Engineer Electricity study materials
Engineer Electricity study resources

Engineer Electricity study plan

Engineer Electricity · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

Electrical Circuit Theory and Analysis

  • Derive and apply mesh and nodal analysis to two-source DC networks, solving at least ten problems by hand without referring to worked solutions

  • Compute Thevenin and Norton equivalents for networks containing dependent sources and verify each result by two independent methods

  • Solve first-order RL and RC transient problems including time constants, initial and final conditions, and switching at t = 0

  • Set up phasor solutions for series and parallel RLC circuits and calculate impedance, current, and phase angle in polar and rectangular form

Your checkpoint

A hand-written or typed problem set of 25 solved circuit problems (DC, transient, and AC steady state) with a one-page formula sheet and an error log listing every mistake made and its cause

Week 2

Electrical Circuit Theory and Analysis & Electromagnetic Fields and Waves

  • Apply the superposition theorem, source transformation, and maximum power transfer to at least eight mixed-source networks

  • Calculate power factor, real, reactive, and apparent power in three-phase star and delta loads, including unbalanced neutral current

  • State and apply Maxwell's equations in integral form to compute electric field of line, sheet, and spherical charge distributions using Gauss's law

  • Compute magnetic flux density and inductance for straight wire, solenoid, and toroidal geometries using Ampere's law

  • Calculate characteristic impedance, propagation velocity, reflection coefficient, and VSWR for a lossless transmission line with a mismatched load

Your checkpoint

A one-page summary sheet of electromagnetic formulas with units plus a 15-problem worksheet on Gauss's law, Ampere's law, inductance, and transmission-line reflection, each answer checked against a unit and order-of-magnitude sanity check

Week 3

Electrical Machines and Transformers

  • Draw and explain the equivalent circuit of a transformer and compute regulation, efficiency, and core and copper losses from open-circuit and short-circuit test data

  • Predict the performance of a three-phase induction motor using the per-phase equivalent circuit, including slip, torque, starting current, and efficiency

  • Compare DC machine types and calculate generated EMF, torque, and speed regulation for shunt and series machines

  • Explain synchronous machine operation on infinite bus, including excitation effects on power factor and the meaning of the V-curve

Your checkpoint

A worked machine-design comparison table covering transformer, induction motor, DC shunt machine, and synchronous generator, with at least two fully solved numerical examples per machine type and a list of ten likely exam traps (e.g., slip sign, referred impedances, saturation ignoring)

Week 4

Power Systems: Generation, Transmission, and Distribution

  • Build the per-unit model of a two-bus generation-transmission system and compute fault-level current and voltage profile

  • Calculate line parameters (resistance, inductance, capacitance) for single-circuit and bundled overhead lines and compute voltage regulation and line losses

  • Explain the operating principles of thermal, hydro, and nuclear generation and the role of load-frequency control and spinning reserve

  • Compare radial, ring, and interconnected distribution configurations and compute voltage drop and cable sizing for a low-voltage feeder

  • Explain the effect of series and shunt compensation and transformer tap changers on voltage control

Your checkpoint

A complete per-unit study of a three-bus network (generator, transformer, two lines, load) showing base conversion, load flow by hand or spreadsheet, and a written interpretation of voltage profile results

Week 5

Power System Protection and Switchgear & Power Electronics and Drives

  • Calculate symmetrical three-phase fault current and apply symmetrical components to solve a single line-to-ground fault on a simple network

  • Select and justify protection schemes for a transformer, feeder, and generator, and explain coordination and discrimination principles

  • Compare the arc-quenching and interrupting behavior of air, oil, vacuum, and SF6 circuit breakers and state where each is used

  • Analyze single-phase and three-phase controlled rectifiers and compute average output voltage, ripple, and thyristor ratings

  • Explain the operation of DC-DC buck, boost, and buck-boost converters including continuous and discontinuous conduction modes, and describe V/f control of induction motor drives

Your checkpoint

A fault and protection report: one worked SLG fault using symmetrical components, a protection single-line diagram with relay types and settings rationale, and a converter worksheet with at least eight solved waveform calculations

Week 6

Control Systems and Automation & Electrical Measurements and Instrumentation

  • Derive transfer functions for electrical and electromechanical systems and construct block diagrams, reducing them to canonical form

  • Determine stability using Routh-Hurwitz and Bode plots, and compute gain margin, phase margin, and steady-state error for type 0, 1, and 2 systems

  • Design a lead or lag compensator and a PID controller for a given plant specification using root-locus or frequency-response reasoning

  • Explain PLC scan cycle, ladder logic, and SCADA architecture, and translate a simple process description into ladder logic

  • Select instruments and compute measurement error, loading effect, and uncertainty for voltmeter, ammeter, wattmeter, and instrument transformer connections

Your checkpoint

A control design portfolio containing one complete design (plant model, block diagram, stability analysis, compensator, and predicted step response) plus a 10-question instrumentation set with worked error and loading calculations

Week 7

Electrical Installation, Wiring, and Safety Codes & Engineering Economics, Project Management, and Professional Ethics

  • Size cables, protective devices, and earthing conductors for a given load schedule in accordance with standard installation practice, and verify disconnection times and voltage drop limits

  • Explain earthing systems (TN-S, TN-C-S, TT, IT) and the role of RCDs, MCBs, and fuses in fault protection

  • Apply the hierarchy of risk control and identify safety requirements for isolation, lock-out/tag-out, and live working

  • Compute present worth, annual cost, payback period, and internal rate of return for two competing equipment options

  • Apply a professional code of ethics to a conflict-of-interest and public-safety scenario and state the correct course of action with justification

Your checkpoint

An installation design package for a small industrial workshop (load schedule, cable and breaker sizing with calculations, earthing and RCD selection, voltage drop verification) plus an economics case study comparing two transformer or motor options with NPV, payback, and IRR

Week 8

Electrical Circuit Theory and Analysis & Power Systems: Generation, Transmission, and Distribution & Power System Protection and Switchgear

  • Complete two full-length timed mock exams under exam conditions and score them against a domain-weighted marking scheme

  • Re-solve every missed question from weeks 1 through 7 and classify each error as concept, calculation, or misreading

  • Re-derive the ten highest-yield formulas from memory (per-unit conversion, fault current, transformer regulation, induction motor torque, converter output voltage, Routh array, cable voltage drop, NPV)

  • Build a final one-page quick-reference card covering all ten domains and rehearse it under a five-minute recall drill

Your checkpoint

A scored mock-exam log with per-domain accuracy percentages, a prioritized list of the five weakest sub-topics, and a one-page final quick-reference card

Milestones

Week 2: Score at least 70% on a self-made 20-question set drawn only from Domains 1 and 2, with no formula sheet except your own summary page

Week 4: Complete the three-bus per-unit load flow without reference material and explain each step aloud in under 15 minutes; Domain 1 and 3 practice accuracy at or above 65%

Week 6: Produce a stable closed-loop design meeting the stated overshoot and settling-time targets, and score at least 65% on a mixed 30-question set covering Domains 5 through 8

Week 8: Average at least 70% across two timed mock exams with no domain below 55%, and confirm every item on the error log has been re-solved correctly