Electrical project ideas
100 projects, from a first build to a final-year capstone. Each lists the skills it teaches and the tools it needs; times and costs are estimates.
Beginner projects
- Smart Energy Meter — Measure a low-voltage load's voltage, current and energy with an isolated sensor and show daily kWh. Skills: AC measurement, energy calculation, isolation. Tools: isolated CT/PT modules, microcontroller. Dashboard, Up to 15 h, Under $30.
- Series and Parallel Circuit Lab — Measure currents and voltages in resistive networks and verify Kirchhoff's laws numerically. Skills: KVL, KCL, measurement. Tools: resistors, multimeter, DC supply. Hardware build, Up to 15 h, Under $30.
- Single-Phase Wiring Board Model — Build a safe low-voltage model of a house wiring board with switches, fuses and an RCD symbol walkthrough. Skills: domestic wiring, protection devices, safety. Tools: low-voltage lamps, terminal blocks. Hardware build, Up to 15 h, Under $30.
- Cable Thermal Rating Calculator — Calculate allowable cable current from size, insulation and installation method with derating factors. Skills: current-carrying capacity, derating, standards. Tools: web calculator. Visualizer, Up to 15 h, Software only (free tools).
- Electricity Bill Estimator — Estimate monthly bills from appliance lists, usage hours and slab tariffs with savings suggestions. Skills: tariffs, energy accounting, load lists. Tools: spreadsheet/web app. Dashboard, Up to 15 h, Software only (free tools).
- Transformer Turns-Ratio Experiment — Measure primary and secondary voltages of a small low-voltage transformer and confirm turns ratio. Skills: transformer basics, turns ratio, losses. Tools: low-voltage transformer, multimeter. Hardware build, Up to 15 h, Under $30.
- DC Motor Speed-Voltage Study — Measure speed versus supply voltage and load for a small DC motor and plot the characteristic. Skills: DC machines, back-EMF, characteristics. Tools: DC motor, tachometer, supply. Data lab, Up to 15 h, Under $30.
- Earth Resistance Concept Model — Show how electrode depth and soil moisture change earth resistance with a scaled tank experiment. Skills: earthing, soil resistivity, electrodes. Tools: water tank model, multimeter. Hardware build, Up to 15 h, Under $30.
- Power Triangle Visualizer — Draw real, reactive and apparent power interactively as power factor and load change. Skills: power factor, phasors, reactive power. Tools: web app. Visualizer, Up to 15 h, Software only (free tools).
- Automatic Night Lamp — Switch a lamp on at dusk using an LDR, relay and adjustable threshold. Skills: light sensing, relay control, thresholds. Tools: LDR, relay module. Hardware build, Up to 15 h, Under $30.
- Fuse and MCB Selection Tool — Choose fuse and breaker ratings for circuits from load current and cable size. Skills: protection coordination basics, ratings. Tools: web calculator. Visualizer, Up to 15 h, Software only (free tools).
- Inverter Battery Backup Calculator — Size battery capacity and inverter rating for household backup hours and loads. Skills: backup sizing, battery capacity, efficiency. Tools: spreadsheet/web app. Visualizer, Up to 15 h, Software only (free tools).
- Relay Logic Motor Starter — Wire a low-voltage DOL starter with start/stop push buttons, holding contact and overload simulation. Skills: relay logic, latching circuits, interlocks. Tools: 24 V relays, push buttons. Hardware build, Up to 15 h, Under $30.
- Ohmmeter-Based Insulation Concept — Compare insulation of clean and contaminated samples at safe low voltage to explain insulation testing. Skills: insulation, leakage current, testing concepts. Tools: samples, multimeter. Hardware build, Up to 15 h, Under $30.
- Solar Panel I-V Curve Tracer — Sweep a small panel's load and plot its I-V and P-V curves to find the maximum power point. Skills: PV characteristics, MPP, measurement. Tools: small PV panel, rheostat, multimeters. Data lab, Up to 15 h, Under $30.
