Share

CAPACITY CONTROL OF LIQUID CHILLING SYSTEMS.

Author(s) : WONG A. K. H., JAMES R. W.

Type of article: Periodical article

Summary

INVESTIGATIONS INTO THE CONTROL OF LIQUID CHILLING SYSTEMS HAVE SHOWN THATTHERE IS MUCH ROOM FOR IMPROVEMENT. SIX MAIN TYPES OF CAPACITY CONTROL SYSTEMS ARE IDENTIFIED, EG ON-OFF CONTROL, DUAL SPEED COMPRESSOR, VARIABLE SPEED COMPRESSOR, CYLINDER UNLOADING, SUCTION GAS THROTTLING AND HOT GAS B THE ORDER SHOWN IS USUALLY CONSIDERED AS REPRESENTING THE MOST ENERGY EFFICIENT CONTROL, BUT EXCLUDING VARIABLE SPEED, THE REVERSE ORDER PROVIDES BETTER SET-POINT ACCURACY. THE PAPER COVERS POWER CONSUMPTION MEASUREMENTS, CYLINDER UNLOADING, VARYING THE COMPRESSOR SPEED, SAFETY CONTROL AND THE COMPARISON OF SYSTEMS, OIL RETURN, LOADING AND UNLOADING PROCEDURES, HUNTING PROCEDURE, FLOW AND RETURN TEMPERATURE CONTROL, AN ECONOMIC ANALYSIS, ETC. A. H. S.

Details

  • Original title: CAPACITY CONTROL OF LIQUID CHILLING SYSTEMS.
  • Record ID : 1989-0952
  • Languages: English
  • Source: Inst. Refrig., Adv. Proof - 1988.10.06; 11 p.; 14 fig.; 1 tabl.; 8 ref.
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

Links


See the source

Indexing