UPS METHOD FOR DETECTING INSTANTANEOUS LOW VOLTAGE TO TRANSFER POWER SUPPLY QUICKLY ON VFD UPS

The present invention relates to a method for detecting instantaneous low voltage in commercial power and, more specifically, to a method for detecting instantaneous low voltage in commercial power for fast switchover of a commercial power-first supply type uninterruptible power system (UPS), which...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BYEON YONG SEOP, KIM JI SU, JANG JUHYEONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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