NIT Andhra Pradesh Researchers Develop Computing Stack to Monitor and Control Electrical Loads

Researchers plan to establish a start-up to commercialize this device, which will help solve challenges of micromanagement of electricity & has applications such as IoT farming, Smart Street Lighting, Energy management in Micro and Smart Grids

TADEPALLIGUDEM : National Institute of Technology Andhra Pradesh Researchers have developed an ‘Edge Computing Stack’ to monitor and control electrical loads through Smart Powerline communications. This device is an Internet-of-Things (IoT) based electrical switch designed to check the consumption of electrical appliances.

The device is unique due to its hybridized approach of power line communication and Wi- Fi and has published an Indian patent. It has been developed by Dr. Sri Phani Krishna Karri, Assistant Professor, Department of Electrical Engineering, NIT Andhra Pradesh along with Mr. LN Sastry Varanasi, Research Scholar, Department of Electrical Engineering, NIT Andhra Pradesh.

Highlighting the key aspects of this device, Dr. Sri Phani Krishna Karri, Assistant Professor, Department of Electrical Engineering, NIT Andhra Pradesh, said, “The system addresses energy mismanagement at consumer end, which is a problem for both the utility company and customer. This product is intended to optimally manage electrical energy and monitor appliance level health by utilizing the existing electrical infrastructure. This will also reduce the recurring maintenance cost and the power bill.”

The system consists of two modules namely ‘Master’ and ‘Slave.’ The Master Device communicates with a mobile device through a wireless medium. The Slave devices are directly connected to electrical appliances, which sense the voltage, current, power and power factor of each appliance. The sensed information is communicated to the Master Device through a Power Line Communication (PLC).

The system efficiently uses the existing electrical infrastructure as a communication medium inside the house or the organization which records the consumption of each electrical appliance and makes it available for the user to monitor and control via a mobile device remotely.

Highlighting the commercialization of the patent on this device, Mr. L N Sastry Varanasi, Research Scholar, NIT Andhra Pradesh, said, “We are planning to commercialize the product by establishing a start-up and grow as an individual entity. However, for wider outreach, we are looking at licensing the technology to develop various products.”

The unique contribution of this patent is the optimal usage of both Wi-Fi and Power Line Communications whereas the existing solutions are mainly based on Wi-Fi, Bluetooth, and a combination of both.

The AI-based suggestive mechanism of this patent will help the user to get notifications regarding the health of the appliance.

In the existing devices, automatic electrical switches are limited to operate the loads via wireless medium and they fail to record and store the consumption data of each electrical appliance. The invention is a miniaturized, low-power, flexible, easy to mount plug-and-play system and it can be used in building energy management systems.

Prof. C. S. P. Rao, Director, NIT Andhra Pradesh has appreciated the work done by the faculty member and the scholar and encouraged the staff for such interdisciplinary based collaborative research work in emerging applications.

Further Prof. Rao said that IoT-based monitoring system for individual appliances will help the consumer for balanced utilization of energy and also save the power bill.


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