In the early morning of June 7, the staff of State Grid Wuhan Power Supply Company rushed to use the drone fire-fighting operation before the start of the college entrance examination, successfully handling the thin plastic fluttering on the 220 kV high-voltage line near Sanjintan in Hankou, avoiding short circuit. The impact of tripping on the power supply of the college entrance examination.
On the morning of the same day, the power-inspector found that there were three foreign objects on the 14#+1 pole tower wire of the 220 kV Li De Line in the Sanjintan Wastewater Treatment Plant in Hankou. They were all nearly 10 meters long plastic film, and the wind fluttering film A short circuit trip may occur at any time. The 220 kV Li De line is one of the main power sources of the 220 kV Deshengtang substation. Once the trip occurs, the 10 kV outage of the Deshengtang substation will be cut off, which will affect the power supply stability of the six college entrance examination sites in the riverbank.
In an emergency, the transmission and inspection room of the State Grid Wuhan Power Supply Company quickly deployed the drones to the scene, and used the drone to precisely fire the plastic film one by one and burn it. At 6:40, after 10 minutes of operation, all the foreign objects on the high-voltage line were successfully processed, and the safety power supply of the Deshengtang substation and the college entrance examination was successfully eliminated.
It is reported that during the college entrance examination, the State Grid Wuhan Power Supply Company organized more than 2,000 staff members to conduct on-site inspections of substations, power supply lines and test sites involved in the city, and equipped with emergency power generation vehicles to be on standby.
This morning, Anhui Wuhu Lijiang Traffic Police and Teyuanxin Company launched the S450 drone policeman with a flying altitude of 200 meters and a radius of 1000 meters. It carried out wide-range, all-round, multi-angle and flexible air patrols to reach fast-handling traffic. Accidents, timely traffic congestion, effective clean-up of illegal parking, and accurate supervision of duty and police force, thus ensuring safe, smooth and orderly road traffic around the Wuhu college entrance examination.
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