大型水轮发电机定子线棒工频击穿试验方法及标准的探讨  

Research on Breakdown Test of Large Hydrogenerator Stator Coils

作　　者：邹祖冰[1] 杜建国[1] 

机构地区：[1]中国长江三峡集团公司机电工程部,湖北宜昌443002

出　　处：《大电机技术》2011年第6期33-35,共3页Large Electric Machine and Hydraulic Turbine

摘　　要：工频击穿是考核高压电气设备绝缘性能的一项重要试验,工频击穿试验直接影响对绝缘性能的判断。本文结合三峡工程左、右岸及溪洛渡、向家坝电站的定子线棒出厂试验实际情况,就定子线棒的工频击穿试验的有关问题进行分析,特别是击穿电压值和升压速率的确定,探索适合大型水轮发电机定子线棒的工频击穿试验的方法。Breakdown test is an important index reflects the insulation level of high voltage electrical equipment. Breakdown test directly influence insulation performance of the judgment. The paper based on actual test stator coils breakdown test of left and right bank stations the three gorges project, xiluodu and xiangjiaba station, For stator bars of breakdown test of related problems are analyzed, Especially breakdown voltage value and voltage increase rate, Research on breakdown test of hydro-generator stator bars.

关 键 词：大型水轮发电机 定子线棒 工频击穿试验 击穿电压值 升压速率 

分 类 号：TM306[电气工程—电机]