APEPDCL JLM Syllabus 2021 PDF & Download Energy Assistant Grade-II Exam Pattern: Are you searching for APEPDCL JLM Syllabus? If Yes, You are in the right place. Andhra Pradesh Eastern Power Distribution Company Limited (APEPDCL) has officially released the Energy Assistants (Junior Linemen Grade-II) posts Recruitment. The candidates eagerly check and prepare for the examination. So, we provided the APEPDCL Energy Assistant Syllabus 2021 to score more marks in the APEPDCL Energy Assistant Exam. Not only the APEPDCL JLM Syllabus pdf you can also get the APEPDCL JLM Exam Pattern from this page. So, candidates can prepare for the APEPDCL JLM Exam 2021 without any disturbance. To the bottom of this page, you can easily get the APEPDCL Energy Assistant Syllabus 2021 & Exam Pattern For Subject Wise Syllabus in PDF Format. The candidates can use this article to get more marks and ideas about the examination.

APEPDCL JLM Syllabus PDF Download – Overview

APEPDCL Energy Assistant Exam Pattern 2021

APEPDCL Energy Assistant Syllabus 2021 PDF Download

ITI (Electrician), ITI (Wireman) and Inter Vocational Course (Electrical Technician)

Fundamentals of Electrical Engineering – Electric current-conductors- Semiconductors-Insulators, Electric potential resistance- laws of resistance, Effects of temperature on resistance, Ohms law, Resistances in series, parallel and Series-parallel, Kirchhoff’s laws.

Electro Magnetism – Introduction to magnets, Magnetic pole, magnetic axis, pole strength, Properties of magnets, Classification of magnets, Fleming left-hand rule, Field pattern of long straight conductor, solenoid.

Electro-Magnetic Induction – Concept of electro-magnetic induction Lenz’s law -Fleming’s right-hand rule, Faraday laws of electromagnetic induction-types of EMFs-dynamically and statically induced emf, Self and mutual induction.

Cells and Batteries – Chemical effects of electric current-faraday laws of electrolysis, Cells and their components-Definition of battery-Primary cells -defects and remedies, dry cell Secondary cell-comparison between primary cells and secondary cells, Lead-acid cell-principle and working of lead-acid cell detailed study-Wh & Ah efficiencies of the cell, charging methods of secondary cells, Maintenance of Lead-acid cell and testing of lead-acid battery.

Electrostatics – Definition of Electric charge & its Units, Capacitance- Definition and formula, Types of Capacitors, Capacitors in series and parallel.

Electrical Wiring accessories, wiring tools and wire joint – Types of switches with a modern approach, Other accessories like lamp holders, ceiling roses, sockets, fuses etc. (detailed study), Fuses and fuse materials, MCB & CBS, wiring tools, Wire joints, Soldering, taping and termination of wires/Cables and cable joints.

Wiring Systems & wiring circuits Types of house wiring – Cleat wiring, CTS/TRS wiring, Conduit wiring, Casing capping wiring-detailed study, Comparison between different wiring methods, Staircase wiring, series and parallel circuits, Master switch circuits, Corridor wiring circuits, Fluorescent tube light circuit, flashers, moving lights.

Earthing – Necessity of earthing- definitions of fundamental terms in earthing like earth, earth lead, earth electrode, earth wire etc, Types of earthing-detailed study of pipe earthing and plate earthing, Specifications of materials used for earthing, Measurement of Earth resistance, IE rules for earthing.

IE rules for Electrical wiring – Precautions to be observed while installing different electric appliances in houses, I E Rules regarding house wiring, Causes of Fire accidents due to Electricity failures.

Indicating Instruments – Classification of Indicating type measuring instruments, Effects of currents used in indicating instruments, torques/forces in electrical instruments, Basic requirements of indicating instruments, Moving Iron Instruments, MC instruments — the difference between MI and MC insts., Extension of MI & MC Instruments, Measurement of Power-Dynamometer type, different types of errors in indicating instruments.

Integrating Instruments – Definition and classification of integrating instruments, 1-ph, 3-ph phase induction type energy meters, errors in energy meters.

