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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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汽动给水泵组性能在线监测
, PP. 82-86
Keywords: 汽动给水泵,性能,在线监测,小汽轮机,相对内效率
Abstract:
建立机组热力系统和低压缸-低压回热开口热力系统,联立2个热力系统的热平衡方程式消去共有的凝汽器冷源损失,求出给水泵焓升带入给水的能量,进而得到给水泵的轴功率和驱动给水泵汽轮机(小汽轮机)的实际内功率,在线监测给水泵的效率和小汽轮机的相对内效率,从而实现汽动给水泵组性能的在线监测,并将该方法应用于某台660mw汽轮机组的性能检测。结果表明,该方法与热力学计算方法吻合较好,可实时进行数据采集和处理,在线监测、分析汽动给水泵组的性能变化。
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