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POWER INVERTERS AND OFF-DESIGN CHILLER PERFORMANCE.

Author(s) : ERTH R. A.

Type of article: Article

Summary

THE A. DISCUSSES THE RESULTS OF FIELD TESTS WHICH SHOW THAT A POWER INVERTER APPLIED TO A CENTRIFUGAL WATER CHILLER IS A COST EFFECTIVE WAY TO SAVE ENERGY. AN INVERTER PRODUCES THREE PHASE CURRENT WITH VARIABLE VOLTAGE AND FREQUENCY. WHEN APPLIED TO A CENTRIFUGAL CHILLER, A CAPACITY CONTROL PROCESSES INFORMATION FROM THE CHILLER TO DETERMINE OPTIMUM SPEED AND OPTIMUM PREROTATION VANE POSITION. AS ENERGY COSTS RISE, THE COST BENEFITS OF INVERTERS WILL BECOME MORE ATTRACTIVE AND PAYBACK PERIODS SHORTENED. APPLICATIONS TO OTHER FLUID HANDLING DEVICES, ESPECIALLY FANS AND PUMPS ARE EXPECTED TO FOLLOW SHORTLY. E.W.S.

Details

  • Original title: POWER INVERTERS AND OFF-DESIGN CHILLER PERFORMANCE.
  • Record ID : 1982-0217
  • Languages: English
  • Source: Heat. Pip. Air Cond. - vol. 52 - n. 11
  • Publication date: 1980
  • Document available for consultation in the library of the IIR headquarters only.

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