Huadian Technology ›› 2010, Vol. 32 ›› Issue (11): 50-51.

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Problems existing in primary overspeed protection and its technical reformation scheme

YANG Shiyong   

  1. Qiafuqihai Hydropower Station of Xinjiang Ili River Basin Development and Construction Administrative Bureau, Gongliu 835400, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-11-25

Abstract: The configuration and the action process of the primary protection of the water turbinegenerator set were introduced. The problems existed in primary overspeed protection were analyzed. The technical reformation scheme of the primary overspeed protection was put forward. After the reformation scheme was implemented, the faulty action of the primary overspeed protection no longer occurred.

Key words: primary overspeed protection, faulty action, time-delay, reason analysis, technical reformation scheme