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Electrical Machines & Power SystemsDiscipline: Electrical Machines I (EEE2003)

DC Motors, Speed Control & Testing Lab

Interactive DC motor engineering laboratory featuring torque-speed characteristics (Shunt droop vs Series runaway), speed control methods (Field flux weakening & Armature resistance), Ward-Leonard drive, 4-point starter, and virtual Swinburne / Hopkinson test runs.

Instrument State:Live Analytical DSP Engine
Calibrating DSP Instrument Pipeline...

Technical Instrument Specifications

Governing LawEb = V - Ia·Ra (Natural speed governor), T = 0.159·Φ·Z·Ia·(P/A)
Torque-SpeedShunt constant-speed vs Series hyperbolic (T ∝ Ia²) runaway warning
Speed ControlField weakening (above base), Armature rheostat, Ward-Leonard 4-quadrant
Efficiency TestsSwinburne no-load loss separation & Hopkinson regenerative heat run

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Single-Phase Transformer & Phasor Lab

Interactive transformer engineering laboratory featuring referred equivalent circuits, interactive phasor diagrams (lagging/unity/leading loads), efficiency vs load fraction curves, and simulated OC/SC test benches.

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Three-Phase Transformers & Auto-Transformers Lab

Interactive power engineering laboratory exploring 3-phase vector groups (Dyn11, Yd1, Yy0), Open-Delta (V-V) emergency capacity derating, Scott-T 3Φ-to-2Φ orthogonal transformation, and Auto-Transformer copper savings.

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DC Generators & Armature Reaction Lab

Interactive DC machine generator laboratory analyzing EMF equations (Lap vs Wave windings), Open-Circuit Characteristic (OCC) self-excitation build-up, critical field resistance (Rc), armature reaction MNA shift, and external load curves.

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