- Star-Delta Transformation Trainer — Convert resistor networks between star and delta with worked steps and a checker. Skills: network theorems, star-delta, practice. Tools: web app. Visualizer, Up to 15 h, Software only (free tools).
- Electric Kettle Efficiency Test — Measure energy used to heat water and compare with the theoretical heat required. Skills: energy, efficiency, heat calculation. Tools: energy meter, thermometer. Data lab, Up to 15 h, Under $30.
- Phase Sequence Indicator Model — Explain three-phase rotation with a low-voltage RC phase sequence indicator simulation. Skills: three-phase systems, phase sequence, RC circuits. Tools: simulation, low-voltage source. Simulator, Up to 15 h, Under $30.
- Ceiling Fan Regulator Comparison — Compare resistive and electronic fan regulators for losses and speed control. Skills: speed control, losses, TRIAC basics. Tools: fan, energy meter (supervised). Data lab, Up to 15 h, Under $30.
- Load Survey of a Classroom — Inventory loads in a room, measure usage times and build a load profile chart. Skills: load surveys, demand, profiling. Tools: clamp meter, spreadsheet. Dashboard, Up to 15 h, Under $30.
- Thevenin Equivalent Finder — Measure open-circuit voltage and short-circuit current of a network and validate the Thevenin model. Skills: Thevenin's theorem, measurement, modelling. Tools: breadboard network, meters. Hardware build, Up to 15 h, Under $30.
- Electromagnet Strength Study — Measure lifting force against turns and current for a homemade electromagnet. Skills: magnetism, ampere-turns, saturation. Tools: coil, DC supply, spring scale. Hardware build, Up to 15 h, Under $30.
- AC Waveform Viewer — Display a safely stepped-down AC waveform and compute frequency, peak and RMS values. Skills: AC waveforms, RMS, sampling. Tools: step-down transformer, scope/ADC. Visualizer, Up to 15 h, Software only (free tools).
- Energy-Saving Lighting Retrofit Plan — Compare incandescent, CFL and LED lighting costs over five years for a building. Skills: lighting energy, lifecycle cost, payback. Tools: spreadsheet. Dashboard, Up to 15 h, Software only (free tools).
- Automatic Water Pump Controller — Start and stop a pump from tank-level probes with dry-run protection. Skills: level sensing, motor control, protection. Tools: level probes, relay, contactor model. Hardware build, Up to 15 h, Under $30.
Intermediate projects
- Transformer Condition Monitor — Track oil temperature, load and estimated hot-spot temperature to estimate insulation ageing. Skills: thermal models, ageing, monitoring. Tools: temperature sensors, microcontroller. Dashboard, 15–45 h, $30–150.
- Induction Motor Test Bench — Run no-load and blocked-rotor tests to derive the equivalent circuit and predict efficiency. Skills: equivalent circuits, motor testing, efficiency. Tools: small induction motor, meters (supervised). Data lab, 15–45 h, $30–150.
- Three-Phase Power Analyzer — Compute per-phase power, unbalance and PF from sampled voltages and currents. Skills: three-phase power, unbalance, sampling. Tools: CTs/PTs, ADC. Dashboard, 15–45 h, Software only (free tools).
- Relay Coordination Visualizer — Plot time-current curves of fuses and relays and check grading margins along a feeder. Skills: protection coordination, TCC curves, grading. Tools: web app. Visualizer, 15–45 h, Software only (free tools).
- Power Quality Recorder — Record sags, swells and harmonics of a supply with timestamps and event classification. Skills: power quality, harmonics, event detection. Tools: ADC, isolated sensors. Data lab, 15–45 h, $30–150.
- BLDC Drive Controller — Commutate a BLDC motor with Hall sensors and closed-loop speed control. Skills: commutation, PWM, speed control. Tools: BLDC motor, gate driver, MCU. Hardware build, 15–45 h, $30–150.
