Wireless sensor network monitoring algorithm for partial discharge in smart grid

摘要

With the continuous improvement of power grid intelligent requirements, the Power Internet of Things develops rapidly. Substation is an important part of the power grid. The real-time monitoring of its equipment is conducive to the timely detection and removal of power supply faults. In this paper, a monitoring network is built for partial discharge (PD) of high voltage (HV) equipment. According to the three-dimensional characteristics of the equipment, the deployment strategy of ultrasonic sensors for PD monitoring is discussed. A virtual force algorithm based on adaptive angle adjustment is proposed. It is proved that the application of that algorithm can cover more than 94% of target in the range of controllable convergence. According to the target triggering characteristics of PD, the networking method of wireless sensor network is discussed. A sensor cooperation scheme based on the standing guard protocol is proposed, which verifies its energy saving and time delay shortening effect on the basis of ensuring the target acquisition rate. This paper describes the application of dynamic alliance routing protocol in PD information transmission, designs the process and steps of the protocol. Its performance is better than LEACH and Opportunity Routing protocol.