Prevention of illegal distribution line tappings

Abstract

Power theft is one of the major concerns of many developing countries including India. The state of Jammu and Kashmir is one of the worst affected states of India, having about 50% of transmission and distribution losses. The proposed work is an attempt to stop the losses by preventing the power theft, using encoding and decoding techniques of the analog signal. Encoding is done at the distribution transformer and the decoding circuit is incorporated within the smart electrical energy meter. The power line between the distribution transformer and the energy meter is protected as encoded power flows through it which cannot be used for running the home appliances, therefore providing protection against illegal distribution line tapping's. The proposed system is developed using Simulink.