WBCS Exe Etc Exam Main Optional Subject Electrical Engineering Syllabus

Paper – I :

Electrical Circuits and Network :

Circuit components, network graphs, KCL, KVL.Continue Reading WBCS Exe Etc Exam Main Optional Subject Electrical Engineering Syllabus.
Circuit analysis methods : nodal analysis/mesh analysis, basic network theorems and applications.Shift resistors,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 oftransducers 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, brush less DC motors, permanent magnet motors, single-phaseinduction 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 ACTransmission System (FACTS).
Power system protection : principles of overcurrent, differential and distance protection, protection of lines, transformers, busbars and generators.

principles of current interruption and arc quenching, restriking voltage, making capacityand 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, RandomProcess.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.

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