正压外壳型高压三相异步电动机的密封设计

Key Points on Sealing High-Voltage Three-Phase Induction Motor with Pressurized Enclosure

介绍了正压外壳型高压三相异步电动机的核心技术、优点及吹扫装置的应用。提出通过对电机密封结构的改进,有效地解决了大型正压外壳型高压三相异步电动机的密封问题。

This paper introduces the core technologies and advantages of high-voltage three-phase induction motor with pressurized enclosure, describes the application of purging de- vice, and puts forward the improvements of sealing structure. It has effectively solved the seal- ing matters of large-sized high-voltage three-phase induction motor with pressurized enclosure.