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COMPRESSOR PROTECTION SYSTEM AND METHOD

  • US 20090092501A1
  • Filed: 10/07/2008
  • Published: 04/09/2009
  • Est. Priority Date: 10/08/2007
  • Status: Abandoned Application
First Claim
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1. A system comprising:

  • a compressor driven by an inverter drive that modulates a frequency of electric power delivered to said compressor to modulate a speed of said compressor, said inverter drive being cooled by refrigerant and including a temperature sensor that outputs an inverter temperature signal corresponding to an inverter temperature;

    a control module that receives said inverter temperature signal, that compares said inverter temperature with a predetermined threshold, and that reduces a compressor operating speed range when said inverter temperature is greater than said predetermined threshold.

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