Special instruments – Power factor meter, Frequency meter, Synchronoscope, Instrument transformers CT-PT, Multimeter, Megger, Tongue tester.

Semiconductor Devices and Their Applications – Atomic structure and semiconductor theory, P-type and N-type materials, PN junction, biasing and characteristics of diodes. Rectifier circuit – half-wave, full-wave, bridge rectifiers, Transistors-types of transistors- configurations, applications, working of inverter and UPS.

D.C . Generators – Generator Principle, simple loop generator, Production of induced EMF and its nature, Construction details of DC Generator, Yoke-poles-pole shoes – Armature- Commutator – brush assembly bearing Field coils, Armature winding-lap and wave winding, E.M.F. equation, Types of Generators separately- Self excited-series-shunt-compound wound, Applications of different types of Generators.

D.C. Motors Principle of working-Significance of back EMF(Eb), Types of dc motors, Seriesshunt and compound motors, speed and torque equation, Speed Control of Motors-Field control method for series & shunt motors- Armature control methods (for shunt motors only), DC motor starters-Necessity of starter working of 3-point starter-4-point starter, Applications of different types of motors.

A.C fundamentals & Circuits – Definitions of Alternating currents and voltage, different waveforms, Definition of cycle, time period, Frequency, Amplitude, Instantaneous value, maximum, average and RMS values of A.0 voltage & current, Form factor, Peak factor of sinusoidal wave, Phaser representation of A.C, Phase & Phase difference of ac, Power & Power Factor. Single-phase A.C. Through Pure Resistive/Inductive/capacitive circuit- current-voltage-phaser diagrams power-power factor, A.C. through R-LIR-C/R-LC Circuit Current-voltage phasor diagram Power-Power factor, Polyphase circuits-advantages of polyphase over single-phase Star and delta connection- voltage & current Relation in star connection -Delta or mesh connections, 3-phase power equation.

Transformers Transformer — Its construction, working, performance, EMF equation, Cooling of transformer, losses and efficiency, transformation ratio. Construction of core, winding shielding, auxiliary parts breather, conservator. Buchholz’s relay, other protective devices, Transformer oil testing, Autotransformer- working, Applications.

Alternators – Principle and operation of Alternators, Relation between speed, no. of poles and frequency, Constructional details of alternator — Salient pole type and smooth cylindrical type, EMF equation.

Three-Phase Induction Motors Classification of 3-Ph motors, working principle of 3-Ph Induction motors, Relations between Ns, no. of poles and supply frequency-Definition of Slip & slip speed, Constructional details of Induction Motors-squirrel cage and slip ring motors, Starters for Induction Motors-Necessity of starter-D.O.L starter- Star/delta starter-Rotor resistance starter for slip ring Induction Motor, Applications.

Single-phase Induction Motors Principle of operation of Single-phase Induction Motors, Types of 1-Ph Induction motor like Split phase, capacitor start -capacitor start capacitor run-shaded pole motors- their applications.

Generation of Power Sources of Electrical Energy- conventional-non conventional energy sources, Generation of Electrical power using conventional energy sources -working of Hydel and Thermal power stations.

Transmission and Distribution of Power – Transmission of power from generating station to receiving stations, use of step-up and step-down transformers and associated equipment, Use of Circuit breaker-isolators-earth switches, C.T.’s etc., Distribution of power, Transformer substations, Distribution T/F Substation-Double Pole Structure-Pole mounted and Plinth mounted T/F, Substation associated equipment such as A.B. switch, L.A.-H.G. Fuse-Circuit Breaker.

Planning, Estimation & Costing of Wiring – Control Panel elements, types and specifications, Concept and Principle of the plan, estimation and cost. Preparation of complete house wiring layout, industrial wiring.

Illumination – Introduction of Illumination, Terms & definitions, laws of illumination, requirements of good lighting, the intensity of light —the importance of light, colour available. Construction, working & applications of — Incandescent lamps, Fluorescent tubes, CFL, Neon signs, Halogen, Mercury vapours and types, sodium vapours etc. Decoration lighting.

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