水电与新能源
水電與新能源
수전여신능원
HYDROPOWER AND NEW ENERGY
2015年
4期
30-32
,共3页
调速器%切换阀%机械零点漂移%管路改造
調速器%切換閥%機械零點漂移%管路改造
조속기%절환벌%궤계영점표이%관로개조
governor%switching valve%mechanical zero drift%pipeline renovation
为避免调速器切换阀出现机械零点飘移造成机组开机失败及在运行过程中出现溜负荷现象,对水布垭电厂4台机组调速器切换阀进行换型并对液压系统管路进行改造,提高了设备安全稳定性能。
為避免調速器切換閥齣現機械零點飄移造成機組開機失敗及在運行過程中齣現霤負荷現象,對水佈埡電廠4檯機組調速器切換閥進行換型併對液壓繫統管路進行改造,提高瞭設備安全穩定性能。
위피면조속기절환벌출현궤계영점표이조성궤조개궤실패급재운행과정중출현류부하현상,대수포오전엄4태궤조조속기절환벌진행환형병대액압계통관로진행개조,제고료설비안전은정성능。
To prevent accidents such as the startup failure or load rejection that may occur in the generator units due to the mechanical zero drift of the governor switching valve , a type alteration is carried out on the governor switching valves of the four generator units in Shuibuya Hydropower Station , and the pipeline of the hydraulic control system is also reno-vated.With these efforts, the stability of the equipment is greatly improved .