The impact of this round of cold wave weather on the central and eastern regions is still continuing, and in Chenzhou, Hunan Province, a number of ice-melting high-tech equipment with independent intellectual property rights are escorting the power grid.
When the reporter first arrived at the Liufeng substation in Guiyang County, Chenzhou, Hunan, he was catching up with the staff here taking a boxed lunch.
Huang Liu'an, the head of the substation transportation inspection team of the State Grid Chenzhou Guiyang County Power Supply Company: "It is to let the driver go to get a few box lunches to eat, if it is the kind that is particularly far away from the township, we will bring our own instant noodles." ”
Huang Liuan told reporters that the substation is unattended every day, and it only needs to complete the daily inspection according to the specified time. However, due to the cold air that has been hovering in this area recently, it has also become their temporary residence.
Huang Liu'an, the head of the substation operation inspection team of the State Grid Chenzhou Guiyang County Power Supply Company: "Our anti-freezing and ice-thawing operation basically occurs in the middle of the night, and then often lasts for more than 4 hours, so we arranged a simple bed to facilitate our operators to rest. ”
Reporter: "It's just a bed, just sleep." ”
Huang Liu'an, the leader of the substation operation inspection team of the State Grid Chenzhou Guiyang County Power Supply Company: "Simply sleep." When the ice is melted, because the current may reach 1 thousand amperes, 2 thousand amperes, if the current is too large, we need to protect this device completely, so that we can protect our grid equipment from the current of anti-freezing and thawing. ”
Outside the main control room of the substation, the official and stable start of the mobile DC ice melting device vehicle made Huang Liuan breathe a sigh of relief. As more than 1000 amperes of current is transmitted to the wire through the ice melting channel, the power gradually increases, and the wire temperature also rises rapidly, and the efficiency of ice melting is also greatly improved.
Zhu Yuan, a staff member of the Disaster Prevention and Mitigation Research Office of the State Grid Hunan Disaster Prevention and Mitigation Center: "Every year before the ice period, we will deploy this device in advance into the substation that is easy to freeze according to the ice conditions, and the ice covering on the line of about thirty or forty kilometers can be melted in an hour. ”
In addition to the DC ice melting device for mobile devices, de-icing robots were also put into use this year. In Shaoyang Longhui Xiaoshajiang 10,000 volt Xiaolan line, the reporter saw that the distribution network electrified de-icing robot is incarnating the line "scavenger", rotating its mechanical arm to break the line ice, this intelligent control, carrying a lightweight live de-icing robot, for the distribution line "ice breaking and reducing the burden".