Uttar Pradesh Public Service Commission

Uttar Pradesh Public Service Commission

Combined State Engineering Service Special Recruitment Examination - 2007 and Combined State Engineering Service General Recruitment Examination – 2007

Electrical Engineering

PAPER-I

This paper will contain two sections (A&B). Section A will contain Networks and systems, E.M. Theory, Control Systems, and Elements of Electronics. Section B will deal with Power System Analysis and Design, Elements of Electrical Machines, Utilization and drives, and Measurements.

Section - A

Networks and Systems: Transient and steady state analysis of systems, state space analysis of networks, operational methods in networks and systems, Laplace Fourier and Z transforms for continuous and discrete system, Frequency response of continuous and discrete systems, response characteristics and stability, R-L & R.C. network synthesis.

E.M. Theory: Analysis of electrostatic and magnetostatic fields Laplace, Position and Maxwells equations, solution of boundary value problems, electromagnetic wave propagation ground and space waves Propagation between Earth station and satellites, Field Concepts of Circuits.

Control Systems: Mathematical modelling of dynamic linear continuous and digital control systems, Block diagrams and signal flow graphs, state space modelling and stability, Errorevaluation, Error series compensation Liapunov methods for stability. Elements of Electronics: P-N junction diode, Zener Diode, junction triode transistors and their parameters, current, voltage gain and input-output impedance, biasing techniques common base, emitter amplifiers, feed back oscillator coalpit oscillator and Hartley oscillator, Wave shaping circuits and timebase generators, analysis of multivibrators, digital circuits.

Section - B

Power System Analysis and Design: Line parameters and calculations, Performance of Transmission lines, voltage distribution over an Insulator string, string efficiency improvement, sag and tension calculations, conductor vibrations, Disruptive and visual Critical Voltage Coronaloss, Interference between Power and Communication Line, Parameters of single and three core belted cables Bus admittance matrix, Load flow equations and methods of solutions, fast decoupled load flow, Balance and Unbalanced Faults and analysis, Digital techniques in Fault Calculations, Power system transients and Travelling Waves, Power system stability, EHV Transmission, HVDC transmission general design considerations for distribution systems, Design of transmission lines.

Elements of Electrial Machines: Generation of E.m.f., m.m.f. and torque in rotating machines, motor and generator characteristics of d-c, synchronous and Induction Machine, equivalent circuits, commutation and armature reaction considerations, Parallel operation, phasor and equivalent circuit of power transformer, determination of performance and efficiency, auto-transformers, 3-phase transformers.

Utilisation and Drives: Electrical motors for various drives and estimates of their rating, starting, Braking and reversing operations of motors, speed control of d-c and induction motors static power controllers and Electronic circuits for speed control, Inverters and conversers, characteristics of Traction motors, Dielectric and Induction Heating.

Measurements: Basic methods of measurement, standards, error analysis, Indicating and recording instruments, measurement of voltage, current, power, resistance, inductance, capacitance power factor, frequency and flux, Instrumentation systems for pressure and temperature measurements.

PAPER-II

This paper will contain two sections (A &B) Section A will contain Industrial Electronics, digital electronics, microwaves and communication system. Section B will deal with Electrical and special machines, Power system protection, Analog and Digital Computation and Elements of Microprocessors.

Section - A

Industrial Electronics: Principles and design of single phase and polyphase rectifiers, smoothing and Filters regulated power supplies, speed control circuits for drivers, inventors, d-c to d-c conversion, choppers times and welding, circuits.

Digital Electronics: Small Signal Transistor Analysis, Steady State and Transient switching characteristics of semiconductor devices, clipping, clamping and switching circuits, Multivibrators Boolean Algebra, logic gates, I.C. building blocks and modules, combinational and sequential digital circuits, semiconductor memories.

Microwaves and Communication Systems: Electromagnetic wave in guided media, wave guide components, resonators, microwave tubes, microwave generators and amplifiers. Generation and detection of amplitude-frequency-phase and pulse modulated signals using oscillators, modulators and demodulators, comparison of modulated systems, noise problems, channel efficiency, sampling Theorem, Sound and Vision Broadcast transmitting and receiving systems, antennas, transmission line at audio and ultrahigh frequencies.

Section - B

Electrical and Special Machines: Rotating magnetic field, Polyphase motor, Torque slip Characteristics, Equivalent Circuit and determination of its parameters, starters, speed control, Induction generator Theory and phasor diagrams, characteristics and application of single phase motors, repulsion motor, series motor E.m.f. equation and phasor diagram for synchronous machines, operation on Infinite Bus, synchronising power, sudden short circuit and analysis of oscillogram to determine machine reactances and time constants, synchronous Induction motor, Amplidyne and metadyne operating characteristics and their applications, principles and operation of servo motors.

Power System Protection: Switch gear methods of Arc Extinction, Restriling and recovery voltage, Testing of circuit breakers, Protective relays, protective schemes for power system equipment, CT. and P.T. surges in transmission lines and protection. Analog and Digital Computation:- Analysis of op-amplifier R.C. circuits, use as differentiator and Integrator, simulation of dynamic and algebraic equations, simulation of control systems, Basis of digital computation, flow charting, numerical analysis for interpolation curve fitting, area, algebraic linear and nonlinear equations, solution of differential equations through Euler and Rung Kutta Methods, Writing simple programms for series in AT, CV, HE and combination, quadratic equation roots Programes for matrix addition, multiplication and determinants, curve fiting interpolation, area linear and non-linear equation, differential equations of first and second order.

Elements of Microprocessors: Data representation and representation of intiger and floating point numbers, organisation and programming of a microprocessor, ROM and RAM memories, CPU of a microcomputer. Interfacing memory and I/O devices, Programmable peripheral and communication interface, Application of microprocessors for a temperature, closed loop process control and data acquisition monitoring system.