技术中心

英文篇名】 Design and control strategy of secondary pumping systems 【作者中文名】 李建兴; 涂光备; 涂岱昕; 【作者英文名】 By Li Jianxing; Tu Guangbei and Tu Daixin Tianjin Municipal Engineering Design Tianjin; China; 【作者单位】 天津市市政工程设计研究院; 天津大学; 天津大学建筑设计院; 【文献出处】 暖通空调, Hv 桥管; 定压差控制; 负荷分布; 【英文关键词】 secondary pumping system; bridge pipe; constant pressure difference control; load distribution; 【摘要】 分析了空调二次泵变水量系统的特点及其负荷调节方法,探讨了水泵变速调节中系统定压差控制的相关问题。分析结果表明,二次泵系统具有较好的水力稳定性,水泵调速采用远端定压差控制时,水泵扬程与负荷分布有关。 【英文摘要】 Analyses the characteristics and load regulation method of secondary pumping variable water flow rate air conditioning systems. Treats the issues about constant pressure difference control in variable pump frequency regulating. The results show that the hydrodynamic stability of a secondary pumping system is preferable and that the head required for variable pump control is relative to the load distribution when applying far-end constant pressure difference control.