By Professor John Fletcher

Journal articles

Adam GP; Abdelsalam I; Fletcher JE; Xu L; Burt GM; Holliday D; Finney SJ, 2017, 'Improved Two-Level Voltage Source Converter for High-Voltage Direct Current Transmission Systems', IEEE Journal of Emerging and Selected Topics in Power Electronics, 5, pp. 1670 - 1686, http://dx.doi.org/10.1109/JESTPE.2017.2723839

Tria LAR; Alam KS; Zhang D; Fletcher JE, 2017, 'Comparative study of multicore planar transformers on printed circuit boards', IET Power Electronics, 10, pp. 1452 - 1460, http://dx.doi.org/10.1049/iet-pel.2016.0837

Farshadnia M; Cheema MAM; Pouramin A; Dutta R; Fletcher JE, 2017, 'Design of Optimal Winding Configurations for Symmetrical Multiphase Concentrated-Wound Surface-Mount PMSMs to Achieve Maximum Torque Density under Current Harmonic Injection', IEEE Transactions on Industrial Electronics, 65, pp. 1751 - 1761, http://dx.doi.org/10.1109/TIE.2017.2745464

Farshadnia M; Cheema MAM; Dutta R; Fletcher J; Rahman M, 2017, 'Detailed Analytical Modelling of Fractional-Slot Concentrated-Wound Interior Permanent Magnet Machines for Prediction of Torque Ripple', IEEE Transactions on Industry Applications, 53, pp. 5272 - 5283, http://dx.doi.org/10.1109/TIA.2017.2722418

Adam GP; Abdelsalam I; Fletcher JE; Burt GM; Holliday D; Finney SJ, 2017, 'New Efficient Submodule for a Modular Multilevel Converter in Multiterminal HVDC Networks', IEEE Transactions on Power Electronics, 32, pp. 4258 - 4278, http://dx.doi.org/10.1109/TPEL.2016.2603180

Cheema MAM; Fletcher JE; Farshadnia M; Xiao D; Rahman MF; Rahman F, 2017, 'Combined speed and direct thrust force control of linear permanent-magnet synchronous motors with sensorless speed estimation using a sliding-mode control with integral action', IEEE Transactions on Industrial Electronics, 64, pp. 3489 - 3501, http://dx.doi.org/10.1109/TIE.2017.2652368

Habibullah M; Lu DDC; Xiao D; Fletcher JE; Rahman MF; Rahman F, 2017, 'Low complexity predictive torque control strategies for a three-level inverter driven induction motor', IET Electric Power Applications, 11, pp. 776 - 783, http://dx.doi.org/10.1049/iet-epa.2016.0572

Li M; Tong MM; Fletcher JE; Dong ZY, 2017, 'A novel approach to investigate the deterioration of insulation of oils in power transformers with terahertz time-domain spectroscopy', IEEE Transactions on Dielectrics and Electrical Insulation, 24, pp. 930 - 938, http://dx.doi.org/10.1109/TDEI.2017.005974

Dumlao MC; Xiao D; Zhang D; Fletcher J; Donald WA, 2017, 'Effects of Different Waveforms on the Performance of Active Capillary Dielectric Barrier Discharge Ionization Mass Spectrometry', Journal of the American Society for Mass Spectrometry, 28, pp. 575 - 578, http://dx.doi.org/10.1007/s13361-016-1535-5

Li R; Fletcher JE, 2017, 'A novel MMC control scheme to increase the DC voltage in HVDC transmission systems', Electric Power Systems Research, 143, pp. 544 - 553, http://dx.doi.org/10.1016/j.epsr.2016.11.004

Farshadnia M; Cheema MAM; Dutta R; Fletcher JE, 2017, 'Analytical Modeling of Armature Reaction Air-Gap Flux Density Considering the Non-Homogeneously Saturated Rotor in a Fractional-Slot Concentrated-Wound IPM Machine', IEEE Transactions on Magnetics, 53, http://dx.doi.org/10.1109/TMAG.2016.2623797