- Earth-Fault Detection Demonstrator — Detect residual current in a low-voltage model with a core-balance CT and trip logic. Skills: residual current, CT sensing, trip logic. Tools: core-balance CT, relay. Hardware build, 15–45 h, $30–150.
- Solar Inverter Monitor — Read a grid-tie inverter's data, compute yield and performance ratio and flag underperformance. Skills: PV performance, data acquisition, KPIs. Tools: Modbus/RS-485, Python. Dashboard, 15–45 h, Software only (free tools).
- Harmonic Filter Design Tool — Size passive tuned filters for 5th and 7th harmonics and simulate the resulting spectrum. Skills: harmonics, filter tuning, simulation. Tools: Python/MATLAB. Simulator, 15–45 h, Software only (free tools).
- Generator Synchronization Trainer — Simulate frequency, voltage and phase matching before closing a breaker, with a synchroscope view. Skills: synchronisation, phasors, generator control. Tools: simulation. Simulator, 15–45 h, $30–150.
- Smart Street-Light Network — Dim street lights by occupancy and schedule, logging energy savings per pole. Skills: lighting control, networks, energy savings. Tools: LED drivers, LoRa/Zigbee nodes. Dashboard, 15–45 h, $30–150.
- Regenerative Braking Energy Logger — Log energy returned by a motor acting as a generator during braking in a small rig. Skills: regeneration, energy accounting, power electronics. Tools: DC motor/generator, logger. Data lab, 15–45 h, $30–150.
- Building Load Forecast — Forecast next-day building load from weather and calendar features and compare models. Skills: load forecasting, regression, feature engineering. Tools: Python, pandas. Data lab, 15–45 h, Software only (free tools).
- Variable Frequency Drive Study — Measure induction motor speed, current and efficiency under V/f control at several frequencies. Skills: V/f control, VFDs, motor efficiency. Tools: VFD, motor, meters (supervised). Data lab, 15–45 h, $30–150.
- Short-Circuit Current Calculator — Compute fault levels on a radial network using per-unit impedances. Skills: per-unit systems, fault calculation, impedance. Tools: Python/web app. Visualizer, 15–45 h, Software only (free tools).
- Capacitor Bank PF Correction Planner — Size capacitor steps to correct power factor and estimate tariff savings. Skills: PF correction, reactive power, economics. Tools: web app. Visualizer, 15–45 h, Software only (free tools).
- Load Flow Solver — Solve power flow of a small network with Gauss-Seidel and Newton-Raphson and compare convergence. Skills: load flow, Newton-Raphson, bus admittance. Tools: Python. Simulator, 15–45 h, Software only (free tools).
- Stepper Motor Microstepping Driver — Drive a stepper with microstepping current control and measure resonance. Skills: stepper control, current chopping, resonance. Tools: stepper driver, MCU. Hardware build, 15–45 h, $30–150.
- Energy Monitoring for a Workshop — Submeter machines in a workshop and identify idle-time energy waste. Skills: submetering, energy analytics, KPIs. Tools: clamp sensors, dashboard. Dashboard, 15–45 h, $30–150.
- Overcurrent Relay Emulator — Implement IDMT relay curves in software and test trip times with injected current profiles. Skills: IDMT curves, relay logic, testing. Tools: MCU, test signals. Simulator, 15–45 h, $30–150.
- Battery Charger for Lead-Acid — Implement bulk, absorption and float charging with temperature compensation. Skills: charging algorithms, temperature compensation. Tools: charger power stage, MCU. Hardware build, 15–45 h, $30–150.
- Two-Area Frequency Control Model — Simulate load-frequency control between two areas with tie-line power exchange. Skills: LFC, AGC, dynamic simulation. Tools: Python/Simulink. Simulator, 15–45 h, $30–150.
- Transmission Line Parameter Calculator — Compute line inductance, capacitance and ABCD parameters from conductor geometry. Skills: line parameters, ABCD constants, modelling. Tools: Python/web app. Visualizer, 15–45 h, Software only (free tools).
