By Dr Georgios Konstantinou

Journal articles

Wickramasinghe HR; Konstantinou G; Pou J; Wickramasinghe H, 2018, 'Gradient-Based Energy Balancing and Current Control for Alternate Arm Converters', IEEE Transactions on Power Delivery, 33, pp. 1459 - 1468, http://dx.doi.org/10.1109/TPWRD.2017.2785386

Li J; Konstantinou G; Wickramasinghe HR; Pou J; Wu X; Jin X; Wickramasinghe H, 2018, 'Impact of Circulating Current Control in Capacitor Voltage Ripples of Modular Multilevel Converters under Grid Imbalances', IEEE Transactions on Power Delivery, 33, pp. 1257 - 1267, http://dx.doi.org/10.1109/TPWRD.2017.2747079

Tafti HD; Maswood AI; Konstantinou G; Pou J; Acuna P, 2018, 'Active/reactive power control of photovoltaic grid-tied inverters with peak current limitation and zero active power oscillation during unbalanced voltage sags', IET Power Electronics, 11, pp. 1066 - 1073, http://dx.doi.org/10.1049/iet-pel.2017.0210

Cwikowski O; Wickramasinghe HR; Konstantinou G; Pou J; Barnes M; Shuttleworth R; Wickramasinghe H, 2018, 'Modular Multilevel Converter DC Fault Protection', IEEE Transactions on Power Delivery, 33, pp. 291 - 300, http://dx.doi.org/10.1109/TPWRD.2017.2715833

Pérez-Basante A; Ceballos S; Konstantinou G; Pou J; Andreu J; De Alegría IM, 2018, '(2N+1) Selective Harmonic Elimination-PWM for Modular Multilevel Converters: A Generalized Formulation and A Circulating Current Control Method', IEEE Transactions on Power Electronics, 33, pp. 802 - 818, http://dx.doi.org/10.1109/TPEL.2017.2666847

Yu Y; Konstantinou G; Townsend CD; Aguilera RP; Agelidis VG, 2017, 'Delta-Connected Cascaded H-Bridge Multilevel Converters for Large-Scale Photovoltaic Grid Integration', IEEE Transactions on Industrial Electronics, 64, pp. 8877 - 8886, http://dx.doi.org/10.1109/TIE.2016.2645885

Li J; Konstantinou G; Wickramasinghe HR; Pou J; Wu X; Jin X; Wickramasinghe H, 2017, 'Investigation of MMC-HVDC operating region by circulating current control under grid imbalances', Electric Power Systems Research, 152, pp. 211 - 222, http://dx.doi.org/10.1016/j.epsr.2017.07.003

Konstantinou G; Capella GJ; Pou J; Ceballos S, 2017, 'Single-Carrier Phase-Disposition PWM Techniques for Multiple Interleaved Voltage-Source Converter Legs', IEEE Transactions on Industrial Electronics, 65, pp. 4466 - 4474, http://dx.doi.org/10.1109/TIE.2017.2767541

Song K; Konstantinou G; Mingli W; Acuna P; Aguilera RP; Agelidis VG, 2017, 'Windowed SHE-PWM of Interleaved Four-Quadrant Converters for Resonance Suppression in Traction Power Supply Systems', IEEE Transactions on Power Electronics, 32, pp. 7870 - 7881, http://dx.doi.org/10.1109/TPEL.2016.2636882

Tafti HD; Maswood AI; Konstantinou G; Pou J; Blaabjerg F; Dehghani Tafti H, 2017, 'A General Constant Power Generation Algorithm for Photovoltaic Systems', IEEE Transactions on Power Electronics, PP, pp. 4088 - 4101, http://dx.doi.org/10.1109/TPEL.2017.2724544

Kejian S; Konstantinou G; Jing L; Mingli W; Agelidis VG, 2017, 'High performance control strategy for single-phase three-level neutral-point-clamped traction four-quadrant converters', IET Power Electronics, 10, pp. 884 - 893, http://dx.doi.org/10.1049/iet-pel.2016.0153

Tafti HD; Maswood AI; Konstantinou G; Pou J; Kandasamy K; Lim Z; Ooi GHP; Dehghani Tafti H, 2017, 'Low-voltage ride-thorough capability of photovoltaic grid-connected neutral-pointclamped inverters with active/reactive power injection', IET Renewable Power Generation, 11, pp. 1182 - 1190, http://dx.doi.org/10.1049/iet-rpg.2016.0544

López I; Ceballos S; Pou J; Zaragoza J; Andreu J; Ibarra E; Konstantinou G, 2017, 'Generalized PWM-Based Method for Multiphase Neutral-Point-Clamped Converters with Capacitor Voltage Balance Capability', IEEE Transactions on Power Electronics, 32, pp. 4878 - 4890, http://dx.doi.org/10.1109/TPEL.2016.2599872

Wickramasinghe HR; Konstantinou G; Pou J; Wickramasinghe H, 2017, 'Comparison of bipolar sub-modules for the alternate arm converter', Electric Power Systems Research, 146, pp. 115 - 123, http://dx.doi.org/10.1016/j.epsr.2017.01.023

