UNINTERRUPTIBLE POWER SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide an uninterruptible power supply system that uninterruptibly executes switching of uninterruptible power source systems connected to a load facility by a simpler configuration and simpler control. SOLUTION: Here is provided an uninterruptible power supply system havin...

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Bibliographische Detailangaben
Hauptverfasser:	ICHIKAWA TOMOKAZU, MIYATA HIROAKI
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an uninterruptible power supply system that uninterruptibly executes switching of uninterruptible power source systems connected to a load facility by a simpler configuration and simpler control. SOLUTION: Here is provided an uninterruptible power supply system having a plurality of uninterruptible power source systems and configured such that each uninterruptible power source system includes a control part connected to a power source output terminal of another uninterruptible power source system so as to control a phase of an output power source of the uninterruptible power source system. The control part in the prescribed uninterruptible power source system detects information regarding a phase of an output power source of another uninterruptible power source system so as to adjust the phase of the output power source such that the output power source of the prescribed uninterruptible power source system synchronizes with the output power source of another uninterruptible power source system on the basis of the detected information. By this, it is possible to uninterruptibly execute switching of the uninterruptible power source systems while always synchronizing the output power sources of uninterruptible power source systems with each other. COPYRIGHT: (C)2010,JPO&INPIT