INVERTER-DRIVEN COMPRESSOR WARM-UP OPERATING METHOD AND APPARATUS

[Problem] To reduce a leakage current when a motor for driving a compressor is energized, with the compressor unoperated. [Means for Solution] Setting the carrier frequency of an inverter at a value lower than that used during normal operation to cause phase interruption electrification of the motor...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIKAWA, Satoshi, MAEDA, Toshiyuki, HIKAWA, Takeshi, MATSUNO, Sumikazu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	[Problem] To reduce a leakage current when a motor for driving a compressor is energized, with the compressor unoperated. [Means for Solution] Setting the carrier frequency of an inverter at a value lower than that used during normal operation to cause phase interruption electrification of the motor.