Engineering Entrance Exam (IES)

IES notification is out, and the details are available at upsc.gov.in.

Here is the syllabus for Electrical Engineering!

ELECTRICAL ENGINEERING

(For both objective and conventional

types papers)

PAPER - I

1. EM Theory

Electric and magnetic fields. Gauss’s Law and Amperes Law. Fields in dielectrics, conductors and
magnetic materials. Maxwell’s equations. Time varying fields. Plane-Wave propagating in dielectric and
conducting media. Transmission lines.

2. Electrical Materials

Band Theory, Conductors, Semi-conductors and Insulators. Super-conductivity. Insulators for electrical
and electronic applications. Magnetic materials. Ferro and ferri magnetism. Ceramics, Properties and
applications. Hall effect and its applications. Special semi conductors.

3. Electrical Circuits

Circuits elements. Kirchoff’s Laws. Mesh and nodal analysis. Network Theorems and applications.
Natural response and forced response. Transient response and steady state response for arbitrary
inputs. Properties of networks in terms of poles and zeros. Transfer function. Resonant circuits.
Threephase circuits. Two-port networks. Elements of two-element network synthesis.

4. Measurements and Instrumentation

Units and Standards. Error analysis, measurement of current, Voltage, power, Power-factor and
energy. Indicating instruments. Measurement of resistance, inductance, Capacitance and frequency.
Bridge measurements. Electronic measuring instruments. Digital Voltmeter and frequency counter.
Transducers and their applications to the measurement of nonelectrical quantities like temperature,
pressure, flow-rate displacement, acceleration, noise level etc. Data acquisition systems. A/D and D/A
converters.

5. CONTROL SYSTEMS

Mathematical modelling of physical systems. Block diagrams and signal flow graphs and their reduction.
Time domain and frequency domain analysis of linear dynamical system. Errors for different type of
inputs and stability criteria for feedback systems. Stability analysis using Routh-Hurwitz array, Nyquist
plot and Bode plot. Root locus and Nicols chart and the estimation of gain and phase margin. Basic
concepts of compensator design. State variable matrix design. Sampled data system and performance
of such a system with the samples in the error channel. Stability of sampled data system. Elements
of non-linear control analysis. Control system components, electromechanical, hydraulic, pneumatic
components.

PAPER - II

1. Electrical Machines and Power Transformers

Magnetic Circuits - Analysis and Design of Power transformers. Construction and testing. Equivalent
circuits. Losses and efficiency. Regulation. Auto-transformer, 3-phase transformer. Parallel operation.
Basic concepts in rotating machines.EMF, torque, basic machine types. Construction and operation,
leakage losses and efficiency. D.C. Machines. Construction, Excitation methods. Circuit models.
Armature reaction and commutation. Characteristics and performance analysis. Generators and motors.
Starting and speed control. Testing, Losses and efficiency. Synchronous Machines. Construction.
Circuit model. Operating characteristics and performance analysis. Synchronous reactance. Efficiency.
Voltage regulation. Salient-pole machine, Parallel operation. Hunting. Short circuit transients. Induction
machines. Construction. Principle of operation. Rotating fields. Characteristics and performance
analysis. Determination of circuit model. Circle diagram. Starting and speed control. Fractional KW
motors. Single-phase synchronous and induction motors.

2. Power systems

Types of Power Stations, Hydro, Thermal and Nuclear Stations. Pumped storage plants. Economics and
operating factors. Power transmission lines. Modeling and performance characteristics. Voltage control.
Load flow studies. Optimal power system operation. Load frequency control. Symmetrical short circuit
analysis. Z-Bus formulation. Symmetrical Components. Per Unit representation. Fault analysis. Transient
and steady-state stability of power systems. Equal area criterion. Power system Transients. Power
system Protection Circuit breakers. Relays. HVDC transmission.

3. ANALOG AND DIGITAL ELECTRONICS AND CIRCUITS

Semiconductor device physics, PN junctions and transistors, circuit models and parameters, FET,
Zener, tunnel, Schottky, photo diodes and their applications, rectifier circuits, voltage regulators
and Multipliers, switching behavior of diodes and transistors. Small signal amplifiers, biasing circuits,
frequency response and improvement, multistage amplifiers and feed-back amplifiers, D.C. amplifiers,
coupling methods, push pull amplifiers, operational amplifiers, wave shaping circuits. Multivibrators
and flipflops and their applications. Digital logic gage families, universal gates combinational circuits for
arithmetic and logic operational, sequential logic circuits. Counters, registers, RAM and ROMs.

4. MICROPROCESSORS

Microprocessor architecture-Instruction set and simple assembly language programming. Interfacing for
memory and I/O. Applications of Micro- processors in power system.

5. COMMUNICATION SYSTEMS

Types of modulation; AM, FM and PM. Demodulators. Noise and bandwidth considerations. Digital
communication systems. Pulse code modulation and demodulation. Elements of sound and vision
broadcasting. Carrier communication. Frequency division and time division multiplexing, Telemetry

system in power engineering.

6. POWER ELECTRONICS

Power Semiconductor devices. Thyristor. Power transistor, GTOs and MOSFETs. Characteristics and
operation. AC to DC Converters; 1-phase and 3-phase DC to DC Converters. AC regulators. Thyristor
controlled reactors; switched capacitor networks. Inverters; single-phase and 3-phase. Pulse width
modulation. Sinusoidal modulation with uniform sampling. Switched mode power supplies.