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China Southern Power Grid plans to invest 26 billion 900 million in the 28 urban construction power

Date:07-01  Hits:367  Belong to:Industry Trends
In the face of extreme natural disasters, how to avoid the movie doomsday catastrophic blackout scene has become a reality, or at least to ensure the city core area of power, to reduce the social and economic impact of the disaster may cause?
In this regard, the South China power grid for the first time proposed the concept of disaster prevention at the end of the grid, issued a special plan for the 28 major cities at the end of the grid. “ &rdquo 13th Five-Year; during the southern Power Grid Corp in 28 important city construction base grid infrastructure investment of about 26 billion 900 million yuan, covering the main city of southern region including Guangzhou, Shenzhen, and the center city in the coastal area, heavy winds to other cities in the region.
“ since June, precipitation in China's Southern China region has increased significantly. It is estimated that 7&mdash still has 4&mdash in September; 6 typhoons have landed in Guangdong, Guangxi and Hainan coastal areas. ” China Southern Power Grid Planning Development Division Director Xu Daming said, China Southern Power Grid is located in natural disaster, typhoon, earthquake, snow and freezing debris and other high-risk areas, prone to natural disasters over.
  &ldquo ” according to the plan, 13th Five-Year; during the China Southern Power Grid will focus on promoting the 28 important base city grid planning and construction, including the other 13 cities in 15 main city of Guangzhou, Shenzhen, Nanning, Kunming, Guiyang, Haikou, Zhanjiang, Qujing and other urban centres in the coastal area, winds of heavy ice.
In these 28 cities, the southern power grid will appropriately raise the standard for the protection of the bottom grid. In the coastal strong wind area, the planned new power grid project will be built according to the meteorological return period of 50 years. It is expected that the windbreak capacity of overhead lines under 220 thousand volts and below shall be increased by 20%— 25%. In the coastal areas, the southern power grid will be combined with urban planning and development and integrated pipe corridor construction needs, to promote the cable distribution at the end of the security line, and ensure the transformation of households at the basic substation. In the heavy ice area, base line configuration of the ice melting device, ensure that the ice disaster case base grid “ grid collapse ”.
Xu Daming believes that the construction of the power grid at the end of the grid is to promote the disaster prevention and mitigation of power grid to “ active defense ” change. “ conventional power grid construction, mainly to enable everyone to use electricity, each region is built according to the same standards, there is not much consideration for disaster prevention in the core areas. Once the typhoon and other natural disasters cause blackouts, we can only passively repair. ” he said that the construction of the "power grid" at the end of the year would be a comprehensive analysis of past disasters and a predictable increase in the level of disaster prevention in the core areas. Xu Daming revealed that within the scope of the planning of the 28 urban power grid, according to their respective disaster characteristics to take appropriate measures.
According to the safety of power grid construction planning, is expected to 2020, the 28 important city disaster prevention base network average covering key users around 80%, 220 thousand volt base grid scale average accounted for about 1/3, 110 thousand volts at the end of the grid scale accounted for about 20% of the average.
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