Abstract
The increasing requirements of security operation and service quality have brought challenges to the construction and maintenance of the smart substation. In this paper, a movable and self-extensible apparatus is developed for enhancing the security and efficiency of substation construction and electrical infrastructure maintenance. The designed apparatus is equipped with a complete set of pneumatic and electric tools to achieve the integration and fastening of small electrical parts. Moreover, the developed apparatus structure can be self-extensible and self-propelled by automatically controlling the servo-drive system. Considering the extreme weather events such as strong wind, snowstorm, and the integrated blizzard conditions, the overall framework and control system of the apparatus is designed based on the finite element method, and the modal analysis and static analysis are implemented to verify stability and rigidity for the assembled apparatus frame. The security evaluation results and on-site application indicate that the apparatus can effectively enhance the security of maintenance personnel and work efficiency with characteristics of low cost, automatic control, excellent insulation, easy operation as well as high reliability.
Highlights
With the increasing penetration of intermittent energy and the rapid development of smart grid technology, the security and efficiency of substation construction and electrical infrastructure maintenance have received widespread attention [1]
The auxiliary apparatus development for on-site construction becomes an essential task to VOLUME 8, 2020
Considering the extreme weather events such as snowstorms, strong wind, and the integrated blizzard conditions, the overall framework and control system of the apparatus is designed based on the finite element method
Summary
With the increasing penetration of intermittent energy and the rapid development of smart grid technology, the security and efficiency of substation construction and electrical infrastructure maintenance have received widespread attention [1]. Improve work efficiency and ensure the safety of personnel and electrical equipment in practical engineering To address these problems, the idea of the container was introduced to deal with goods carriage in the field of on-site construction, ports, mining, and other regions [9]–[11]. Based on the advantages of container building [18] and tracked vehicle [19], a movable and self-extensible apparatus was developed and implemented in this paper to enhance the automation level of substation construction and security of maintenance personnel. The on-site application in the 500 kV substation of Hunan province validates the stability, practicability, and low-cost performance of the developed apparatus
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