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Development of inverter-driven air conditioners with higher efficiency and lower sound levels for shops and stores.

[In Japanese. / En japonais.]

Author(s) : TAKENAKA H., SANO T., TANAKA M.

Type of article: Article

Summary

To achieve higher COP with R407C, improvements in compressors, inverter controllers and refrigeration cycles are applied. For lowering sound levels, preventive techniques for magnetic sound noises from electric motors and lowering airflow noises through propeller fans have been applied. Remodelling of inverter driving units has been effective in making power boxes smaller in order to realize compact-size units.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2003-2521
  • Languages: Japanese
  • Source: Refrigeration - vol. 77 - n. 894
  • Publication date: 2002/04
  • Document available for consultation in the library of the IIR headquarters only.

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