The electrical part of the Electrical Engineering Optional syllabus, from energy conversion and power electronics to power systems and protection, taught by Venkanna Sir.
The complete UPSC syllabus of each topic in this module.
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.
Semiconductor 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 inverters; basic concepts of speed control of DC and AC motor drives; applications of variable-speed drives.
Error analysis; measurement of current, voltage, power, energy, power factor, resistance, inductance, capacitance and frequency; bridge measurement. Signal conditioning circuits; electronic measuring instruments: multimeter, CRO, digital voltmeter, frequency counter, Q-meter, spectrum analyzer, distortion meter. Transducers: thermocouple, thermistor, LVDT, strain gauge, piezo-electric crystal.
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. Concept of system stability: swing curves and equal area criterion. Static VAR systems. Basic concepts of HVDC transmission.
Principles of overcurrent, differential and distance protection. Concept of solid state relays. Circuit breakers. Computer aided protection: introduction; line, bus, generator and transformer protection. Numeric relays and application of DSP to protection.
VAn NIT Warangal alumnus (B.Tech, 2003) who moved from VLSI engineering to teaching, Venkanna Sir brings rare technical depth to UPSC preparation, with over 15 years of guiding aspirants.
The complete Electrical Engineering Optional course covers all 14 topics of Paper I and Paper II: 238 hours, ₹55,000 for 1 year.
Install the BLACKBOARDLIVE app to watch free sample lectures and study this module securely, anytime.
