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Line-interactive Uninterruptible Power Supply System Eliminating the Inrush Current Phenomenon.
- Source :
-
Electric Power Components & Systems . 2016, Vol. 44 Issue 11, p1203-1214. 12p. - Publication Year :
- 2016
-
Abstract
- Numerous critical load applications rely upon a line-interactive uninterruptible power supply system to maintain power during outages as well as during under- and over-voltage utility conditions. When any disturbance occurs at the utility side, the line-interactive uninterruptible power supply system takes over the load within a few milliseconds to avoid interruption. However, during this transition of load, a significant inrush current occurs due to the magnetic saturation of the load transformer. The inrush current phenomenon causes reduced line voltages and sometimes activates the over-current protection of the uninterruptible power supply system. This article proposes a new line-interactive uninterruptible power supply system that eliminates the inrush current phenomenon by connecting a standard current-regulated voltage source inverter to the secondary of the load transformer. During any transient condition at the utility side, the load current is monitored and regulated to achieve a seamless compensation or transition of load. Experimental results are obtained for a prototype during a number of possible irregular utility power conditions to endorse the performance of the proposed uninterruptible power supply system. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 15325008
- Volume :
- 44
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- Electric Power Components & Systems
- Publication Type :
- Academic Journal
- Accession number :
- 116124240
- Full Text :
- https://doi.org/10.1080/15325008.2015.1137996