Li R; Fletcher JE; Xu L; Williams BW, 2017, 'Enhanced Flat-Topped Modulation for MMC Control in HVDC Transmission Systems', IEEE Transactions on Power Delivery, 32, pp. 152 - 161, http://dx.doi.org/10.1109/TPWRD.2016.2561929

Habibullah M; Lu DDC; Xiao D; Fletcher JE; Rahman MF, 2017, 'Predictive Torque Control of Induction Motor Sensorless Drive Fed by a 3L-NPC Inverter', IEEE Transactions on Industrial Informatics, 13, pp. 60 - 70, http://dx.doi.org/10.1109/TII.2016.2603922

Li R; Fletcher JE, 2016, 'AC voltage control of DC/DC converters based on modular multilevel converters in multi-terminal high-voltage direct current transmission systems', Energies, 9, http://dx.doi.org/10.3390/en9121064

Tan C; Xiao D; Fletcher JE; Rahman MF; Rahman F, 2016, 'Analytical and Experimental Comparison of Carrier-Based PWM Methods for the Five-Phase Coupled-Inductor Inverter', IEEE Transactions on Industrial Electronics, 63, pp. 7328 - 7338, http://dx.doi.org/10.1109/TIE.2016.2592860

Tria LAR; Zhang D; Fletcher JE, 2016, 'Implementation of a Nonlinear Planar Magnetics Model', IEEE Transactions on Power Electronics, 31, pp. 6534 - 6542, http://dx.doi.org/10.1109/TPEL.2015.2503744

Heslop S; MacGill I; Fletcher J, 2016, 'Maximum PV generation estimation method for residential low voltage feeders', Sustainable Energy, Grids and Networks, 7, pp. 58 - 69, http://dx.doi.org/10.1016/j.segan.2016.06.003

Cheema MAM; Fletcher JE; Rahman MF; Xiao D; Rahman F, 2016, 'Optimal, Combined Speed, and Direct Thrust Control of Linear Permanent Magnet Synchronous Motors', IEEE Transactions on Energy Conversion, 31, pp. 947 - 958, http://dx.doi.org/10.1109/TEC.2016.2536201

Li R; Fletcher JE; Williams BW, 2016, 'Influence of third harmonic injection on modular multilevel converter-based highvoltage direct current transmission systems', IET Generation, Transmission and Distribution, 10, pp. 2764 - 2770, http://dx.doi.org/10.1049/iet-gtd.2015.1470

Zhang Y; Ravishankar J; Fletcher J; Li R; Han M, 2016, 'Review of modular multilevel converter based multi-terminal HVDC systems for offshore wind power transmission', Renewable and Sustainable Energy Reviews, 61, pp. 572 - 586, http://dx.doi.org/10.1016/j.rser.2016.01.108

Li R; Fletcher JE; Yao L; Williams BW, 2016, 'DC fault protection structures at a DC-link node in a radial multi-terminal high-voltage direct current system', IET Renewable Power Generation, 10, pp. 744 - 751, http://dx.doi.org/10.1049/iet-rpg.2015.0302

Fletcher J; Li W, 2016, 'Guest editorial', IET Renewable Power Generation, 10, pp. 743, http://dx.doi.org/10.1049/iet-rpg.2016.0323

Tria LAR; Zhang D; Fletcher JE, 2016, 'Planar PCB transformer model for circuit simulation', IEEE Transactions on Magnetics, 52, http://dx.doi.org/10.1109/TMAG.2016.2516995

Zhang Y; Ravishankar J; Fletcher J, 2016, 'Power flow and transmission loss analysis of modular multi-level converter based multiterminal high-voltage DC systems', IET Renewable Power Generation, 10, pp. 767 - 775, http://dx.doi.org/10.1049/iet-rpg.2015.0449

