CET and IIT Madras Secure Patent for Novel Voltage Device

May 28, 2024

The Indian Institute of Technology Madras (IIT Madras) and the College of Engineering Thiruvananthapuram (CET) have made big steps forward in electrical measurement technology by getting a patent for a new device that measures voltage without touching it. This new invention is a major step forward in the field of electrical engineering.

Overview of the Patent

The Indian Patent Office awarded the patent to a project labeled “An instrumentation system with a fully non-intrusive probe for AC voltage measurement.”Boby George, who is Head of the Department of Medical Sciences and Technology at IIT Madras, and P.S. Shenil, who is an Associate Professor in the Department of Electrical and Electronics Engineering at Government Engineering College, Barton Hill, worked together on this project. It’s important to note that Dr. Shenil has worked with CET before.

Technical Details of the Device

The patented device accurately measures AC voltage without having to remove the insulation from live wires, which is different from other methods that need to be in direct touch with the electrical system. A sensor tool, a measurement unit, a processor, and a display unit make up the main parts of this system. The probe is very creative; it has a cylinder-shaped electrode that is split into two hinged half-circle rings. This lets it be opened up and clamped around a wire like a current transformer.

Applications and Implications

This technology creates a better, non-intrusive way to measure voltage, which lowers the risk that comes with using older methods. It can do more than just measures. It can also connect to Internet of Things (IoT) devices, smart energy meters, and smart home systems. It can also be used to maintain electrical tools and industrial machinery, which could lead to higher safety standards and better efficiency in many areas.

What is a Contactless voltage measurement device?

Contactless voltage measurement devices, also known as non-contact voltage testers (NCVTs), detect electrical voltage without direct contact with conductors. By using capacitive coupling from the target wire to the sensor, they keep people safe by using lights or sounds to show when voltage is present. Most NCVTs are pen-shaped, which makes them easier to carry and use in small places. They can tell the difference between AC and DC power and work by sensing changes in electromagnetic fields. New features in NCVTs let you change the level of sensitivity so they can precisely find other electronic devices.

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