摘要
地磁感应电流(GIC)与磁暴强度、大地构造、电网结构等很多因素有关。在建立的分层大地模型基础上,依据2006年12月磁暴的地磁数据,采用基于平面波理论的大地感应电场算法,完成了北京2012年规划电网GIC水平的计算,并与阳淮输电系统上河变电站的GIC实测数据进行了比较。结果表明,在中低纬地区,大地电导率、电网结构和电气参数的影响更大。
Geomagneticly induced current （GIC） relates to factors such as magnetic amplitude, geotecture and the structure of power grid. On the basis of the layered geotecture, using the geomagnetic storm data in December 2006, this paper calculates the GIC level of Beijing power grid in the 2012 planning by means of the plan wave method for the earth electric induction algorithm and compares the calculation result with the GIC data actually measured in Shanghe Substation in Yanghuai power transmission system. The comparison shows that power grid is much more affected by earth conductivity, power grid structure and electrical parameters in areas of middle and low latitudes.
出处
《电网与清洁能源》
2013年第1期50-53,57,共5页
Power System and Clean Energy
