Compressor 380V/660V-power source switching control system

The utility model relates to a compressor 380V/660V-power source switching control system. The compressor 380V/660V-power source switching control system includes a compressor main circuit, a compressor control circuit and a compressor protection circuit; in the compressor main circuit, a fuse FUO o...

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Bibliographische Detailangaben
Hauptverfasser:	XIAO XU, ZHANG JINHU, SUN YUANYE, XIE RISHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model relates to a compressor 380V/660V-power source switching control system. The compressor 380V/660V-power source switching control system includes a compressor main circuit, a compressor control circuit and a compressor protection circuit; in the compressor main circuit, a fuse FUO of a 660V-power source and a fuse FUO of a 380V-power source are respectively connected with an air circuit breaker QF1 and an air circuit breaker QF2 separately, and then are connected with a current transducer CT1 and a current transducer CT2, wherein the current transducer CT1 is connected with a main motor M1, and the current transducer CT2 is connected with a cooling fan M2 and a cooling fan M3. In the compressor control circuit, the air circuit breaker QF1 is connected with an isolation control transformer T2 and an isolation control transformer T3; the air circuit breaker QF2 is connected with an isolation control transformer T1; and an interlocking function is realized between the 380V-power source and the 6