GILs (Gas-insulated Transmission Lines) are a safe and flexible alternative to over-head lines. They often take up less space while providing the same power transmission. GILs can be considered for a wide range of applications since they have minimal effects on the surrounding environment and their low electromagnetic radiation means that they can be placed in close proximity to, or even within, buildings. They are suitable for connecting power plants to the grid or as a space-saving means of connecting high-powered industrial equipment to the public grid.
GILs use a metal-enclosed rigid structure to achieve large transmission capacities, low losses, small footprints, flexible layouts, high reliability, improved safety, maintenance-free, long life, minimal environmental interaction and other advantages. Through reasonable planning and design, not only can the use of GILs greatly reduce system cost, but they can also lead to improved system reliability. Due to all these advantages, GILs have been widely used in recent years.
As the power transmission channel, GILs’ safety and stability is essential to power plants. The main hidden dangers of GILs are problems arising from faulty insulation. Currently, the industry is focusing on monitoring partial discharge, gas pressure, temperature, SF6 gas Leakage and generating automatic fire alarms. However, these efforts seem to have neglected online monitoring of internal insulation breakdown and short-circuit fault location. To fill this gap in the industry, Innovit Electric has developed a monitoring technology based on our rich knowledge and experience of high-voltage electrical insulation and online monitoring. This product has proven to be an effective solution to quickly locate the positions of faults and to subsequently alert the operators, which has improved the uptime of our customers’ distribution systems.
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