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SSC-JE Conventional 2019 (Paper-II) For Electrical Engineering

SSC-JE: Conventional 2019 (Paper-II) for Electrical Engineering book is designed to help those aspiring students, who wanted to strengthen their grasp and understanding of the concept regarding Electrical Engineering. The book covers questions of last 11 years since 2007  of SSC-JE Conventional Examinations. The book represents detailed explanations of each question with the help of derivations and diagrams. The book satisfies all requirements of students and boost their confidence for preparing SSC-JE Conventional as well as RPSC-AE Mains and other State Level Conventional Exams

Syllabus of SSC-JE Electrical Engineering

Electrical Machine
DC Machine – Construction, basic principles of DC motors and generators, their characteristics, speed control and starting of DC motors. Method of braking motor, losses and efficiency of DC machines.
Transformer – 1 phase and 3 phase transformers – construction, principles of operation, equivalent circuit, voltage regulation, O.C. and S.C. tests, losses and efficiency. Effect of voltage, frequency and wave form on losses. Parallel operation of 1 phase and 3 phase transformers. Auto transformers.
Induction Motor – 3 phase induction motors, rotating magnetic field, principle of operation, equivalent circuit, torque-speed characteristics, starting and speed control of 3 phase induction motors. Methods of braking, effect of voltage and frequency variation on torque speed characteristics. Fractional kilowatt motors and single phase induction motors – characteristics and applications.
Synchronous Machines – Generation of 3-phase e.m.f. armature reaction, voltage regulation, parallel operation of two alternators, synchronizing, control of active and reactive power. Starting and applications of synchronous motors.

Power System & Utilization
Generation, Transmission and Distribution – Different types of power stations, load factor, diversity factor, demand factor, cost of generation, inter-connection of power stations. Power factor improvement, various types of tariffs, types of faults, short circuit current for symmetrical faults. Switchgears – rating of circuit breakers. Principles of arc extinction by oil and air, H.R.C. fuses, protection against earth leakage / over current, etc. Buchholtz relay, Merz-Price system of protection of generators & transformers, protection of feeders and bus bars. Lightning arresters, various transmission and distribution system, comparison of conductor materials, efficiency of different system. Cable – different type of cables, cable rating and derating factor.
Estimation and Costing – Estimation of lighting scheme, electric installation of machines and relevant IE rules. Earthing practices and IE Rules.
Utilization of Electrical Energy – Illumination, electric heating, electric welding, electroplating, electric drives and motors.

Network Theory (Basic Electricity)
Basic Concepts – Concepts of resistance, inductance, capacitance and various factors affecting them. Concepts of current, voltage, power, energy and their units.
Circuit Law – Kirchhoff‘s law, simple circuit solution using network theorems.
Magnetic Circuit – Concepts of flux, mmf, reluctance, different kinds of magnetic materials, magnetic calculations for conductors of different configuration e.g. straight, circular, solenoidal, etc. Electromagnetic induction, self and mutual induction.
AC Fundamentals – Instantaneous, peak, R.M.S. and average values of alternating waves, representation of sinusoidal wave form, simple series and parallel AC Circuits consisting of R.L. and C, resonance, tank circuit. Poly phase system – star and delta connection, 3 phase power, DC and sinusoidal response of R – Land R – C circuit.

Basic Electronics
Working of various electronic devices e.g. P N junction diodes, transistors (NPN and PNP type).

Electrical Measurement & Instrumentation
Measurement of power (1 phase and 3 phase, both active and re-active) and energy, 2 wattmeter method of 3 phase power measurement. Measurement of frequency and phase angle. Ammeter and voltmeter (both moving oil and moving iron type), extension of range wattmeter, multimeters, megger, energy meter AC bridges. Use of CRO, signal generator, CT, PT and their uses. Earth fault detection.

SSC-JE Conventional 2019 : Electrical Engineering

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