- Electric Vehicle Charger Load Study — Model how EV chargers change a feeder's peak load and suggest scheduling. Skills: EV load, feeder capacity, scheduling. Tools: Python. Simulator, 15–45 h, Software only (free tools).
- Contactor Wear Monitor — Count operations and arc energy of a contactor to predict remaining life. Skills: switching wear, condition monitoring, prediction. Tools: current sensing, MCU. Dashboard, 15–45 h, $30–150.
Advanced projects
- Microgrid Load Balancer — Balance solar, battery and grid supply for a small microgrid with priority load shedding. Skills: microgrids, dispatch, load shedding. Tools: simulation, MCU testbed. Simulator, 45–100 h, $30–150.
- Battery Energy Storage Controller — Control a BESS for peak shaving and arbitrage while respecting SoC limits. Skills: energy storage, dispatch, optimisation. Tools: Python, testbed. Simulator, 45–100 h, Software only (free tools).
- Arc-Flash Risk Estimator — Estimate incident energy and arc-flash boundaries from fault level and clearing time, with PPE categories. Skills: arc flash, incident energy, safety standards. Tools: Python/web app. Visualizer, 45–100 h, Software only (free tools).
- Electricity Theft Anomaly Detector — Flag suspicious consumption patterns in smart-meter data with unsupervised anomaly detection. Skills: anomaly detection, smart meters, feature design. Tools: Python, scikit-learn. Data lab, 45–100 h, $30–150.
- Protective Relay Hardware-In-Loop Rig — Test a relay's response to simulated faults played back from a real-time model. Skills: HIL testing, protection, fault playback. Tools: real-time simulator, relay. Hardware build, 45–100 h, $150+.
- Islanding Detection Prototype — Detect loss of mains for a grid-tied inverter using passive and active methods. Skills: anti-islanding, ROCOF, detection methods. Tools: simulation, inverter testbed. Simulator, 45–100 h, $30–150.
- State Estimation for a Distribution Feeder — Estimate unmeasured voltages from limited meter data with weighted least squares. Skills: state estimation, WLS, observability. Tools: Python. Simulator, 45–100 h, Software only (free tools).
- Transformer Inrush Analysis — Simulate and measure transformer inrush current and test second-harmonic restraint. Skills: inrush, harmonic restraint, transients. Tools: simulation, small transformer. Simulator, 45–100 h, $30–150.
- Motor Current Signature Analysis — Detect broken rotor bars and bearing faults from stator current spectra. Skills: MCSA, FFT, fault diagnosis. Tools: current sensor, Python. Data lab, 45–100 h, $30–150.
- Distance Protection Zone Simulator — Visualise mho characteristics and test fault locations against zone settings. Skills: distance protection, impedance, R-X diagrams. Tools: Python. Visualizer, 45–100 h, Software only (free tools).
- Optimal Capacitor Placement — Place capacitors on a radial feeder to minimise losses using optimisation. Skills: loss minimisation, optimisation, feeders. Tools: Python. Simulator, 45–100 h, Software only (free tools).
- Permanent-Magnet Machine Design — Size a small PM motor and verify torque and back-EMF with FEA. Skills: machine design, FEA, magnetics. Tools: FEMM. CAD / design, 45–100 h, Software only (free tools).
- Grid-Forming Inverter Control — Simulate droop-controlled grid-forming inverters sharing load in an islanded system. Skills: droop control, inverters, stability. Tools: Simulink/PLECS. Simulator, 45–100 h, $30–150.
- Partial Discharge Pattern Classifier — Classify partial-discharge phase patterns to identify insulation defect types. Skills: PD analysis, pattern recognition, insulation. Tools: Python, public datasets. Data lab, 45–100 h, Software only (free tools).
- HVDC Link Simulation — Model a two-terminal HVDC link and study power reversal and fault response. Skills: HVDC, converters, control. Tools: simulation. Simulator, 45–100 h, $30–150.
- Substation Automation Message Simulator — Simulate GOOSE/SV style messages and test interlocking logic timing. Skills: substation automation, messaging, timing. Tools: Python, network tools. Simulator, 45–100 h, Software only (free tools).
