Syllabus – Assistant Engineers (Elecl.,)
Part-A (80 Questions)
1.Electrical Circuits and Networks: Kirchhoffs laws, mesh and node analysis,
network theorems, sinusoidal steady state analysis of single phase and three
phase circuits, resonance, transient response of RL, RC, RLC Circuits for
different input, two-port networks, Two element network synthesis.
Measurement of power by two-wattmeter method; Fourier, Laplace and Z
transforms
2. Control Systems: Modeling of physical system, Block diagrams and signal
flow graphs, Time and frequency domain analysis, Steady state errors,
Routh’s criterion, Nyquist and Bode plots, compensation, root loci,
elementary ideas of state variable analysis, control system components.
3. Measurements and Instrumentation: Measurement of current, voltage,
power, power-factor and energy, Measurement of resistance, inductance,
capacitance and frequency-bridge methods, transducers and their
applications to the measurement of non-electrical quantities like
temperature, pressure, strain, displacement etc., CRO.
4. Electrical Machines: Single phase transformer; equivalent circuit, tests,
regulation and efficiency, three phase transformers connections, parallel
operation, auto transformer, principle of energy, Conversion, windings of
rotating machines, DC generator and motors, characteristics, starting and
speed control, three phase induction motors performance characteristics,
starting and speed control, single phase and three-phase induction motors,
synchronous generators, performance, regulation, parallel operation,
synchronous motors, starting characteristics and applications synchronous
condensers, fractional horse power motors, permanent magnet and
stepper motors
5. Power Systems: Electrical power generation thermal, hydro, nuclear,
Types of Tariffs; transmission line parameters, steady state performance of
overhead transmission lines and cables, surge propagation, distribution
systems, insulators, bundle conductors, corana and radio interference
effects, Sag and Tension, per-unit quantities, bus admittance and
impedance matrices, load flow: voltage control and power factor
correction, economic operation, Load Frequency Control, symmetrical
components, analysis of symmetrical and unsymmetrical faults, principles of
over-current, differential and distance protection, circuit breakers, concept
of system stability, swing curves and equal area criterion, HVDC transmission
Contd..2
: 2 :
6. Analog and Digital Electronics: Characteristics of diodes, BJT, FET, SCR,
Amplifier biasing, equivalent circuit, frequency response, feed-back
amplifiers, power amplifiers, oscillators, operational amplifiers and
applications, wave shaping circuits, multiplexer, filp-flops, universal gates,
combinational circuits, A/D and D/A converters, 8-bit microprocessor basics
(8085), architecture, programming and interfacing.
7. Power Electronics & Drives: Semiconductor power diodes, transistors,
thyristors, triacs, GTOs, MOSFETs and IGBTs - static characteristics and
principles of operation; triggering circuits; phase control rectifiers; bridge
converters - fully controlled and half controlled; dual converters, principles
of choppers, inverters, cyclo-converters and ac voltage controllers. Four
quadrant operation, Types of loads, Steady-state stability, Types of braking
in dc & ac motors, Energy loss during starting and braking of dc and ac
motors, Basic concepts of converter and chopper fed dc drives; V/f control
of ac motors, chopper controlled rotor resistance and slip power recovery
scheme.
8. Utilization: High frequency eddy current heating, dielectric heating, Arc
furnace, electric arc welding & electric resistance welding, Illumination:
Laws of illumination, MSCP, SV & MV lamps, Factory, street & flood lighting,
Electric traction and track electrification, Speed-time curves, Tractive effort,
Specific energy consumption, Mechanism of train movement, adhesive
weight and coefficient of adhesion.
9. Switchgear protection: Principles of over current, differential and
distance protections, circuit breaker, concept of system stability, swing
curves and equal area criterion. Power System Operation & Control, Relays,
Protection for Generator, Transformers, feeder and Busbars, Grounding,
Protection against Over Voltages, Batteries and Battery Chargers.
10. Electricity Act’ 2003 and Indian Electricity Rules.
11. Non-Conventional Energy: Solar, Wind and Bio-mass.
Part-B (20 Questions)
Sl.No. Particulars of the section Weightage
1.
Numerical Ability (Indices, Ratios, Proportions, Profit & Loss,
Menstruation, Algebra, Geometry and Statistics)
2.
Language proficiency (Vocabulary, Sentence corrections,
Reading comprehension).
3. Computer Awareness
4. General Knowledge
5.
