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讨论了水泵的合理调速范围、泵型的选用与搭配、调速控制方式及调速节能效果的评价等问题。分析了调速运行中存在的“死区”。提出了缩减“死区”范围使泵高效运行采取的措施。
Discusses the reasonable range of pump speed, selection and matching of pump type, speed control mode and the evaluation of energy-saving effect of speed regulation. Analyze the “dead zone” existing in speed regulation operation. Proposed to reduce the “dead zone” range to pump efficient operation of the measures taken.