Share

Using high-low capacity compressor to execute a simple novel control algorithm for direct expansion (DX) air conditioning (A/C) systems.

Author(s) : XU X. G., DENG S. M., CHAN M. Y.

Summary

A new control algorithm, named as H-L control, has been developed by authors. This new control algorithm is as simple as traditional on-off control, without requiring any formulas and calculation. And experimental results suggested that the use of H-L control would result in an improved indoor humidity level, and a higher energy-efficiency of a DX A/C system. A variable speed compressor could be used to implement this new control algorithm but with an unnecessary high cost because only two capacities are utilized by the H-L control. A new high-low capacity compressor is developed recently, which is suitable for the new control algorithm. With industrial cooperation, the possibility of using a high-low capacity compressor to implement the H-L control has been investigated. This paper firstly gives a brief introduction of the H-L control, followed by presenting a description of an experimental process of using high-low capacity compressor to implement the H-L control. Experimental results suggest the characteristics of high-low capacity compressor match the requirement of H-L control very well, although still with some rooms for improvement.

Available documents

Format PDF

Available

  • Public price

    20 €

  • Member price*

    15 €

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: Using high-low capacity compressor to execute a simple novel control algorithm for direct expansion (DX) air conditioning (A/C) systems.
  • Record ID : 2010-0095
  • Languages: English
  • Source: Latest technologies in refrigeration and air conditioning: energy issues and climate change, new refrigerants, new European regulations, new plants, the cold chain. XIII European Conference: June 12-13, 2009, Milan.
  • Publication date: 2009/06/12

Links


See other articles from the proceedings (40)
See the conference proceedings

Indexing