Explore how three stationary stator windings produce a constant-magnitude rotating magnetic field, how Faraday’s induction drags the squirrel cage rotor, and why mechanical slip is mathematically required to generate torque.
Key Engineering Features:- Procedural 3D WebGL model with 5 view modes, raycaster HUD, and dual diagnostic bay.
- Synchronized 3-phase sine wave oscilloscope & 2D constant-magnitude (1.5 B_pk) RMF vector.
- Star (400V) vs Delta (230V/400V) 6-stud terminal box interactive link configuration.
- UK Supply of Machinery Regulations 2008, BS EN 60204-1 (Stop Cat 0/1/2, STO), PUWER 98, and BS 7671.
Explore our live 3D engineering model of the wound rotor motor. Inspect insulated 3-phase rotor coils, turned brass slip rings, carbon-graphite brush holders, and see how external rheostat resistance shifts peak torque directly to 0 RPM.
Key Engineering Features:- Interactive 3D model with 4-step Rheostat Lever (R_ext: 2.0Ω ➔ 0.8Ω ➔ 0.2Ω ➔ 0.0Ω Run).
- Dynamic Torque-Speed Curve plotting real-time breakdown torque shift directly to 0 RPM.
- Brush-lifting gear mechanism & slip ring carbon-graphite brush physics.
- UK Machinery Directives, BS EN 60204-32 Crane Safety (Interlocks, Thruster Brakes), DSEAR, and BS 7671.
Explore how an RCD detects 30 mA earth faults using a Core Balance CT and a high-speed polarized flux-opposing relay. Inspect magnetic flux bucking, spring latch kinematics, DC blinding, and BS 7671 verification testing.
Key Engineering Features:- Interactive animated schematic of the Core Balance CT & Polarized Permanent-Magnet Relay.
- Open 3D physics bench with Mumetal toroid, E-core magnetic yoke, and spring-loaded armature.
- 6 real-world UK fault scenarios: human shock (230mA), damp heating elements, EV DC blinding, and lost supply neutral.
- Virtual Multi-Function Tester (MFT-1845+) with 0.5x, 1x (0°/180°), 5x fast trip, and Auto-Ramp testing.
Explore why three phases separated by 120° deliver rock-solid constant instantaneous power, provide 100% neutral current cancellation on balanced loads, save 73% conductor copper, and why non-linear 3rd harmonic triplens overheat neutral conductors under BS 7671 Section 523.
Key Engineering Features:- Rotating 120° phasor wheel synchronized to live time-domain 3Φ sinusoidal voltage oscilloscope.
- Instantaneous total power comparison: single-phase 100 Hz pulsation vs three-phase zero-ripple flat line.
- Dynamic tip-to-tail vector summation engine plotting real-time neutral return current and triplen harmonic stacking.
- 73% conductor copper savings economics engine, BS 7671 Regulation 523.6.3 Table 4D5, and floating neutral fault hazards.
Explore how a solid-state VFD converts fixed-frequency AC into variable-frequency power using 6-IGBT H-bridges. Adjust carrier frequency (1-16 kHz), inspect SPWM sine-triangle pulse slicing, scalar V/f constant torque and field weakening curves, and simulate transmission line dV/dt reflection spikes.
Key Engineering Features:- Interactive animated schematic of 3-Phase Rectifier, 565V DC Bus, and 6-IGBT Inverter Bridge.
- Open 3D WebGL test bench with heatsink, DC capacitor bank, IGBT power module, and rotating motor.
- Synchronized 3-channel oscilloscope (Carrier vs Sine, Pulsed V_PWM, and Inductive Stator Current).
- Long-cable dV/dt reflection simulator with BS EN 60034-18-41 insulation limits and 5 industrial scenarios.
Explore the dual-action tripping mechanism inside a Miniature Circuit Breaker (MCB). Watch the bimetallic strip bend under sustained overload, see the magnetic solenoid plunger strike open contacts in milliseconds under short circuit, and follow the arc blowout into the 11-blade de-ion splitter chute.
Key Engineering Features:- Interactive animated cutaway of bimetal blade, magnetic solenoid coil, plunger, and de-ion arc chute.
- Open 3D WebGL DIN-rail breaker bench with translucent casing and component raycasting.
- Interactive BS EN 60898-1 log-log Time-Current curve engine with Type B, C, and D toggles and Max Zs.
- High-speed fault clearance oscilloscope, adiabatic let-through energy (I²t vs k²S²), and 5 practical scenarios.
Explore the electromechanical physics of the AC Power Triangle (P, Q, S). Watch inductive magnetic flux demand non-working reactive current, observe instantaneous negative power oscillation lobes, and inspect 3D automatic capacitor banks with 7% detuned anti-resonance reactors.
Key Engineering Features:- Interactive animated Power Triangle & rotating phasor kinematics with particle energy flow.
- Open 3D WebGL industrial PFC substation cubicle (MKP capacitors, 7% detuned reactors, contactors, APFC relay).
- Time-domain 3-channel oscilloscope (v, i, p(t)) revealing negative energy sloshing back into the grid.
- Capacitor sizing nomogram, harmonic resonance spectrum (ENA EREC G5/5), and 5 practical industrial scenarios.
Explore why single-phase AC motors produce zero starting torque at standstill. Discover Ferraris Double Revolving Field Theory, auxiliary starting windings, start and run capacitors, centrifugal switch disconnects at 75% speed, and the 4 classic industrial motor topologies.
Key Engineering Features:- Double Revolving Field vector scope showing forward (+ns) and backward (-ns) counter-rotating flux fields.
- Main vs auxiliary stator phasor engine with capacitor slider demonstrating 90° circular RMF synthesis.
- Interactive 4-topology workbench: Split-Phase, CSIR (Cap-Start), PSC (Permanent Split), and CSCR (Two-Value).
- Centrifugal switch disconnect mechanics at 75% synchronous speed with dynamic torque-speed curve handover.
Explore the microscopic physics of magnetic circuits: Weiss domain rotation, non-linear B-H hysteresis saturation loops, remanent flux (Br), coercive force (Hc), Steinmetz iron loss calculations, and why laminated core steel reduces circulating eddy currents by up to 99% under BS EN 60404.
Key Engineering Features:- Interactive B-H hysteresis loop with real-time Weiss atomic domain alignment scope.
- Material selector across 4 magnetic grades: CRGO M4 steel, Mumetal, MnZn Ferrite, and Mild Steel.
- Core lamination simulator with Carlite varnish insulation proving P_eddy scales with thickness squared (d²).
- Magnetic circuit Ohm’s law engine with air gap reluctance and MMF drop calculations.
Explore the electromechanical physics of Faraday’s mutual induction: core alternating flux (Φm), winding turns ratio (N1/N2), equivalent circuit leakage reactances, the mathematical proof that peak efficiency occurs when iron losses equal copper losses, 3-phase Dyn11 vector groups, and UK statutory EcoDesign Tier 2 loss regulations under BS EN 60076.
Key Engineering Features:- Laminated silicon steel core cutaway with live mutual flux lines and turns ratio step-down / step-up toggles.
- Full equivalent circuit phasor diagram calculating primary and secondary leakage voltage regulation (ΔV%).
- Condition for maximum efficiency engine proving peak η occurs when fixed iron losses equal variable I²R copper losses.
- UK 3-Phase 11kV/400V Dyn11 distribution substation vector group clock face and EcoDesign Tier 2 loss limits.