- Power System Stability Explorer — Use the equal-area criterion to find critical clearing time for a single machine. Skills: transient stability, equal area, swing equation. Tools: Python. Visualizer, 45–100 h, Software only (free tools).
- Smart Meter Data Disaggregation — Estimate appliance-level use from whole-house power data (NILM). Skills: NILM, signal processing, machine learning. Tools: Python, public datasets. Data lab, 45–100 h, Software only (free tools).
- Automatic Voltage Regulator Tuning — Model an AVR loop and tune it for fast, stable voltage response. Skills: excitation control, PID, stability. Tools: Simulink/Python. Simulator, 45–100 h, $30–150.
- Fault Location on Distribution Lines — Estimate fault distance from impedance measurements and compare with travelling-wave methods. Skills: fault location, impedance methods, accuracy. Tools: Python. Simulator, 45–100 h, Software only (free tools).
- Wind Turbine Generator Control — Simulate a DFIG or PMSG turbine with MPPT and grid-side control. Skills: wind generators, MPPT, converters. Tools: Simulink. Simulator, 45–100 h, $30–150.
- Energy Audit of an Industrial Plant — Conduct a full audit with motor, lighting and compressed-air opportunities and payback ranking. Skills: energy auditing, measurement, economics. Tools: clamp meters, analyzer. Workflow, 45–100 h, $30–150.
- Electric Bus Depot Charging Plan — Plan charger count and schedules for an e-bus depot under grid capacity limits. Skills: charging scheduling, capacity planning, optimisation. Tools: Python. Simulator, 45–100 h, Software only (free tools).
- Lightning Protection Risk Assessment — Assess lightning risk for a building and design air terminals using the rolling-sphere method. Skills: lightning protection, risk assessment, standards. Tools: CAD/web tool. CAD / design, 45–100 h, Software only (free tools).
- Power Cable Fault Locator — Pre-locate cable faults with time-domain reflectometry on a test cable. Skills: TDR, cable faults, wave propagation. Tools: TDR setup, test cable. Hardware build, 45–100 h, $150+.
Expert projects
- Substation Digital Twin — Mirror a substation's switching state, loads and protection events in a live model with what-if testing. Skills: digital twins, protection, SCADA data. Tools: simulation, historian data. Digital twin, 100 h+, $150+.
- Grid Restoration Planner — Plan black-start restoration sequences that respect generator ramp limits and load pickup. Skills: restoration, optimisation, sequencing. Tools: Python, optimisation solver. Simulator, 100 h+, Software only (free tools).
- Insulation Health Estimator — Fuse dissolved-gas, temperature and PD data into a transformer health index with uncertainty. Skills: asset health, data fusion, uncertainty. Tools: Python. Data lab, 100 h+, Software only (free tools).
- Virtual Power Plant Aggregator — Aggregate home batteries and flexible loads to bid into a market while respecting comfort limits. Skills: aggregation, flexibility, market bidding. Tools: Python, optimisation. Simulator, 100 h+, Software only (free tools).
- Adaptive Protection for DER-Rich Feeders — Change relay settings automatically as distributed generation alters fault currents. Skills: adaptive protection, DER, coordination. Tools: simulation. Simulator, 100 h+, $150+.
- Synchrophasor Oscillation Detector — Detect low-frequency oscillations in PMU data and identify their modes. Skills: PMU analytics, modal analysis, signal processing. Tools: Python, PMU datasets. Data lab, 100 h+, Software only (free tools).
- Optimal Power Flow With Renewables — Solve AC OPF with stochastic renewable output and compare robust and expected-value plans. Skills: OPF, stochastic optimisation, renewables. Tools: Python, Pyomo. Simulator, 100 h+, Software only (free tools).
- Solid-State Transformer Concept — Simulate a multi-stage solid-state transformer and evaluate efficiency and control. Skills: power electronics, SST, control. Tools: PLECS/Simulink. Simulator, 100 h+, $150+.
