A Fast Fault Detection Scheme for Power Converters In Distributed Generation Systems

Gustavo M. S. Azevedo; Marcelo C. Cavalcanti; Francisco A. S. Neves; Fabricio Bradaschia

doi:10.18618/REP.2012.2.546554

Authors

Gustavo M. S. Azevedo Federal University of Pernambuco (UFPE - DEE), Recife - Brazil
Marcelo C. Cavalcanti Federal University of Pernambuco (UFPE - DEE), Recife - Brazil
Francisco A. S. Neves Federal University of Pernambuco (UFPE - DEE), Recife - Brazil
Fabricio Bradaschia Federal University of Pernambuco (UFPE - DEE), Recife - Brazil

DOI:

https://doi.org/10.18618/REP.2012.2.546554

Keywords:

Distributed generation systems, microgrids

Abstract

In this paper, a fault detection algorithm based on voltage disturbances is proposed and analyzed. This method observes the voltage characteristics instead of the current amplitude, that is the most common approach in power distribution electrical systems. The proposed system uses a dual quadrature signal generator for each voltage component in a stationary reference frame to extract its positive- and negative-sequence components. Furthermore, a frequency-locked loop is used to estimate the voltage frequency. The voltage amplitude and frequency instantaneous values are compared with the nominal counterparts by means of hysteresis comparators. As a result, a fast and reliable fault detector system is obtained. Simulations and experimental results are presented to illustrate the feasibility and performance of the proposed scheme.

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Author Biographies

Gustavo M. S. Azevedo, Federal University of Pernambuco (UFPE - DEE), Recife - Brazil

was born in Belo Jardim, Brazil, in 1981. He received the B.Sc., M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Pernambuco in 2005, 2007 and 2011, respectively. He worked as a visiting scholar at the Polytechnical University of Catalunya, Barcelona, Spain, from 2008 to 2009. Currently, he is working as a substitute professor in the Department of Electrical Engineering at the Federal University of Pernambuco. His research interests are renewable energy systems and microgrids.

Marcelo C. Cavalcanti, Federal University of Pernambuco (UFPE - DEE), Recife - Brazil

was born in Recife, Brazil, in 1972. He received the B.Sc. degree in electrical engineering in 1997 from the Federal University of Pernambuco, Recife, Brazil, and the M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Campina Grande, Campina Grande, Brazil, in 1999 and 2003, respectively. He worked as a visiting scholar at Center for Power Electronics Systems, Virginia Polytechnic Institute and State University, Blacksburg, USA, from October 2001 to August 2002. Since 2003, he has been at the Department of Electrical Engineering, Federal University of Pernambuco, where he is currently a Professor of Electrical Engineering. His research interests are renewable systems and power quality.

Francisco A. S. Neves, Federal University of Pernambuco (UFPE - DEE), Recife - Brazil

was born in Campina Grande, Brazil, in 1963. He received the B.Sc. and M.Sc. degrees in electrical engineering from the Federal University of Pernambuco, Recife, Brazil, in 1984 and 1992, respectively, and the Ph.D. degree in electrical engineering from the Federal University of Minas Gerais, Belo Horizonte, Brazil, in 1999. He worked as a visiting scholar at Georgia Institute of Technology, USA, during 1999, and at University of Alcala,´ Spain, from February 2008 to January 2009. Since 1993, he has been with the Department of Electrical Engineering, Federal University of Pernambuco, where he is currently a Professor of Electrical Engineering. His research interests include power electronics, renewable energy systems, power quality and grid synchronization methods.

Fabricio Bradaschia, Federal University of Pernambuco (UFPE - DEE), Recife - Brazil

was born in Sao Paulo, Brazil, in ˜ 1983. He received the B.Sc., M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Pernambuco, Recife, Brazil, in 2006, 2008 and 2012, respectively. From August 2008 to August 2009, he worked as a Visiting Scholar at the University of Alcala, Madrid, ´ Spain. Currently, he is working as a substitute professor in the Department of Electrical Engineering at the Federal University of Pernambuco. His research interests are Z-source converters, renewable energy systems and grid synchronization methods.

References

International Energy Outlook 2010. Technical ReportDOE/EIA-0484(2010), U.S. Energy InformationAdministration - EIA, Jul. 2010.

F. Katiraei and M. R. Iravani. Power management strategies for a microgrid with multiple distributed generation units.IEEE Trans. Power Systems,21(4):1832-1841, Nov. 2006. https://doi.org/10.1109/TPWRS.2006.879260 DOI: https://doi.org/10.1109/TPWRS.2006.879260

S. Chowdhury and S. P. Chowdhury and P. Crossley.Microgrids and Active Distribution Networks. TheInstitution of Engineering and Technology, London, U.K., 1st edition, 2009. https://doi.org/10.1049/PBRN006E DOI: https://doi.org/10.1049/PBRN006E

M. C. Chandorkar and D. M. Divan and R. Adapa.Control of parallel connected inverters in standalone ac supply systems.IEEE Trans. Ind. Appl., 29(1):136-143,Jan./Feb. 1993. https://doi.org/10.1109/28.195899 DOI: https://doi.org/10.1109/28.195899

