Abstract
The current condensation phenomenon inside the ring main unit will cause corrosion of components, short circuits, partial discharges and other problems, which will seriously affect the safety and durability of power supply. In response to the above problems, this paper designs and builds a condensation test platform, conducts an experimental analysis on the factors that cause condensation, and combines the conclusions drawn to propose a remote monitoring system for anti-condensation. Operation and maintenance personnel can use a small program to remotely monitor the internal environment of the ring network cabinet and deal with condensation in a timely manner. The application of this system provides great convenience for the operation and maintenance personnel, and also has a significant impact on the monitoring and maintenance of the anti-condensation of the ring network cabinet.
Highlights
With the introduction of the smart grid concept and the further increase in the scale of the demand for the distribution network, power companies have higher and higher requirements for the quality of power supply and the reliability of power supply [1]
An important means to improve the reliability of power supply is to adopt the ring network power supply technology
When the dust and liquid water vapor adhering inside the ring main unit are mixed, a conductive channel will be formed in the cabinet, which will affect the electrical insulation performance of the ring main unit equipment, so that the area that should not be conductive is transformed into an abnormally conductive area
Summary
With the introduction of the smart grid concept and the further increase in the scale of the demand for the distribution network, power companies have higher and higher requirements for the quality of power supply and the reliability of power supply [1]. The key equipment of the ring network power supply is the ring network cabinet, which is a combined switchgear, which can combine multi-loop in and out lines, play a role in switching the operation mode of the distribution network, and ensure the power supply safety of the distribution network. It is widely distributed in substations, switch stations, factories and other areas. It will inevitably cause local power supply interruption and even regional power grid paralysis accidents, causing huge economic losses, so the research on the analysis of the condensation phenomenon of the ring network cabinet and the study of solutions is very important
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