Yu Y; Konstantinou G; Townsend CD; Agelidis VG, 2017, 'Comparison of zero-sequence injection methods in cascaded H-bridge multilevel converters for large-scale photovoltaic integration', IET Renewable Power Generation, 11, pp. 603 - 613, http://dx.doi.org/10.1049/iet-rpg.2016.0621

Aguilera RP; Acuña P; Lezana P; Konstantinou G; Wu B; Bernet S; Agelidis VG; Acuna Rios P, 2017, 'Selective Harmonic Elimination Model Predictive Control for Multilevel Power Converters', IEEE Transactions on Power Electronics, 32, pp. 2416 - 2426, http://dx.doi.org/10.1109/TPEL.2016.2568211

Aguilera RP; Acuna P; Yu Y; Konstantinou G; Townsend CD; Wu B; Agelidis VG, 2017, 'Predictive Control of Cascaded H-Bridge Converters under Unbalanced Power Generation', IEEE Transactions on Industrial Electronics, 64, pp. 4 - 13, http://dx.doi.org/10.1109/TIE.2016.2605618

Wickramasinghe HR; Konstantinou G; Pou J; Agelidis VG; Wickramasinghe H, 2017, 'Interactions between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-based HVDC Transmission Systems', IEEE Transactions on Power Systems, 33, pp. 1 - 10, http://dx.doi.org/10.1109/TPWRS.2017.2709789

Konstantinou G; Pou J; Pagano D; Ceballos S, 2016, 'A hybrid modular multilevel converter with partial embedded energy storage', Energies, 9, pp. 1012, http://dx.doi.org/10.3390/en9121012

Konstantinou G; Pou J; Ceballos S; Picas R; Zaragoza J; Agelidis VG, 2016, 'Control of Circulating Currents in Modular Multilevel Converters Through Redundant Voltage Levels', IEEE Transactions on Power Electronics, 31, pp. 7761 - 7769, http://dx.doi.org/10.1109/TPEL.2015.2512842

Pou J; Konstantinou G; Ceballos S, 2016, 'Guest Editorial', IET Power Electronics, 9, pp. 2305 - 2306, http://dx.doi.org/10.1049/iet-pel.2016.0657

Wang G; Konstantinou G; Townsend CD; Pou J; Vazquez S; Demetriades GD; Agelidis VG, 2016, 'A review of power electronics for grid connection of utility-scale battery energy storage systems', IEEE Transactions on Sustainable Energy, 7, pp. 1778 - 1790, http://dx.doi.org/10.1109/TSTE.2016.2586941

Townsend CD; Yu Y; Konstantinou G; Agelidis VG, 2016, 'Cascaded H-Bridge Multilevel PV Topology for Alleviation of Per-Phase Power Imbalances and Reduction of Second Harmonic Voltage Ripple', IEEE Transactions on Power Electronics, 31, pp. 5574 - 5586, http://dx.doi.org/10.1109/TPEL.2015.2497707

Konstantinou G; Pou J; Capella GJ; Song K; Ceballos S; Agelidis VG, 2016, 'Interleaved Operation of Three-Level Neutral Point Clamped Converter Legs and Reduction of Circulating Currents under SHE-PWM', IEEE Transactions on Industrial Electronics, 63, pp. 3323 - 3332, http://dx.doi.org/10.1109/TIE.2016.2521729

Yu Y; Konstantinou G; Hredzak B; Agelidis VG, 2016, 'Power Balance Optimization of Cascaded H-Bridge Multilevel Converters for Large-Scale Photovoltaic Integration', IEEE Transactions on Power Electronics, 31, pp. 1108 - 1120, http://dx.doi.org/10.1109/TPEL.2015.2407884

Konstantinou G; Pou J; Ceballos S; Darus R; Agelidis VG, 2016, 'Switching Frequency Analysis of Staircase-Modulated Modular Multilevel Converters and Equivalent PWM Techniques', IEEE Transactions on Power Delivery, 31, pp. 28 - 36, http://dx.doi.org/10.1109/TPWRD.2015.2416759

Darus R; Pou J; Konstantinou G; Ceballos S; Agelidis VG; Ceballos Recio S, 2016, 'Controllers for eliminating the ac components in the circulating current of modular multilevel converters', IET Power Electronics, 9, pp. 1 - 8, http://dx.doi.org/10.1049/iet-pel.2014.0930

Yu Y; Konstantinou G; Hredzak B; Agelidis VG, 2016, 'Power Balance of Cascaded H-Bridge Multilevel Converters for Large-Scale Photovoltaic Integration', IEEE Transactions on Power Electronics, 31, pp. 292 - 303, http://dx.doi.org/10.1109/TPEL.2015.2406315

Yu Y; Konstantinou G; Hredzak B; Agelidis VG, 2015, 'Operation of Cascaded H-Bridge Multilevel Converters for Large-Scale Photovoltaic Power Plants under Bridge Failures', IEEE Transactions on Industrial Electronics, 62, pp. 7228 - 7236, http://dx.doi.org/10.1109/TIE.2015.2434995