E. A. A. Coelho and P. C. Cortizo and P. F. D. Garcia.Small-signal stability for parallel-connected inverters instand-alone ac supply systems.IEEE Trans. Ind. Appl.,38(2):533-542, Mar./Apr. 2002. https://doi.org/10.1109/28.993176 DOI: https://doi.org/10.1109/28.993176

Y. A. R. I. Mohamed and E. F. El-Saadany. Adaptive Decentralized droop controller to preserve power sharing stability of paralleled inverters in distributed generationmicrogrids.IEEE Trans. Power Electron., 23(6):2806-2816, Nov. 2008. https://doi.org/10.1109/TPEL.2008.2005100 DOI: https://doi.org/10.1109/TPEL.2008.2005100

E. Barklund and N. Pogaku and M. Prodanovic andC. Hernandez-Aramburo and T. C. Green. Energymanagement in autonomous microgrids using stability-constrained droop control of inverters.IEEE Trans.Power Electron., 23(5):2346-2352, Nov. 2008. https://doi.org/10.1109/TPEL.2008.2001910 DOI: https://doi.org/10.1109/TPEL.2008.2001910

K. D. Brabandere and B. Bolsens and J. V. D. Keybusandand A. Woyte and J. Driesen. A voltage and frequency droop control method for parallel inverters.IEEE Trans.Power Electron., 22(4):1107-1115, Jul. 2007. https://doi.org/10.1109/TPEL.2007.900456 DOI: https://doi.org/10.1109/TPEL.2007.900456

Y. Li and Y.W. Li. Decoupled power control for an inverter based low voltage microgrid in autonomous operation. InIEEE 6th Int. Power Electr. and MotionControl Conf. - IPEMC'09, pages 2490-2496, Wuhan,China, May 2009.

J. M. Guerrero and J. Matas and L. G. Vicu ̃na andM. Castilla and J. Miret. Decentralized control for parallel operation of distributed generation inverters using resistive output impedance.IEEE Trans. Ind.Electron., 54(2):994-1004, Apr. 2007. https://doi.org/10.1109/TIE.2007.892621 DOI: https://doi.org/10.1109/TIE.2007.892621

Semiconductor Equipment and Materials International.SEMI F47-0200 - Specification for SemiconductorProcessing Equipment Voltage Sag Immunity,1999/2000.

A. Kusko and M. T. Thompson.Power Quality in Electrical Systems. McGraw-Hill, 1st edition, 2007.

W. E. Feero and D. C. Dawson and J. Stevens. ProtectionIssues of the Microgrid Concept. White Paper, U.S.Department of Energy, Mar. 2002.

C. L. Fortescue. Method of symmetrical coordinates applied to the solution of polyphase networks.Trans. of the American Institute of Electrical Engineers, (2):1027-1140, Jul. 1918. https://doi.org/10.1109/T-AIEE.1918.4765570 DOI: https://doi.org/10.1109/T-AIEE.1918.4765570

W. V. Lyon.Application of the Method of SymmetricalComponents. McGraw-Hill, New York, USA, 1937.

X. Yuan and W. Merk and H. Stemmler and J.Allmeling. Stationary-frame generalized integrator for current control of active power filters with zero steady-state error for current harmonics of concern under unbalanced and distorted operating conditions.IEEETrans. Ind. Appl., 38(2):523-532, Mar. 2002. https://doi.org/10.1109/28.993175 DOI: https://doi.org/10.1109/28.993175

P. Rodriguez and A. Luna and M. Ciobotaru andR. Teodorescu and F. Blaabjerg. Advanced grid synchronization system for power converters under unbalanced and distorted operating conditions. InThe 32nd Annual Conference of the IEEE IndustrialElectronics Society - IECON'06, pages 5173-5178, Paris,France, Nov. 2006. https://doi.org/10.1109/IECON.2006.347807 DOI: https://doi.org/10.1109/IECON.2006.347807

P. Rodriguez and A. Luna and I. Candela and R.Teodorescu and F. Blaabjerg. Grid synchronization of power converters using multiple second order generalized integrators. InThe 34th Annual Conference of the IEEEIndustrial Electronics Society - IECON'08, pages 755-760, Orlando, USA, Nov. 2008. https://doi.org/10.1109/IECON.2008.4758048 DOI: https://doi.org/10.1109/IECON.2008.4758048

F. J. Rodriguez and E. Bueno and M. Aredes andL. G. B. Rolim and F. A. S. Neves and M. C.Cavalcanti. Discrete-time implementation of second order generalized integrators for grid converters. InThe 34th Annual Conference of the IEEE IndustrialElectronics Society - IECON'08, pages 176-181,Orlando, USA, Nov. 2008. https://doi.org/10.1109/IECON.2008.4757948 DOI: https://doi.org/10.1109/IECON.2008.4757948

G. M. S. Azevedo and P. Rodriguez and M. C. Cavalcantiand G. Vazquez and F. A. S. Neves. New control strategy to allow the photovoltaic systems operation under grid faults. InThe 10th Brazilian Power ElectronicsConference - COBEP 2009, pages 196-201, Bonito,Brazil, Sep./Oct. 2009. https://doi.org/10.1109/COBEP.2009.5347705 DOI: https://doi.org/10.1109/COBEP.2009.5347705