An anti-power theft method for secondary circuit of energy meter current transformer
At present, power theft ways become increasingly subtle and intelligent. Power theft not only has caused a great loss to the nation and the power sector, but also has brought serious security risks to the equipment and personal health. Although the power theft behavior of the energy meter voltage transformer secondary circuit has been well recognized and effectively suppressed, the anti power theft method for the secondary circuit of the energy meter current transformer is still a weak link. Therefore, this paper proposes a transient method based anti power theft method for the secondary circuit of the energy meter current transformer. This method applied the pulse signal to the secondary circuit of the energy meter current transformer first, then obtained the equivalent resistance and inductance parameter of the circuit by measuring the transient value of the circuit response current. Comparing these parameters with the original parameters of the circuit, we can judge the circuit state and power theft way. The simulation results verify the accuracy and reliability of the proposed method, which is a new anti power theft method of the energy meter.
Design and Implementation of Modular Smart Meter Device to detect and locate Power Theft using PLC Communication
India is a country with a vast population of 13 billion people. With such a vast power system network, India’s power system experiences a loss of INR 3000 crore due to power theft. In 2016, India reported a loss of 16.2 billion USD due to power theft. Losses are generally classified into technical and non-technical losses. The difference between energy consumed by metered loads and the total energy supplied by the distribution transformer is referred to as non-technical loss. Non- technical losses mainly refer to the power theft through meter tampering and tapping the low-tension lines in the distributed network. This paper proposes a feasible solution for the power theft problem by implementing a modular device that can partially convert the conventional electromechanical meters into smart meters that can utilize PLCC as a means of communication. The power theft detection system has been implemented in the Simulink environment.
GSM-based monitoring and control system against electricity stealing
The tricks of electricity stealing ,its harmfulness ,and the measures against it are discussed . A scheme of real - time monitoring and control system to prevent electricity stealing is introduced ,which is based on GSM ( Global System for Mobile communication ) network.Its work principle ,software of electricity stealing detection and technical features is analyzed.