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

Syed Sabir Hussain Bukhari, Shahid Atiq, Thomas A. Lipo and Byung-il Kwon
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Syed Sabir Hussain Bukhari: Department of Electronic Systems Engineering, Hanyang University, Ansan 426-791, Korea
Shahid Atiq: Department of Electronic Systems Engineering, Hanyang University, Ansan 426-791, Korea
Thomas A. Lipo: Department of Electrical & Computer Engineering, Florida State University, Tallahassee, FL 32310-6046, USA
Byung-il Kwon: Department of Electronic Systems Engineering, Hanyang University, Ansan 426-791, Korea

Energies, 2016, vol. 9, issue 3, 1-14

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.

Keywords: asymmetrical faults; current regulation; current regulated inverter; fault correction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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