phase, time and frequency measurement, Q-meter,
oscilloscopes; recorders, error analysis.
Electric Circuits and Fields
Network graph, KCL, KVL, node/cut set mesh/tie set analysis, AC, DC networks,
transient and steady state analysis, resonance in electrical circuits, ideal voltage
and current sources, network theorems, driving point immittance, and transfer
functions of two port networks, concept of filters, three phase circuits, Fourier
series and its applications, Gauss theorem, electric field intensity and potential
due to point, line and plane and spherical charge distribution, dielectrics,
capacitance calculations. Ampere’s and Biot Savart’s law, inductance calculations.