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Energies 2016, 9(3), 196; doi:10.3390/en9030196

Asymmetrical Fault Correction for the Sensitive Loads Using a Current Regulated Voltage Source Inverter

1
Department of Electronic Systems Engineering, Hanyang University, Ansan 426-791, Korea
2
Department of Electrical & Computer Engineering, Florida State University, Tallahassee, FL 32310-6046, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 19 January 2016 / Revised: 9 March 2016 / Accepted: 9 March 2016 / Published: 15 March 2016
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Abstract

Numerous industrial applications involve loads that are very sensitive to electrical supply instabilities. These instances involve various types of voltage imbalances as well as more serious disturbances such as symmetrical and asymmetrical faults. This paper proposes a cost-effective voltage imbalance and asymmetrical fault correction solution for the three phase sensitive loads utilizing an industry-standard current regulated voltage source inverter by connecting it in parallel to the grid mains powering to the sensitive load. The inverter regulates the current for the load and never permits it to go beyond a prescribed value under any type of asymmetrical fault condition, which ensures high power regulating and conditioning capacities. Experimental results are obtained from a small laboratory size prototype to validate the operation of the proposed technique. View Full-Text
Keywords: asymmetrical faults; current regulation; current regulated inverter; fault correction asymmetrical faults; current regulation; current regulated inverter; fault correction
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Bukhari, S.S.H.; Atiq, S.; Lipo, T.A.; Kwon, B.-I. Asymmetrical Fault Correction for the Sensitive Loads Using a Current Regulated Voltage Source Inverter. Energies 2016, 9, 196.

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