UPSC Mains Exam Syllabus of Electrical Engineering
Last Updated: Feb 21, 2015
Paper – I
Signals & Systems:
Representation of continuous–time and discrete-time signals & frameworks;
LTI frameworks; convolution; motivation reaction; time-space examination of LTI frameworks taking into account convolution and differential/distinction mathematical statements. Fourier change, Laplace change, Z-change, Transfer capacity. Inspecting and recuperation of signs DFT, FFT Processing of simple flags through discrete-time frameworks.
Power Electronics and Electric Drives:
Semiconductor power gadgets:
diode, transistor, thyristor, triac, GTO and MOSFET–static attributes and standards of operation; activating circuits; hase control rectifiers; span converters: completely controlled and half-controlled; standards of thyristor choppers and inverters; DC-DC converters; Switch mode inverter; essential ideas of velocity control of DC and AC Motor drives utilizations of variable-rate drives.
Vitality Conversion:
Principles of electromechanical vitality transformation:
Torque and emf in turning machines.
DC machines:
attributes and execution examination; beginning and pace control of engines; Transformers: standards of operation and investigation; regulation, effectiveness; 3-stage transformers. 3-stage prompting machines and synchronous machines: qualities and preformance investigation; velocity control.
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Simple Electronics:
Characteristics and proportionate circuits (extensive and little flag) of Diode, BJT, JFET and MOSFET.
Diode circuits: cutting, clasping, rectifier. Biasing and inclination soundness.
FET intensifiers. Current mirror; Amplifiers: single and multi-stage, differential, operational, input and force. Investigation of enhancers; frequencyresponse of speakers. OPAMP circuits.
Channels; sinusoidal oscillators: standard for wavering; single-transistor and OPAMP arrangements. Capacity generators and wave-molding circuits. Direct and exchanging force supplies.
E.M. Hypothesis: Maxwell’s comparisons, wave engendering in limited media. Limit conditions, reflection and refraction of plane waves. Transmission line: voyaging and standing waves, impedance matching, Smith diagram.
Computerized Electronics: Boolean polynomial math; minimization of Boolean capacities; rationale doors; advanced IC families (DTL, TTL, ECL, MOS, CMOS).
Combinational circuits: number juggling circuits, code converters, multiplexers and decoders. Consecutive circuits: hooks and flip-tumbles, counters and movement registers.
Comparators, clocks, multivibrators. Test and hold circuits, ADCs and DACs. Semiconductor memories. Rationale usage utilizing programmable gadgets (ROM, PLA, FPGA).
Circuit Theory: Circuit parts; system charts; KCL, KVL; circuit investigation systems: nodal examination, network investigation; essential system hypotheses and applications; transient investigation: RL, RC and RLC circuits; sinusoidal relentless state examination; full circuits; coupled circuits; adjusted 3-stage circuits; Two-port systems. Simple Communication: Random variables: persistent, discrete; likelihood, likelihood capacities.
Factual midpoints; likelihood models; Random flags and commotion: background noise, proportionate data transfer capacity; signal transmission with clamor; sign to commotion degree.
Straight CW balance:
Amplitude regulation:
DSB, DSB-SC and SSB. Modulators and Demodulators; Phase and Frequency regulation: PM & FM signals; narrowband FM; era & recognition of FM and PM, Deemphasis, Preemphasis.
CW tweak framework: Superhetrodyne beneficiaries, AM recipients, correspondence collectors, FM beneficiaries, stage bolted circle, SSB collector Signal to clamor proportion estimation for AM and FM collectors.
Paper – II
Control Systems:
Elements of control frameworks; blockdiagram representation; open-circle & shut circle frameworks; standards and uses of criticism. Control framework segments.
LTI frameworks: time- omain and change space examination. Strength: Routh Hurwitz model, root-loci, Bodeplots and polar plots, Nyquist’s foundation; Design of lead-chap compensators.
Corresponding, PI, PID controllers. Statevariable representation and investigation of control frameworks. Chip and Microcomputers: PC association; CPU, direction set, register set, timing outline, programming, interferes with, memory interfacing, I/O interfacing, programmable fringe gadgets.
Estimation and Instrumentation: Error examination; estimation of current, voltage, power, vitality, force variable, safety, inductance, capacitance and recurrence; span estimation.
Sign molding circuit; Electronic measuring instruments: multimeter, CRO, advanced voltmeter, recurrence counter,
Q-meter, range analyzer, mutilation meter. Transducers: thermocouple, thermistor, LVDT, strain-gage, piezo-electric precious stone.
Power Systems:
Analysis and Control:
Steady-state execution of overhead transmission lines and links; standards of dynamic and responsive force exchange and circulation; every unit amounts; transport induction and impedance lattices; burden stream; voltage control and force element revision; financial operation; symmetrical segments, investigation of symmetrical and unsymmetrical shortcomings.
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Idea of framework soundness:
swing bends and equivalent region standard.
Static VAR framework. Essential ideas of HVDC transmission. Power System Protection: Principles of overcurrent, differential and separation insurance.
Idea of robust state transfers. Circuit breakers.
PC supported insurance: Introduction; line transport, generator, transformer assurance; numeric transfers and utilization of DSP to security.
Advanced Communication: Pulse code tweak (PCM), differential heartbeat code balance (DPCM), delta adjustment (DM), Digital regulation and demodulation plans: plentifulness, stage and recurrence keying plans (ASK, PSK, FSK).
Mistake control coding:
slip recognition and revision, direct square codes, convolution codes. Data measure and source coding. Information organizes, 7-layer construction model
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