Projects / Electrical / Electrical project 61

Switched Reluctance Motor Drive with Rotor-Position Sensing

Approx. component budget: Rs. 7,000 - 12,000

Objective

Run a magnet-free motor and study how the switching angles change torque, current and noise.

What you will build

A small 6/4 switched reluctance motor, an asymmetric half-bridge driver, a position sensor and a controller that fires phases at the right angle.

Results you can expect

• Speed vs load
• Current waveform per phase
• Efficiency at 3 firing-angle sets
• Torque ripple estimate
• And noise comparison with a BLDC motor

What you will learn

Reluctance torque, converter design for SRMs and why they are used in EV research.

Tools and notes

SRM or a rewound stator, MOSFET half-bridges, optical or Hall position sensor, STM32/Arduino, scope. Provide current limiting and a flyback path for safe testing.

Resume points from this project

• Built and tested Switched Reluctance Motor Drive with Rotor-Position Sensing; objective: run a magnet-free motor and study how the switching angles change torque, current and noise.
• Measured and analysed speed vs load and current waveform per phase; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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