变频冷水机组在中央空调系统中的应用

介绍了深圳高新技术科技成果交易会展览中心空调系统概况及采用的变频离心式冷水机组的规格性能，分析了变频冷水机组的节能原理，讨论了由整流模块、IGBT模块、电压检测装置、驱动模块、CPU微处理器等组成的变频调速器的基本结构及其控制原理、控制流程、控制部件和VSD工作原理图，对变频冷水机组实际运行的节能效果及运行性能进行了研究，得出了在负荷百分比为80％时可达到节能35％的最佳有效果，同时机组运行性能明显优于常规机组的结论。

Inverter Controlled Water Chiller Application of Central Air Conditioning System

The authors intraluce exhibition centre air conditioning system survey of shenzhen high_new technique science_technology achievement trade fair and application standards performans of inverter controlled centrifugal water chiller, and analyse energy saving principle of inverter controlled water chiller. The authors also discusses inverter governor basic structure consist of rectification mould plate, IGBT mould plate, Vexamine devices, drives mould plate, CPU minute handle implement et al,and controlled principle, controlled process, controlled paris, VSD work principles figure.The performances of VSD centrifugal water chiller especially on energy saving and part load are studied,and the conclusion is given that this VSD centrifugal water chiller can save energy at 33% while theload is 80%, and that the other performances are superior to the normal centrifugal water chiller.