中央空调变频调速节能控制的几个问题

A Few Questions Concerning Frequency Control of Motor Speed for Central Air-conditioning

中央空调系统的耗电量在全国电能量消耗中占具很大比重。作为中央空调系统最有效的节能技术之一的变频调速技术在国家能源战略和实际节能工程中具有重要的意义。如何在工程中利用好该技术,使中央空调变频调速系统充分发挥节能效率,对国家经济建设具有重要意义。该文从工程应用的角度,对中央空调变频调速系统在设计阶段和调试阶段的各种工程参数的设置问题以及系统的节能率评估问题进行了介绍。论文的内容对保证中央空调变频调速系统正常、安全、高效运行具有意义。

Power consumption of central air-conditioning system takes a great part of the electric energy consumption in China. As one of the most effective energy-saving technologies, the frequency conversion speed control technology for central air conditioning system is of great significance in the national energy strategy and in practical energy-saving projects. How to make good use of this technology so that the frequency conversion speed control in central air-conditioning system can achieve high efficiency of energy save is very important for China’s economic development. From viewpoint of engineering applications, this paper configures various parameters of the system in design phase and in engineering realization stage. This paper also addresses the system problem of energy-saving efficiency evaluation. It is valuable of the paper to ensure the central air-conditioning system to run in a normal, safe and efficient operation.