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谏壁发电厂 8号 (30 0 MW)机组改造后在 96h试运行停机期间进行了辅机故障甩负荷试验 ,取得了成功。介绍了 RUNBACK试验的方式及分析 RUNBACK试验的控制曲线 ,指出在燃料 RB时 ,适当降低主汽压力对汽温的控制十分有益 ;而在给水泵 RB时 ,将主汽压力控制在 1 3MPa较佳 ,这为事故工况的处理提供了理论依据。
After the transformation of No.8 (30 0 MW) unit in Jianbi Power Plant, the auxiliary load rejection load test was carried out during the 96h trial operation shutdown, and achieved success. The way of RUNBACK test and the control curve of RUNBACK test are introduced. It is pointed out that it is beneficial to reduce the main steam pressure to control the steam temperature properly when RB fuel is used. When the feed pump RB is used, it is better to control the main steam pressure at 13MPa , Which provides a theoretical basis for the handling of accident conditions.