1. Home
  2. technical service

汽轮发电机转子可靠接地为什么可以防止轴承损坏？

2018-03-06

　　因汽轮机在运行中，蒸汽冲动叶片，造成大轴带电荷，运行中的轴与轴瓦之间不是直接接触的，有一层均匀的压力油膜，使轴电荷不能释放出，积累效应，其轴对地电压升高，达到一定的电压后，易击穿轴瓦的油膜，使轴瓦烧损。接地碳刷可以将大轴在高速转动中与蒸汽摩擦产生的静电泄到大地，保护轴承不被电腐蚀。

McAfer International Trading (Shanghai) Co., Ltd. was founded in 1991, and its headquarter is located in eslingen, Germany. The company is committed to the R & D and manufacturing of high performance, low noise and low vibration silent bearings.

Building 1, No. 188 Xinghuo Road, Qingcun Town, Fengxian District, Shanghai

Mobile Site

1996 © McAfer International Trading (Shanghai) Co., Ltd. ALL Right Reserved