[Latest]Syllabus AE PWD Kerala PSC| PWD Assistant Engineer Syllabus Kerala PSC

Contents

DETAILED SYLLABUS FOR THE POST OF ASSISTANT ENGINEER (ELECTRICAL) IN PUBLIC WORKS / IRRIGATION

(Cat.No. : 476/2020) (Total 100 marks)

Assistant Engineer Electrical Crash Course

AE Course offered from EEE Made Easy.

As per the following detailed syllabus
Recorded classes
Doubt clearance and Discussion group
topic wise practice and doubt clearance
Chapter-wise mock tests
Previous year Question paper discussion

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Main Topics

1.Electric Circuits – (10 marks)

2. Magnetic Circuits Absolute and relative permeability of a medium (10 marks)

3. DC Generators (10 marks)

4. Digital Electronics – (10 marks)

5. Power Systems – (10 marks)

6. Control Systems- (10 marks)

7. Power Electronics – (10 marks)

8. Measurements and Instrumentation (10 marks)

9. Signals and Systems (10 marks)

10. Transducers (10 marks)

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1.Electric Circuits – (10 marks)

Kirchoff’s laws – maximum power transfer theorem. Star/delta transformation.
Energy stored in a capacitor and inductor. Analysis of coupled circuits – dot polarity
convention – sinusoidal steady state analysis of coupled circuits. Generation of
alternating voltages and currents – rms value, average value, peak factor, form
factor. AC through series R, L, C circuit – series resonance- resonant power –
bandwidth. Resonance in parallel circuits.

2.Magnetic Circuits- Absolute and relative permeability of a medium (10 marks)

Magnetic field strength- magnetic potential. Relation between magnetism and
electricity – Series and parallel magnetic circuits with composite materials. Faraday’s
laws of electromagnetic induction- Lenz’s law – statically and dynamically induced
emf.

3. DC Generators (10 marks)

Constructional details, working principle – types of dc generators – emf equation –
power stages – condition for maximum efficiency. DC motor – armature control and
field control. Single phase transformer – working principle, equivalent circuit,
losses in a transformer, condition for maximum efficiency. Three phase transformer
– construction- difference between power transformer and distribution transformer.
Alternators- constructional details –Synchronous motor – starting methods –
synchronous condenser. Three phase induction motor – working principle,
constructional details – slip, torque and current equations – torque- speed curve.

4. Digital Electronics – (10 marks)

Number Systems and Codes: Binary, Octal and hexadecimal conversions- ASCII
code, Excess -3 code, Gray code. Combinational circuits – Adders – Full adder and
half adder. Multiplexers- Demultiplexers. Flipflops – registers – counters. Digital –
to – Analogue and Analogue-to-Digital conversion. Microprocessors – Internal
architecture of 8085 microprocessor–Functional block diagram Instruction set –
Addressing modes – Classification of instructions – Status flags. Machine cycles
and T states – Fetch and execute cycles- Timing diagram.

5. Power Systems – (10 marks)

Line parameters -resistance- inductance and capacitance. Insulators –string efficiency

corona. Circuit breakers – rating- SF6 circuit breaker. Relays – types. Per unit
quantities- symmetrical components – symmetrical and unsymmetrical fault. Power
system stability – steady state, dynamic and transient stability-power angle curve.

6. Control Systems- (10 marks)

Transfer function of LTI systems – block diagram reduction – Signal flow graph –
Mason’s gain formula – Type and Order of the systems- Characteristic equation Time
domain specifications of transient and steady state responses- Impulse and Step
responses of first order and second order systems. Static error coefficients of type
0,1,2 systems. Routh’s stability criterion. Frequency domain specifications. Polar
plot and Bode plot – concepts of gain margin and phase margin- stability analysis.

7. Power Electronics – (10 marks)

SCR- Structure, Static characteristics. Fully controlled and half controlled bridge
rectifier with R, RL and RLE loads. Voltage Source Inverters– 1-phase half-bridge &
full bridge inverter with R and RL loads – Pulse width modulation. Single quadrant,
Two quadrant and Four quadrant chopper. Operational Amplifiers – fundamental
differential amplifier- Modes of operation. Properties of ideal and practical Op-amp –
gain, CMRR and slew rate.

8. Measurements and Instrumentation (10 marks)

Measurement standards – errors – Types of Errors. Classification of instruments,
secondary instruments–indicating, integrating and recording. Ammeters and
voltmeters – moving coil, moving iron. Measurement of power: Dynamometer type
wattmeter –Construction and working – 3- phase power measurement. Measurement
of energy – Single phase energy meter – construction and working. Digital Energy
meters -Time of Day(TOD) meters. Oscilloscopes- principle of operation of general
purpose CRO-basics of vertical and horizontal deflection system.

9. Signals and Systems (10 marks)

Classification of signals – Elementary signals- Basic operations on continuous time
and discrete time signals. Concept of systems – Classification of systems- Properties
of systems – Time invariance- Linearity -Causality – Memory – Stability. Sampling
process – Impulse train sampling – sampling theorem- Aliasing effect. Zero order and
First order hold circuits.

10. Transducers (10 marks)

General classification- LVDT- angular displacement transducers- hall effect
transducers. Batteries – Primary cells– secondary cells- battery ratings- grouping of
cells. Wiring – systems of wiring- rules for domestic wiring. Earthing- types of
earthing – rules for earthing. Illumination – Laws of illumination. Electric lamps –
different types.