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

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

For Admission, please contact on 7510893107. Whatsapp message for course structure and fee details

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Main Topics

1.Electric Circuits โ€“ (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)


1.Electric Circuits โ€“ (10 marks)


Kirchoffโ€™s laws – maximum power transfer theorem. Star/delta transformation.
Energy stored in a capacitor and inductor. Analysis of coupled circuits โ€“ dot polarity
convention โ€“ sinusoidal steady state analysis of coupled circuits. Generation of
alternating voltages and currents โ€“ rms value, average value, peak factor, form
factor. AC through series R, L, C circuit โ€“ series resonance- resonant power โ€“
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 โ€“ Series and parallel magnetic circuits with composite materials. Faradayโ€™s
laws of electromagnetic induction- Lenzโ€™s law โ€“ statically and dynamically induced
emf.

3. DC Generators (10 marks)


Constructional details, working principle โ€“ types of dc generators – emf equation โ€“
power stages โ€“ condition for maximum efficiency. DC motor โ€“ armature control and
field control. Single phase transformer โ€“ working principle, equivalent circuit,
losses in a transformer, condition for maximum efficiency. Three phase transformer
โ€“ construction- difference between power transformer and distribution transformer.
Alternators- constructional details โ€“Synchronous motor โ€“ starting methods โ€“
synchronous condenser. Three phase induction motor โ€“ working principle,
constructional details โ€“ slip, torque and current equations โ€“ 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 โ€“ registers โ€“ counters. Digital โ€“
to – Analogue and Analogue-to-Digital conversion. Microprocessors – Internal
architecture of 8085 microprocessorโ€“Functional block diagram Instruction set –
Addressing modes – Classification of instructions – Status flags. Machine cycles
and T states โ€“ Fetch and execute cycles- Timing diagram.

5. Power Systems – (10 marks)


Line parameters -resistance- inductance and capacitance. Insulators โ€“string efficiency

  • corona. Circuit breakers – rating- SF6 circuit breaker. Relays โ€“ types. Per unit
    quantities- symmetrical components โ€“ 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 Invertersโ€“ 1-phase half-bridge &
full bridge inverter with R and RL loads โ€“ 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 โ€“ errors – Types of Errors. Classification of instruments,
secondary instrumentsโ€“indicating, integrating and recording. Ammeters and
voltmeters โ€“ moving coil, moving iron. Measurement of power: Dynamometer type
wattmeter โ€“Construction and working – 3- phase power measurement. Measurement
of energy – Single phase energy meter โ€“ 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 โ€“ 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 โ€“ Primary cellsโ€“ secondary cells- battery ratings- grouping of
cells. Wiring โ€“ systems of wiring- rules for domestic wiring. Earthing- types of
earthing – rules for earthing. Illumination โ€“ Laws of illumination. Electric lamps โ€“
different types.

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