ELECTRICAL ENGINEERING SYLLABUS

Syllabus for the OPTIONAL Paper ‘ELECTRICAL ENGINEERING’ for the IAS Main Examination is listed below. It consists of two parts: ‘ELECTRICAL ENGINEERING’* PAPER I* and ‘ELECTRICAL ENGINEERING’* PAPER II*. PAPER I contains 8 topics while PAPER II contains 6 topics.

**PAPER – I ELECTRICAL ENGINEERING SYLLABUS**

PAPER I of Electrical Engineering contains 8 topics.

**TOPIC 1: Circuits—Theory **

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; coupled circuits; balanced 3-phase circuits. Two-port networks.

**Material that should be used to prepare this topic.**

**KVV Murthy & MS Kamath –** Basic Circuit Analysis

**Abhijit Chakrabarti –** Circuit Theory: Analysis and Synthesis

**BL Theraja & Dr RS Sedha –** Principles of Electronic Devices and Circuits

**TOPIC 2: Signals and Systems**

Representation of continuous-time and discrete-time signals and systems; LTI systems; convolution; impulse response; time-domain analysis of LTI systems based on convolution and differential/difference equations. Fourier transform, Laplace transform, Z-transform, Transfer function. Sampling and recovery of signals DFT, FFT Processing of analog signals through discrete-time systems.

**Material that should be used to prepare this topic.**

**IJ Nagrath & Gopal –** A textbook of Control Systems Engineering

**Alan V Oppenheim, Alan S Willsky & S Hamid Nawab –** Signals and Systems

**TOPIC 3: E.M. Theory**

Maxwell’s equations, wave propagation in bounded media. Boundary conditions, reflection and refraction of plane waves. Transmission lines: travelling and standing waves, impedance matching, Smith chart.

**Material that should be used to prepare this topic. **

**RN Singh –** Electromagnetic Waves and Fields

**Edward C Jordan & Keith G Balmain –** Electromagnetic Waves and Radiating Systems

**Namapaneni Narayan Rao –** Elements of Engineering Electromagnetics

**TOPIC 4: Analog Electronics**

Characteristics and equivalent circuits (large and small- signal) of Diode, BJT, JFET and MOSFET. Diode circuits : Clipping, clamping, rectifier. Biasing and bias stability. FET amplifiers. Current mirror; Amplifiers : single and multi-stage, differential, operational feedback and power. Analysis of amplifiers; frequency-response of amplifiers. OPAMP circuits. Filters; sinusoidal oscillators : criterion for oscillation; single- transistor and OPAMP configurations. Function generators and wave-shaping circuits. Linear and switching power supplies.

**Material that should be used to prepare this topic. **

**JB Gupta – **Basic Analog Electronics

**TOPIC 5: Digital Electronics**

Boolean algebra; minimisation of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinational circuits : arithmetic circuits, code converters, multiplexers 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 programmable devices (ROM, PLA, FPGA).

**Material that should be used to prepare this topic. **

**Betty Lincoln –** Introduction to Digital Electronics

**VK Mehta & Rohit Mehta – **Principles of Electronics

**TOPIC 6: Energy Conversion**

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 and analysis; regulation, efficiency; 3-phase transformers. 3-phase induction machines and synchronous machines: characteristics and performance analysis; speed control.

**Material that should be used to prepare this topic. **

**D Yogi Goswami &Frank K Reith – **Energy Conversion

**JB Gupta – **A Course in Electrical Power

**Ashfaq Hussain & Haroon Ashfaq –** Fundamentals of Electrical Engineering

**BL Theraja & AK Theraja –** A Textbook of Electrical Technology

**TOPIC 7: Power Electronics and Electric Drives**

Semi-conductor power devices: diode, transistor, thyristor, triac, GTO and MOSFET-static characteristics and principles of operation; triggering circuits; phase control rectifiers; bridge converters : fully-controlled and half- controlled; principles of thyristor choppers and inverters; DC- DC converters; Switch mode inverter; basic concepts of speed control of dc and ac motor drives applications of variable- speed drives.

