Abstract
The rapid development of the smart grid has led to higher maintenance cost and greater scalability of transmission lines. An effective and secure monitoring system for power lines has become a bottleneck restricting the intellectualization of power grids. To address this problem, a novel method is proposed for the intelligent monitoring of power grids (Robot Delay-Tolerant Sensor Network, RDTSN) based on an inspection robot, Wireless Sensor Network (WSN) and Delay-Tolerant Sensor Network (DTSN) to achieve low-cost, energy-efficient, elastic and remote monitoring of power grids. With RDTSN, a smart grid can detect the fault of transmission lines and evaluate the operational state of power grids. To build an effective monitoring system for a smart grid, this research focuses on designing a methodology that achieves efficient and secure delivery of the data inspected on transmission lines. Multiple RDTSN scenarios are performed, in which different routing algorithms are explored to determine the optimal parameters, with a balance in network performance and financial cost. Furthermore, a data delivery strategy is introduced to ensure communication security.
Highlights
The smart grid is a move to upgrade traditional power systems to modern power grids with a high level of automation [1]
This paper proposes a novel method of wireless monitoring system for transmission lines using
Robot Delay-Tolerant Sensor Network (RDTSN) is able to act as a new type of intelligent monitoring system to automatically inspect transmission lines
Summary
The smart grid is a move to upgrade traditional power systems to modern power grids with a high level of automation [1]. An electric power system consists of numerous elements. If the power elements fail, it will cause huge economic losses. Power lines have been expanded into harsh environments, increasing the difficulty of communication and monitoring [2]. Due to the increase of electricity demand, complex towers with multi loops are used more frequently, increasing the difficulty of fault detection and making inspection more dynamic and specific [3]. It is urgently necessary to adopt advanced equipment and methods to monitor the power grid effectively. It is of great practical significance to research intelligent monitoring and communication systems for transmission lines [1,4]
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