State Grid Yuanshi County power supply company staff to 220 kV Wanfu line 38 river tower to carry out special patrol to ensure the safe, reliable and stable operation of transmission lines in flood season. Photo by Liu Meijun

Overview client news (Yanzhao City Daily overview news Tu Tiecun correspondent Shi Jing Zhang Minghao) weather forecast shows that affected by typhoon "Du Suri", July 28 to August 1, most of Hebei will have large to heavy rain, local heavy rain. In order to ensure the safety of the power grid flood, on July 28, the State Grid Hebei Electric Power timely launched the flood prevention and typhoon IV emergency response, and fully prepared for the inspection and repair of power equipment in heavy rainfall weather and various flood prevention emergency preparations.

"Last year, we applied the intelligent flood control and control platform to study and judge the flood situation in real time and monitor the rain situation in key parts of the flood control. This year, on this basis, we have expanded the functions of intelligent flood warning, automatic identification of rain and water, and installed 1,800 sets of visual cameras, which can panoramic monitor the power transmission and transformation equipment and lines in important flood control parts, so that the grid flood warning is more sensitive." State Grid Hebei electric power equipment Department technology director Yue Guoliang introduced.

Hebei power departments take multiple measures to prepare for flood prevention in advance. State Grid Xiongan New Area power supply company this year in advance for all substations, integrated pipe gallery collection Wells installed visualization devices and water level sensors, through video intelligent identification, water level alarm and other ways, you can timely grasp the water situation, and equipped with a mobile pump with a displacement of 3,000 cubic meters per hour. Prevent flooding and backflooding of power equipment that may be caused by heavy rainfall.

In Handan, the local power supply company deepened the application of the "power meteorological accurate forecast and early warning system", refined the functional application to the station line level and team level, and achieved the "point-to-point" accurate push of meteorological early warning information to the handheld mobile terminals of power inspection personnel, helping them to grasp short-term heavy rainfall, wind and other meteorological changes in real time, and take flood prevention measures in advance.

In Xingtai, the power inspectors adopted the inspection mode of "human patrol + drone patrol" to strengthen the special patrol of cable trenches and drainage ditches around the substation to ensure smooth drainage of nearby ditches during precipitation and safe and stable operation of lines during flood season.

At the same time, the State grid Hebei Electric Power arranged in advance the provincial, municipal and county three special personnel to participate in the joint duty of the flood control headquarters, the personnel of important positions are on duty 24 hours a day, the formation of 1,381 emergency repair teams, 11,574 people, the reserve of 30,937 key emergency materials, the majority of cadres and employees stick to the front line, ready to stand by.

"At present, the southern region of Hebei is in the critical period of" seven down and eight up "to meet the peak of summer, we will promptly switch the power grid operation mode from" high temperature mode "to" flood control mode ", focus on doing more than 500 kV substations, transmission dense channels, cable tunnels, sluice pump stations and important flood control user power supply equipment operation and maintenance inspections, solid flood control measures, We will make every effort to ensure the safe and stable operation of the power grid." Hebei power dispatch control center Party general branch secretary Wang Qiang said.