Picas R; Ceballos S; Pou J; Zaragoza J; Konstantinou G; Agelidis VG, 2015, 'Closed-loop discontinuous modulation technique for capacitor voltage ripples and switching losses reduction in modular multilevel converters', IEEE Transactions on Power Electronics, 30, pp. 4714 - 4725, http://dx.doi.org/10.1109/TPEL.2014.2368055

Capella GJ; Pou J; Ceballos S; Konstantinou G; Zaragoza J; Agelidis VG, 2015, 'Enhanced phase-shifted PWM carrier disposition for interleaved voltage-source inverters', IEEE Transactions on Power Electronics, 30, pp. 1121 - 1125, http://dx.doi.org/10.1109/TPEL.2014.2338357

Pou J; Ceballos S; Konstantinou G; Agelidis VG; Picas R; Zaragoza J, 2015, 'Circulating current injection methods based on instantaneous information for the modular multilevel converter', IEEE Transactions on Industrial Electronics, 62, pp. 777 - 788, http://dx.doi.org/10.1109/TIE.2014.2336608

Darus R; Pou J; Konstantinou G; Ceballos S; Picas R; Agelidis VG, 2015, 'A Modified Voltage Balancing Algorithm for the Modular Multilevel Converter: Evaluation for Staircase and Phase-Disposition PWM', IEEE Transactions on Power Electronics, 30, pp. 4119 - 4127, http://dx.doi.org/10.1109/TPEL.2014.2359005

Dahidah MSA; Konstantinou G; Agelidis VG, 2015, 'A Review of Multilevel Selective Harmonic Elimination PWM: Formulations, Solving Algorithms, Implementation and Applications', IEEE Transactions on Power Electronics, 30, pp. 4091 - 4106, http://dx.doi.org/10.1109/TPEL.2014.2355226

Konstantinou G; Agelidis VG; Pou J, 2014, 'Theoretical considerations for single-phase interleaved converters operated with SHE-PWM', IEEE Transactions on Power Electronics, 29, pp. 5124 - 5128, http://dx.doi.org/10.1109/TPEL.2014.2319826

Konstantinou G; Agelidis VG, 2014, 'On re-examining symmetry of two-level selective harmonic elimination PWM: Novel formulations, solutions and performance evaluation', Electric Power Systems Research, 108, pp. 185 - 197, http://dx.doi.org/10.1016/j.epsr.2013.11.010

Konstantinou G; Pou J; Ceballos S; Agelidis VG, 2013, 'Active redundant submodule configuration in modular multilevel converters', IEEE Transactions on Power Delivery, 28, pp. 2333 - 2341, http://dx.doi.org/10.1109/TPWRD.2013.2264950

Konstantinou G; Ciobotaru M; Agelidis VG, 2013, 'Selective harmonic elimination pulse-width modulation of modular multilevel converters', IET Power Electronics, pp. 1 - 12, http://dx.doi.org/10.1049/iet-pel.2012.0228

Pulikanti S; Konstantinou G; Agelidis VG, 2012, 'DC-Link Voltage Ripple Compensation for Multilevel Active-Neutral-Point-Clamped Converters Operated With SHE-PWM', IEEE Transactions on Power Delivery, 27, pp. 2176 - 2184, http://dx.doi.org/10.1109/TPWRD.2012.2209207

Pulikanti S; Konstantinou G; Agelidis VG, 2012, 'Generalisation of flying capacitor-based active-neutral-point-clamped multilevel converter using voltage-level modulation', IET Power Electronics, 5, pp. 456 - 466, http://dx.doi.org/10.1049/iet-pel.2010.0373

Pulikanti S; Konstantinou G; Agelidis VG, 2012, 'Hybrid Seven-Level Cascaded Active-Neutral-Point-Clamped Based Multilevel Converter under SHE-PWM', IEEE Transactions on Industrial Electronics, http://dx.doi.org/10.1109/TIE.2012.2218551

Dahidah MSA; Konstantinou G; Agelidis VG, 2012, 'Selective harmonic elimination pulse-width modulation seven-level cascaded H-bridge converter with optimised DC voltage levels', IET Power Electronics, 5, pp. 852 - 862, http://dx.doi.org/10.1049/iet-pel.2011.0463

Konstantinou G; Dahidah MSA; Agelidis VG, 2012, 'Solution trajectories for selective harmonic elimination pulse-width modulation for seven-level waveforms: analysis and implementation', IET Power Electronics, 5, pp. 22 - 30, http://dx.doi.org/10.1049/iet-pel.2010.0220

Dahidah M; Flourentzou N; Konstantinou G; Agelidis V, 2010, 'On comparing the symmetrical and non-symmetrical SHEPWM technique for two-level three-phase voltage source converters', IET Power Electronics, 3, pp. 829 - 842, http://dx.doi.org/10.1049/iet-pel.2009.0306

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