Dynamic brake for mechanical speed-regulating winch

The utility model discloses a dynamic brake for a mechanical speed-regulating winch, which comprises a DC rectifier connected with a three-phase power supply. An output terminal of the DC rectifier is connected with a two-phase input terminal of the winch motor through a linked switch. The device ca...

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Bibliographische Detailangaben
Hauptverfasser:	YIN YIXIONG, LIANG QINGQIAN
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 discloses a dynamic brake for a mechanical speed-regulating winch, which comprises a DC rectifier connected with a three-phase power supply. An output terminal of the DC rectifier is connected with a two-phase input terminal of the winch motor through a linked switch. The device can reduce the operating frequency of the mechanical brake and put down the winch tenderly and steadily. Therefore, the wear is reduced and the cost is saved.