Kerala PSC Sub Engineer Electrical Syllabus | KSEB Sub Engineer Electrical Syllabus
| Module I (16 Marks) |
| Fundamental Laws and Electric Circuits – Ohm’s Law, Kirchoff’s laws, Laws of resistance, effect of temperature on resistance-problems.
Series and Parallel circuits – Effective resistance, determine the unknown value of current and voltage in any branch |
| Network theorems in DC circuits – Superposition theorem, Thevenin’s theorem, Norton’s theorem, Reciprocity theorem, Maximum power transfer theorem-problems. |
| Concepts of power and Energy – single phase and three phase powers- problems, energy consumed for a specific duration-problems. |
| Electrostatics and Electromagnetism – Laws of electrostatics, absolute and relative permittivity, electric field, field strength, flux density, potential at a point. Charging and discharging of capacitors, various combinations of capacitors, energy stored in a capacitor-problems.
Coulomb’s Laws of electromagnetism, magnetic permeability, flux, flux density, reluctance, mmf, B-H curve, Faraday’s laws of electromagnetic induction, statically and dynamically induced emf, energy stored in an inductor, lfiting power of an electromagnet problems. |
| Electrical measuring instruments – Classification of measuring instruments, various torques, MI and MC types ammeters and voltmeters, measurement of power, energy, resistance, inductance and capacitance, frequency, power factor, time period, phase and phase angle. |
| Electrical engineering materials – conducting materials, semiconductors, magnetic materials and insulators. |
| Module II (20 marks) |
| Power-Definition-Equations for three phase and single phase. Power triangle-power factor-cause and effect of low power factor- methods for pf improvement-equipment for pf correction-problems. Energy-Definition- Units. Power generating stations – Classification-Equipment- Selection of site. Tariff- Types- Determination of Energy cost based on tariff. Base load- Peak load- Connected load- Maximum demand-Demand factor – load factor – Diversity factor – load curve. Interconnection of power systems- problems. |
| Transmission lines – classification – types of conductors and insulators. Causes of insulator failure. Supporting structures – sag – string efficiency – problems. Transmission line parameters- transposition-line losses- efficiency – regulation – problems. Ferranti effect –corona-skin effect. Feeder –distributor-service mains. Distribution – Overhead (OH) and Underground (UG) distribution system – UG cable laying methods. |
| Relays and circuit breakers – Classification – construction – operating principle – characteristics – protection schemes. Lightning arrestors – Earth connection – Earth resistance values for houses, small substations, large sub stations and generating stations. |
| Laws of Electrolysis – applications – Electric welding – Types. Electric heating – Electric Traction – speed time curves – traction effort – specific energy consumption – Energy output at drive axle – Problems. Electric braking. |
| Conventional and Non conventional energy sources. Classification – Solar energy production-collection-storage-applications. Wind energy –production, collection and storage systems. |
| Module III (16 Marks) |
| Measuring Instruments – Classification – working principle – torques – errors- range – extension – voltage – current –single phase and three phase power – energy measurements and measuring instruments – Megger – Insulation tester. Measurement of resistance – Wheatstone’s bridge – Volt Ampere method – Potentiometer method. Cable fault detection using Murray and Varley loop tests. Measurements of inductance and capacitance – Maxwell’s bridge, Anderson bridge – Schering Bridge Problems. Cathode ray oscilloscope- Synchro scope – Frequency meter – TOD meter – Digital meters for voltage, current, frequency measurements. Sensors and Transducers used for electrical measurements. |
| Types of wires – cables – switch –fuse. Ratings of wiring accessories – selection of wiring accessories – specifications – applications. Domestic and industrial wiring schemes – IE rules – IS codes – Circuits and sub circuits. Laws of illumination- lighting schemes –illumination levels – space to height ratio –depreciating factor – Utilization factor – Lighting calculation for buildings and open spaces – problems. Types of lamps used for illumination. |
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