Socio-economic, Political and Cultural History of
Andhrapradesh with special emphasis on bifurcation
Part-A (80 Questions)
1.Electrical Circuits and Networks: Kirchhoffs laws, mesh and node analysis,
network theorems, sinusoidal steady state analysis of single phase and three
phase circuits, resonance, transient response of RL, RC, RLC Circuits for
different input, two-port networks, Two element network synthesis.
Measurement of power by two-wattmeter method; Fourier, Laplace and Z
transforms
2. Control Systems: Modeling of physical system, Block diagrams and signal
flow graphs, Time and frequency domain analysis, Steady state errors,
Routh’s criterion, Nyquist and Bode plots, compensation, root loci,
elementary ideas of state variable analysis, control system components.
3. Measurements and Instrumentation: Measurement of current, voltage,
power, power-factor and energy, Measurement of resistance, inductance,
capacitance and frequency-bridge methods, transducers and their
applications to the measurement of non-electrical quantities like
temperature, pressure, strain, displacement etc., CRO.
4. Electrical Machines: Single phase transformer; equivalent circuit, tests,
regulation and efficiency, three phase transformers connections, parallel
operation, auto transformer, principle of energy, Conversion, windings of
rotating machines, DC generator and motors, characteristics, starting and
speed control, three phase induction motors performance characteristics,
starting and speed control, single phase and three-phase induction motors,
synchronous generators, performance, regulation, parallel operation,
synchronous motors, starting characteristics and applications synchronous
condensers, fractional horse power motors, permanent magnet and
stepper motors
5. Power Systems: Electrical power generation thermal, hydro, nuclear,
Types of Tariffs; transmission line parameters, steady state performance of
overhead transmission lines and cables, surge propagation, distribution
systems, insulators, bundle conductors, corana and radio interference
effects, Sag and Tension, per-unit quantities, bus admittance and
impedance matrices, load flow: voltage control and power factor
correction, economic operation, Load Frequency Control, symmetrical
components, analysis of symmetrical and unsymmetrical faults, principles of
over-current, differential and distance protection, circuit breakers, concept
of system stability, swing curves and equal area criterion, HVDC transmission
Contd..2
: 2 :
6. Analog and Digital Electronics: Characteristics of diodes, BJT, FET, SCR,
Amplifier biasing, equivalent circuit, frequency response, feed-back
amplifiers, power amplifiers, oscillators, operational amplifiers and
applications, wave shaping circuits, multiplexer, filp-flops, universal gates,
combinational circuits, A/D and D/A converters, 8-bit microprocessor basics
(8085), architecture, programming and interfacing.
7. Power Electronics & Drives: Semiconductor power diodes, transistors,
thyristors, triacs, GTOs, MOSFETs and IGBTs - static characteristics and
principles of operation; triggering circuits; phase control rectifiers; bridge
converters - fully controlled and half controlled; dual converters, principles
of choppers, inverters, cyclo-converters and ac voltage controllers. Four
quadrant operation, Types of loads, Steady-state stability, Types of braking
in dc & ac motors, Energy loss during starting and braking of dc and ac
motors, Basic concepts of converter and chopper fed dc drives; V/f control
of ac motors, chopper controlled rotor resistance and slip power recovery
scheme.
8. Utilization: High frequency eddy current heating, dielectric heating, Arc
furnace, electric arc welding & electric resistance welding, Illumination:
Laws of illumination, MSCP, SV & MV lamps, Factory, street & flood lighting,
Electric traction and track electrification, Speed-time curves, Tractive effort,
Specific energy consumption, Mechanism of train movement, adhesive
weight and coefficient of adhesion.
9. Switchgear protection: Principles of over current, differential and
distance protections, circuit breaker, concept of system stability, swing
curves and equal area criterion. Power System Operation & Control, Relays,
Protection for Generator, Transformers, feeder and Busbars, Grounding,
Protection against Over Voltages, Batteries and Battery Chargers.
10. Electricity Act’ 2003 and Indian Electricity Rules.
11. Non-Conventional Energy: Solar, Wind and Bio-mass.
Part-B (20 Questions)
Sl.No. Particulars of the section Weightage
1.
Numerical Ability (Indices, Ratios, Proportions, Profit & Loss,
Menstruation, Algebra, Geometry and Statistics)
2.
Language proficiency (Vocabulary, Sentence corrections,
Reading comprehension).
3. Computer Awareness
4. General Knowledge
5.
Socio-economic, Political and Cultural History of
Andhrapradesh with special emphasis on bifurcation
