Electrical Engineer Course

Lesson 1 • Power and Energy in Circuits

Defines electrical power and energy, and introduces the passive sign convention. Enables students to calculate energy consumption and efficiency in simple circuits.

Lesson 2 • Electrical Safety and Standards

Introduces shock hazards, grounding, insulation, and industry safety standards. Grounds all future lab and field work in safe professional practice.

Lesson 3 • Resistance and Ohm's Law

Covers resistivity, resistance, and the linear relationship between voltage and current. Connects material properties to measurable circuit behaviour.

Lesson 4 • Kirchhoff's Laws and Circuit Topology

Presents KVL and KCL as universal conservation laws governing circuit behaviour. Students apply these laws to solve multi-element circuits systematically.

Lesson 1 • Mesh Current Method

Introduces mesh analysis using KVL to assign and solve loop currents. Complements node analysis for planar circuits with multiple voltage sources.

Lesson 2 • Capacitors and Inductors in DC Circuits

Introduces energy-storage elements and their DC steady-state behaviour. Prepares students for transient and AC analysis in subsequent sections.

Lesson 3 • Thevenin and Norton Equivalents

Derives Thevenin and Norton equivalent circuits to simplify complex networks. Enables efficient load analysis and maximum power transfer calculations.

Lesson 4 • Superposition and Linearity

Applies the superposition principle to circuits with multiple independent sources. Reinforces linearity as a core property enabling decomposition of complex problems.

Lesson 1 • Laplace Transform in Circuit Analysis

Introduces the Laplace transform as a tool to convert differential equations to algebraic form. Simplifies analysis of complex transient and steady-state circuit behaviour.

Lesson 2 • First-Order RC Circuit Response

Derives natural and step responses of RC circuits using differential equations. Establishes the time constant as the key parameter governing transient decay.

Lesson 3 • Second-Order RLC Circuit Analysis

Extends transient analysis to second-order RLC circuits with three damping cases. Students classify and solve overdamped, critically damped, and underdamped responses.

Lesson 4 • First-Order RL Circuit Response

Analyses natural and step responses of RL circuits in parallel with RC methods. Highlights duality between capacitive and inductive transient behaviour.

Lesson 1 • Resonance in AC Circuits

Analyses series and parallel resonance conditions and their practical significance. Connects resonance to filter design and frequency-selective circuit behaviour.

Lesson 2 • Power Factor Correction

Teaches methods to improve power factor using reactive compensation. Demonstrates economic and efficiency benefits in industrial and commercial power systems.

Lesson 3 • Impedance and Admittance

Extends resistance concepts to complex impedance for capacitors and inductors. Enables application of DC analysis techniques directly to AC circuits.

Lesson 4 • Sinusoidal Sources and Phasor Representation

Defines sinusoidal waveforms and introduces phasor notation for steady-state analysis. Converts time-domain signals to frequency-domain phasors for algebraic manipulation.

Lesson 1 • Power Measurement in Three-Phase Systems

Covers wattmeter connections and the two-wattmeter method for three-phase power measurement. Connects measurement techniques to power quality monitoring practice.

Lesson 2 • Unbalanced Three-Phase Systems

Extends analysis to unbalanced loads using mesh and node methods. Prepares students to diagnose and correct real-world power quality issues.

Lesson 3 • Balanced Three-Phase Power Calculations

Derives total real, reactive, and apparent power formulas for balanced three-phase loads. Enables efficient power system sizing and equipment selection.

Lesson 4 • Three-Phase Transformers and Distribution

Analyses three-phase transformer connections and their role in power distribution networks. Introduces per-unit system for simplified multi-voltage system analysis.

Lesson 1 • MOSFET Operation and Biasing

Introduces NMOS and PMOS device physics, transfer characteristics, and biasing. Connects MOSFET behaviour to digital and analogue integrated circuit design.

Lesson 2 • Amplifier Analysis and Design

Designs single-stage BJT and MOSFET amplifiers and evaluates gain, input, and output impedance. Introduces frequency response and bandwidth as amplifier performance metrics.

Lesson 3 • Operational Amplifier Circuits

Analyses ideal and practical op-amp behaviour in inverting, non-inverting, and feedback configurations. Enables design of filters, integrators, and signal conditioning circuits.

Lesson 4 • Bipolar Junction Transistor Operation

Analyses BJT structure, operating regions, and DC biasing for amplifier design. Establishes small-signal models used in AC amplifier analysis.

Lesson 1 • Induction Motors

Derives the rotating magnetic field concept and analyses induction motor equivalent circuits. Covers slip, torque-speed curves, and efficiency for industrial motor selection.

Lesson 2 • DC Machines: Motors and Generators

Analyses DC machine construction, equivalent circuits, and torque-speed characteristics. Enables selection and sizing of DC motors for drive applications.

Lesson 3 • Electromagnetic Field Fundamentals

Reviews electric and magnetic field laws including Gauss's, Ampere's, and Faraday's laws. Establishes the field-theory basis for transformer and motor analysis.

Lesson 4 • Magnetic Circuits and Transformers

Models magnetic circuits using reluctance analogy and analyses transformer equivalent circuits. Covers core losses, leakage inductance, and efficiency under load.

Lesson 1 • Inverters and AC Motor Drives

Covers single-phase and three-phase inverter topologies and PWM modulation strategies. Connects inverter design to variable-frequency drive operation for motor control.

Lesson 2 • PID Controller Design and Tuning

Designs proportional-integral-derivative controllers and applies tuning methods to real systems. Enables students to optimise transient and steady-state performance of regulated systems.

Lesson 3 • Feedback Control System Fundamentals

Introduces open-loop and closed-loop control, transfer functions, and stability criteria. Provides the control theory foundation for regulating power converters and drives.

Lesson 4 • Power Semiconductor Devices

Introduces SCRs, IGBTs, and MOSFETs as power switching devices and their gate drive requirements. Establishes switching device characteristics critical to converter design.