The 110KV Junshan Substation is located in the west area of ​​Ji'an County Industrial Park. This substation is the central substation in Ji'an County, which plays a pivotal role in the power dispatching and control of the county. It covers an area of ​​7200 square meters. , the total investment of the project is 25 million yuan. In 2015, the 2# main transformer of Junshan 110kV substation was renovated and expanded, and the capacity of the main transformer was 50MVA. The total investment of the project was 9.48 million yuan. It fundamentally solves the demand for the rapid growth of electricity load in industrial parks, and provides a safe, stable and reliable power guarantee for the increasing electricity consumption in county towns and the development of enterprises in industrial parks.

However, the SF6 leakage alarm system used in the GIS switch room was a product in Jiangsu and Zhejiang. The company's maintenance personnel reported that the product was frequently abnormal. After many repairs by the product manufacturer, the abnormality still occurred, and the current environmental monitoring situation and frequent abnormality were not displayed. Call the police.
 
The company recently introduced an advanced SF6 concentration online monitoring system (Winfoss-S1) to Weavers Testing Technology (Shanghai) Co., Ltd. to replace and install new and old GIS switch rooms, so that the SF6 switches in the plant and the work area Real-time automatic comprehensive monitoring and control of oxygen content, equipment operation status and gas content in the work area are more transparent, which effectively guarantees the personal safety of maintenance personnel and the operation of GIS equipment, and plays a very important role in preventing accidents.