Electrical Engineering Syllabus... 2013

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Paper – I :

Electrical Circuits and Network :

Circuit components, network graphs, KCL, KVL.

Circuit analysis methods : nodal analysis/mesh analysis, basic network theorems and applications.

Transient analysis : RL, RC and RLC circuits.

Sinusoidal steady state analysis, resonant circuits and applications.

Coupled circuits and applications.

Balanced 3-phase circuits.

Two-port networks.

Signals & Systems :

Representation of continuous-time and discrete-time signals & systems, Analysis of signals & systems by Laplace Transform and Z-Transform, Poles & Zeroes, Fourier Transform, Sampling and Reconstruction of Signals, analysis of discrete time signals by DFT and FFT.

Field Theory :

Electric Field : Gauss‘s Integral Law, Electric Dipole Fields, Electric Polarisation and its relation to the Permittivity of Di-electric media. Gauss‘s Law in differential form. Poisson‘s and Laplace Equations in different co-ordinates. Energy stored in Electric Field.

Magnetic Field : Ampere‘s Law and Biot-Savart‘s Law, Faraday‘s Law of Electromagnetic Induction, Self & Mutual Inductance, Energy in Magnetic Field, Force due to Magnetic Field.

Maxwell‘s equations, Wave propagation in bounded media. Boundary Conditions. Reflection and Refraction of Plane Waves, Distributed Parameter circuits.

Analog & Digital Electronics :

Characteristics and equivalent circuits (large and small-signal) of Diode, BJT, JFET and MOSFET.
Diode circuits : Clipping, clamping and rectifiers.
Biasing and bias stability of BJT.
Amplifiers : Single and multi-stage, differential, operational, feed-back and power.
OPAMP circuits, Active Filters.
Sinusoidal oscillators : transistor and OPAMP configurations.
Function generators and wave-shaping circuits.
Boolean algebra; minimization of Boolean functions; logic gates.
Digital IC families (TTL,MOS,CMOS).
Combinational circuits : Arithmetic circuits, code converters, multi plexers and decoders.
Sequential circuits : latches and flip-flops, counters and shift-registers.
Comparators, timers, multivibrators. Sample and hold circuits, ADCs and DACs.
Semiconductor memories.
Logic implementation using MUX / DMUX and programmable devices (ROM, PLA, FPGA).

Measurement and Instrumentation :

Error analysis, measurement of current, voltage, power, energy, power-factor, resistance, inductance, capacitance and frequency, bridge measurement, Use of CT and PT.

Electronic measuring instruments : multimeter, CRO, digital voltmeter, frequency counter, Q-meter.

Transducers : Thermocouple, thermistor, RTD, LVDT, strain-gauge, piezo-electric crystal, use of transducers in measurements of non-electrical quantities.

Data acquisition systems.

Control System :

Elements of control systems, block-diagram representation, open-loop & closed-loop systems, principles and applications of feed-back.

LTI systems : time-domain and transform-domain analysis.

Stability : Routh Hurwitz criterion, root loci, Nyquist‘s criterion, Bode plots.

Design of lead-lag compensators.

Proportional, PI, PID controllers.

State-variable representation and analysis of control systems.

Principles of discrete-control system.

Microprocessors and Microcontrollers :

Microprocessor architecture, Address/Data and Control lines, Timing Diagram, Internal Registers, Interrupt mechanism (hardware/software), Memory interfacing, I/O interfacing, Programmable Peripheral devices, Microcontrollers and Embedded Processors – its architecture.



Paper – II :

Electrical Machines :

Principles of electromechanical energy conversion : Torque and emf in rotating machines.

DC machines : characteristics and performance analysis, starting and speed control of motors.

Transformers : principles of operation, analysis, regulation, efficiency. 3-phase transformers.

3-phase induction machines and synchronous machines : characteristics, performance analysis, starting, speed control and braking.

Special machines : Stepper motors, brushless DC motors, permanent magnet motors, single-phase induction motors, AC series motors.


Power Electronics & Electric Drives :

Semi-conductor power devices : diode, transistor, thyristor, triac, GTO and Power MOSFET – static characteristic and principles of operation.

Diode rectifiers, phase control rectifiers, triggering circuits.

Bridge converters: fully-controlled and half-controlled.

Principles of choppers and inverters. Basic concepts of speed control of dc and ac motor drives.

Linear power supplies and SMPS.


Power Systems and Protection :

Construction and parameters of overhead lines and underground cables,  and T models of lines, principles of active and reactive power transfer, per unit representation, load flow analysis, control of voltage, active and reactive power, frequency control, tie-line control, economic operation, analysis of symmetrical and unsymmetrical faults.

Concept of power system stability : rotor angle stability and voltage stability, swing equation, equal area criterion.

Line compensation, static VAR system, basic concepts of HVDC transmission and Flexible AC Transmission System (FACTS).

Power system protection : principles of overcurrent, differential and distance protection, protection of lines, transformers, busbars and generators.

Circuit breaker : principles of current interruption and arc quenching, restriking voltage, making capacity and breaking capacity, different types of circuit breakers.

Introduction to energy control centre : SCADA and RTUs.

Distribution system : radial and ringmain systems, calculation of voltage drop.


Analog & Digital Communication :

Signals and Spectra: properties of Signals and Noise.

Power Spectral Density and Autocorrelation, Random Signals, Random Process.

Analog modulation Techniques : AM, FM and PM.

Pulse Amplitude modulation and digital communication : PAM, Delta, ASK, FSK, PSK, MSK.

Performance of communication systems corrupted by Noise : signal-to-noise ratio, C/I ratio.


Energy Sources :

Present Electrical Power Scenario of West Bengal & India (Generation & Utilisation).

Main components of Thermal and Hydel Power Plant.

Basic theory of small Hydropower, Solar (thermal and photovoltaic), Wind & Bio-energy and other renewable sources.

Pollution from energy sources.

Energy Conservation & Storage.

Energy Management and Audit.


Electrical Utilisation & Illumination Engineering :

Electric heating. Resistance, Arc & Induction Furnaces - basic principles and application, Dielectric Heating - principles & application.

Radiometric and Photometric quantities, Laws of Illumination, Photometry.

Lamps : incandescent, discharge and solid-state types, their efficacies, features and applications.

Magnetic choke and glow starter operation in TL circuit. Difference between electronic and magnetic ballast.

Luminaire – its functions.

General indoor lighting design by Lumen method.