摘要
以某工业企业存在大量高压异步电动机负荷的110 kV变电站为例,通过某电气计算软件建模计算的方法,验证了高压异步电动机只在电动机附近对短路峰值电流有影响的结论,介绍了大型高压异步电动机对短路电流影响程度和影响时间,变电站设计为此所采取的相应限流措施,以及电气设备选择和动热稳定校验时应注意的问题,供工程技术人员参考。
Taking 110 kV substation with lots of high-voltage asynchronous motor loads of certain industrial enterprise as an example, this paper verified the conclusion that there were impacts on short circuit peak current, only near high-voltage asynchronous motors via modeling calculation of certain electrical calculation software. Introduction was made to the impact degree and time of large-sized highvoltage asynchronous motors, the corresponding current limit measures in substation design and the selection of electrical equipment and cautions at the time of dynamic thermal stability rectification for engineering and technical personnel as reference.
出处
《电工电气》
2012年第1期43-46,共4页
Electrotechnics Electric
关键词
高压异步电动机
短路电流
变电站设计
high-voltage asynchronous motor
short circuit current
substation design