- Hosting Capacity Analysis — Find how much rooftop solar a feeder can host before voltage or thermal limits are violated. Skills: hosting capacity, power flow, DER. Tools: OpenDSS, Python. Simulator, 100 h+, Software only (free tools).
- Cyber-Physical Attack Detection for Grids — Detect false-data-injection attacks on state estimation using residual and ML methods. Skills: grid cybersecurity, FDI, detection. Tools: Python. Data lab, 100 h+, Software only (free tools).
- Superconducting Fault Current Limiter Study — Model a resistive SFCL and assess its effect on fault levels and protection. Skills: SFCL, fault limiting, modelling. Tools: simulation. Simulator, 100 h+, $150+.
- Peer-to-Peer Energy Market Settlement — Settle neighbourhood energy trades with network-aware pricing and fairness metrics. Skills: energy markets, pricing, network constraints. Tools: Python. Simulator, 100 h+, Software only (free tools).
- Transformer Digital Twin With Thermal Model — Run IEC-style thermal models on live load data to predict hot-spot and life loss. Skills: thermal modelling, digital twins, ageing. Tools: Python, sensor data. Digital twin, 100 h+, $150+.
- Wide-Area Damping Controller — Design a damping controller using remote signals and test it under communication delays. Skills: wide-area control, damping, delays. Tools: Simulink. Simulator, 100 h+, $150+.
- DC Microgrid for a Campus Building — Design and simulate a DC distribution system with PV, storage and DC loads. Skills: DC distribution, protection, efficiency. Tools: simulation. Simulator, 100 h+, $150+.
- Reliability Indices Optimizer — Improve SAIDI/SAIFI by placing reclosers and switches optimally. Skills: reliability indices, switch placement, optimisation. Tools: Python. Simulator, 100 h+, Software only (free tools).
- Inverter-Based Resource Fault Ride-Through — Test an inverter control scheme against grid-code voltage ride-through profiles. Skills: fault ride-through, grid codes, control. Tools: PLECS/Simulink. Simulator, 100 h+, $150+.
- Electric Arc Furnace Flicker Mitigation — Model flicker from an arc furnace and evaluate SVC/STATCOM mitigation. Skills: flicker, FACTS devices, power quality. Tools: simulation. Simulator, 100 h+, $150+.
- Probabilistic Load Forecast — Produce quantile forecasts of regional load and evaluate them with pinball loss. Skills: probabilistic forecasting, quantiles, evaluation. Tools: Python. Data lab, 100 h+, Software only (free tools).
- Self-Healing Feeder Automation — Isolate faults and restore healthy sections automatically with FLISR logic. Skills: FLISR, automation, topology. Tools: simulation. Digital twin, 100 h+, $150+.
- Electromagnetic Transient Study of Switching — Simulate capacitor and line switching transients and design surge mitigation. Skills: EMT simulation, transients, surge arresters. Tools: ATP/PSCAD-style tool. Simulator, 100 h+, Software only (free tools).
- Grid Edge Voltage Optimisation — Coordinate smart-inverter Volt-VAR curves to keep a feeder within limits. Skills: Volt-VAR control, DER, optimisation. Tools: OpenDSS. Simulator, 100 h+, Software only (free tools).
- Blockchain-Free Renewable Certificate Tracker — Track renewable energy certificates with tamper-evident logs and audit trails. Skills: traceability, audit logs, energy certificates. Tools: Python, database. Workflow, 100 h+, Software only (free tools).
- Machine Learning Protection Relay — Train a classifier to detect and classify faults from relay waveforms and test it on unseen cases. Skills: fault classification, ML, protection. Tools: Python, simulated datasets. Data lab, 100 h+, $150+.
- Underground Cable Ageing Model — Estimate remaining life of cables from thermal and electrical stress histories. Skills: cable ageing, stress models, prognostics. Tools: Python. Data lab, 100 h+, Software only (free tools).