流体机械

2017, v.45;No.545(11) 85-87+78

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模块式冷水机组不同控制逻辑下的IPLV值测试比较
Comparison of IPLV in Different Control Logic of Modular Chillers

谢鸿玺;谢添玺;谢宝刚;包继虎;赵宗彬;朱丰雷;
XIE Hong-xi;XIE Tian-xi;XIE Bao-gang;BAO Ji-hu;ZHAO Zong-bin;ZHU Feng-lei;Hefei General Machinery Research Institute;Tianjin University;

摘要(Abstract):

冷水机组的IPLV是通过测试基于规定工况下的部分负荷性能系数值计算得来的。随着技术的进步,目前由多台机组构成的大容量模块式冷水机组越来越多,其整机的IPLV值与各模块单元的容量以及各模块的运行控制逻辑密切相关。本文对比测试了由两台相同容量单元组成一台大容量模块机组在不同控制策略时的IPLV值,发现控制策略对IPLV值的影响显著。对于由2台额定制冷量为100 k W机组构成的200 k W模块式冷水机组而言,采用不同的控制策略进行测试时,水冷式冷水机组的最小IPLV值为5.32、最大IPLV值为6.73;风冷式冷水机组的最小IPLV值为3.39、最大IPLV值为3.83,蒸发冷却式冷水机组的最小IPLV值为4.49、最大IPLV值为5.39。上述测试数据为产品控制策略的研发提出了有益的参考。
The IPLV of the chiller is calculated by testing the partial load performance factor based on the specified operating conditions.With the progress of technology,the current multi-unit composed of large-capacity modular chillers more and more,The IPLV value of the whole machine is closely related to the capacity of each module unit and the operation control logic of each module.This paper compares the IPLV values of two large capacity modules by two identical capacity units at different control strategies,It was found that the control strategy had a significant effect on the IPLV value.For the 200 k W modular chillers consisting of two rated cooling capacities of 100 k W units,the minimum IPLV value of the water-cooled chiller is 5.32 and the maximum IPLV is 6.73 when using different control strategies.Air-cooled cold water The minimum IPLV of the unit is 3.39,the maximum IPLV is 3.83,the minimum IPLV of the evaporative chiller is 4.49,and the maximum IPLV is 5.39.The above test data for the product control strategy for the development of a useful reference.

关键词(KeyWords): 模块式冷水机组;综合部分负荷性能系数;控制逻辑;性能系数
modular chillers;IPLV;control logic;COP

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基金项目(Foundation): 合肥通用机械研究院青年科技基金资助项目(2013010644)

作者(Author): 谢鸿玺;谢添玺;谢宝刚;包继虎;赵宗彬;朱丰雷;
XIE Hong-xi;XIE Tian-xi;XIE Bao-gang;BAO Ji-hu;ZHAO Zong-bin;ZHU Feng-lei;Hefei General Machinery Research Institute;Tianjin University;

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