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VARIABLE FREQUENCY SPEED CONTROL OF COMPRESSORS FOR REFRIGERATION SYSTEMS.

Author(s) : GARSTANG S. W.

Type of article: Article

Summary

THIS SERIES OF ARTICLES ARGUES THE CASE FOR VARIABLE SPEED CONTROL BY INVERTER FOR REFRIGERATION COMPRESSORS NORMALLY CONTROLLED BY ON/OFF SYSTEMS. IT IS POINTED OUT THAT CONTINUOUS RUNNING AT VARIABLE SPEED AVOIDS CYCLING PROBLEMS, OFFERS GREATER EFFICIENCY AND ALLOWS EVAPORATION AND CONDENSATION TEMPERATURES TO APPROACH AS NEAR AS POSSIBLE TO THEPRODUCT AND COOLANT TEMPERATURES. ONE VARIABLE SPEED COMPRESSOR IN A RACK OF ON/OFF CONTROLLED MACHINES MAY OFFER OPTIMUM ENERGY USE. CONTROL CHARACTERISTICS, PROPORTIONAL, INTEGRAL AND DERIVATIVE ARE DESCRIBED AND THE CONTROLLER TYPE FOR INVERTER CONTROL IS DISCUSSED. D.W.H.

Details

  • Original title: VARIABLE FREQUENCY SPEED CONTROL OF COMPRESSORS FOR REFRIGERATION SYSTEMS.
  • Record ID : 1990-1405
  • Languages: English
  • Source: Air Cond. Heat. Refrig. News - vol. 177 - n. 10
  • Publication date: 1989/07/03
  • Document available for consultation in the library of the IIR headquarters only.

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