**Material that should be used to prepare this topic. **

**VK Mehta & Rohit Mehta – **Principles of Electronics

**BL Theraja & AK Theraja –** A Textbook of Electrical Technology

**TOPIC 8: Analog Communication **

Random variables: continuous, discrete; probability, probability functions. Statistical averages; probability models; Random signals and noise: white noise, noise equivalent bandwidth; signal transmission with noise; signal to noise ratio. Linear CW modulation: Amplitude modulation: DSB, DSB-SC and SSB. Modulators and Demodulators; Phase and Frequency modulation: PM & FM signals; narrows band FM; generation & detection of FM and PM, Deemphasis, Preemphasis. CW modulation system: Superhetrodyne receivers, AM receivers, communication receivers, FM receivers, phase locked loop, SSB receiver Signal to noise ratio calculation or AM and FM receivers.

**Material that should be used to prepare this topic. **

**BP Lathi – **Modern Digital and Analog Communication Systems

**David Middleton –** Topics in Communication Theory

**GK Mithal –** Radio Engineering: Principles of Communicaton Systems

**PAPER II – ELECTRICAL ENGINEERING SYLLABUS**

PAPER II of Electrical Engineering contains 6 topics.

**TOPIC 1: Control Systems**

Elements of control systems; block-diagram representations; open-loop & closed-loop systems; principles and applications of feed-back. Control system components. LTI systems: time-domain and transform-domain analysis. Stability: Routh Hurwitz criterion, root-loci, Bode-plots and polor plots, Nyquist’s criterion; Design of lead-lad compensators. Proportional, PI, PID controllers. State-variable representation and analysis of control systems.

**Material that should be used to prepare this topic. **

**Katsuhiko Ogata –** Modern Control Engineering

**TOPIC 2: Microprocessors and Microcomputers**

PC organisation; CPU, instruction set, register settiming diagram, programming, interrupts, memory interfacing, I/O interfacing, programmable peripheral devices.

**Material that should be used to prepare this topic. **

**Ramesh Gaonkar –** Microprocessor, Architecture, Programming and Applications with the 8085

**ME Van Valkenburg –** Network Analysis

**Nandita DasGupta & Amitava DasGupta –** Semiconductor Devices: Modelling and Technology

**Someshwar C Gupta, Jon W Bayless & Behrouz Peikari –** Circuit Analysis: With Computer Applications to Problem Solving

**TOPIC 3: Measurement and Instrumentation**

Error analysis; measurement of current voltage, power, energy, power-factor, resistance, inductance, capacitance and frequency; bridge measurements. Signal conditioning circuit; Electronic measuring instruments : multimeter, CRO, digital voltmeter, frequency counter, Q-meter, spectrum-analyser, distoration-meter. Transducers : thermocouple, thermistor, LVDT, strain-guage, piezo-electric crystal.

**Material that should be used to prepare this topic. **

**JB Gupta – **A Course in Electrical Power

**Ashfaq Hussain & Haroon Ashfaq –** Fundamentals of Electrical Engineering

**TOPIC 4: Power Systems: Analysis and Control**

Steady-state performance of overhead transmission lines and cables; principles of active and reactive power transfer and distribution; per-unit quantities; bus admittance and impedance matrices; load flow; voltage control and power factor correction; economic operation; symmetrical components, analysis of symmetrical and unsymmetrical faults. Concepts of system stability : swing curves and equal area criterion. Static VAR system. Basic concepts of HVDC transmission.

**Material that should be used to prepare this topic. **

**DP Kothari & IJ Nagrath – **Power System Engineering

**CL Wadhwa –** Electrical Power Systems

**TOPIC 5: Power System Protection**

Principles of overcurrent, differential and distance protection. Concept of solid state relays. Circuit brakers. Computer aided protection : introduction; line, bus, generator, transformer protection; numeric relays and application of DSP to protection.

**Material that should be used to prepare this topic. **

**DP Kothari & IJ Nagrath – **Power System Engineering

**CL Wadhwa –** Electrical Power Systems

**BL Theraja & Dr RS Sedha –** Principles of Electronic Devices and Circuits

**TOPIC 6: Digital Communication**

Pulse code modulation (PCM), defferential pulse code modulation (DPCM), delta modulation (DM), Digital modulation and demodulation schemes : amplitude, phase and frequency keying schemes (ASK, PSK, FSK). Error control coding : error detection and correction, linear block codes, convolation codes. Information measure and source coding. Data networks, 7-layer architecture.

**Material that should be used to prepare this topic. **

**BP Lathi –** Modern Digital and Analog Communication Systems

**GK Mithal –** Radio Engineering: Principles of Communication Systems