Electrical and Electronics Engineering
Electrical engineering is about power large enough that mistakes are expensive: a machine converting energy, a grid holding frequency, a converter switching so it does not melt. Each topic runs the real quantities rather than restating the formula.
6 core subjects · 49 topics you can watch now · 132 mapped on the roadmap
Start with Why Digital, and Why Binary →Digital Logic Design
Gates, waveforms and state machines that actually run.
6 units · 8 to watch, 16 to come
Also taught in CSE, ECE
Electric Circuit Analysis
Watch charge conserve at a node and energy close a loop.
6 units · 9 to watch, 16 to come
Electrical Machines
See two fields pull into line, and torque appear.
5 units · 8 to watch, 12 to come
Power Systems
Follow one kilowatt from the turbine to the socket.
5 units · 8 to watch, 13 to come
Control Systems
Watch a loop correct its own error — or overshoot trying.
6 units · 8 to watch, 14 to come
Also taught in ECE
Power Electronics
See a device that would melt as a resistor run cold as a switch.
5 units · 8 to watch, 12 to come
About Electrical and Electronics Engineering
Electrical engineering here is the study of energy at scale: converting it, moving it, controlling it, and keeping the whole arrangement stable. Circuit analysis and electrical machines are the foundation, power electronics is the modern means of control, and power systems is the continent-sized result.
What distinguishes the branch is the consequence of error. A logic bug produces a wrong answer; a protection error produces an arc flash. That is why so much of the material is about fault conditions, margins and coordinated protection rather than nominal operation.
A sensible route is circuit analysis, then electrical machines, then power electronics and power systems. Control systems fits well alongside, since it supplies the stability language the other three assume.
What to know first
- Electric circuit analysis, including three-phase AC
- Basic magnetism for the machines material
Where it gets used
- Working with grid infrastructure, substations and industrial power
- Motor drives and renewable-energy conversion
- Understanding why protection and earthing are designed the way they are