Three-phase/single-phase alternating-current power supply compatible electrically driven hoisting machine

A three-phase alternating-current power supply compatible electrically driven hoisting machine having a three-phase alternating-current input terminal, a three-phase rectifier circuit, a direct-current circuit, an inverter, and a three-phase alternating-current motor is changed into a single-phase a...

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Bibliographische Detailangaben
1. Verfasser:	Yamano, Tadashi
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A three-phase alternating-current power supply compatible electrically driven hoisting machine having a three-phase alternating-current input terminal, a three-phase rectifier circuit, a direct-current circuit, an inverter, and a three-phase alternating-current motor is changed into a single-phase alternating-current power supply compatible electrically driven hoisting machine by attaching a single-phase AC-DC converter unit having a single-phase alternating-current input terminal, a single-phase AC-DC converter, and a direct-current circuit to the three-phase alternating-current power supply compatible electrically driven hoisting machine and connecting the P and N electrodes of a direct-current output terminal of the single-phase AC-DC converter unit to the P and N electrodes of the direct-current circuit, respectively, and further open-circuiting the three-phase alternating-current input terminal.