Cheema MAM; Fletcher JE; Xiao D; Rahman MF, 2016, 'A Direct Thrust Control Scheme for Linear Permanent Magnet Synchronous Motor Based on Online Duty Ratio Control', IEEE Transactions on Power Electronics, 31, pp. 4416 - 4428, http://dx.doi.org/10.1109/TPEL.2015.2475400

Cheema MAM; Fletcher JE; Xiao D; Rahman MF, 2016, 'A Linear Quadratic Regulator-Based Optimal Direct Thrust Force Control of Linear Permanent-Magnet Synchronous Motor', IEEE Transactions on Industrial Electronics, 63, pp. 2722 - 2733, http://dx.doi.org/10.1109/TIE.2016.2519331

Nguyen D; Dutta R; Rahman MF; Fletcher JE; Rahman F, 2016, 'Performance of a Sensorless Controlled Concentrated-Wound Interior Permanent-Magnet Synchronous Machine at Low and Zero Speed', IEEE Transactions on Industrial Electronics, 63, pp. 2016 - 2026, http://dx.doi.org/10.1109/TIE.2015.2506138

Tan C; Xiao D; Fletcher JE; Rahman MF, 2016, 'Carrier-based PWM methods with common-mode voltage reduction for five-phase coupled inductor inverter', IEEE Transactions on Industrial Electronics, 63, pp. 526 - 537, http://dx.doi.org/10.1109/TIE.2015.2472815

Chai M; Xiao D; Dutta R; Fletcher JE, 2016, 'Space vector PWM techniques for three-to-five-phase indirect matrix converter in the overmodulation region', IEEE Transactions on Industrial Electronics, 63, pp. 550 - 561, http://dx.doi.org/10.1109/TIE.2015.2475416

Tria LAR; Zhang D; Fletcher JE, 2015, 'High-Frequency Planar Transformer Parameter Estimation', IEEE Transactions on Magnetics, 51, http://dx.doi.org/10.1109/TMAG.2015.2443791

Chen C; Adam GP; Finney S; Fletcher J; Williams B, 2015, 'H-bridge modular multi-level converter: Control strategy for improved DC fault ride-through capability without converter blocking', IET Power Electronics, 8, pp. 1996 - 2008, http://dx.doi.org/10.1049/iet-pel.2014.0513

Li R; Fletcher JE; Xu L; Holliday D; Williams BW, 2015, 'A Hybrid Modular Multilevel Converter with Novel Three-Level Cells for DC Fault Blocking Capability', IEEE Transactions on Power Delivery, 30, pp. 2017 - 2026, http://dx.doi.org/10.1109/TPWRD.2015.2423258

Li R; Adam GP; Holliday D; Fletcher JE; Williams BW, 2015, 'Hybrid Cascaded Modular Multilevel Converter with DC Fault Ride-Through Capability for the HVDC Transmission System', IEEE Transactions on Power Delivery, 30, pp. 1853 - 1862, http://dx.doi.org/10.1109/TPWRD.2015.2389758

Vo T; Ravishankar J; Nurdin HI; Fletcher J, 2015, 'A comparison of PI vs LPV controllers for a doubly-fed induction generator in a microgrid', Wind Engineering, 39, pp. 479 - 493, http://dx.doi.org/10.1260/0309-524x.39.4.479

Gao P; O'Byrne S; Fletcher JE, 2015, 'A power-electronics-based modular nanosecond pulse generation system for plasma-assisted ignition', IEEJ Journal of Industry Applications, 4, pp. 227 - 234, http://dx.doi.org/10.1541/ieejjia.4.227

Heslop S; Macgill I; Fletcher J; Lewis S, 2014, 'Method for determining a PV generation limit on low voltage feeders for evenly distributed PV and Load', Energy Procedia, 57, pp. 207 - 216, http://dx.doi.org/10.1016/j.egypro.2014.10.025

Zhang D; Fletcher J, 2013, 'Quantification of required multi-segments for accurately computing induced voltage in a ferrite inductor using static and dynamic jiles-atherton models', IEEE Transactions on Magnetics, 49, pp. 5424 - 5429, http://dx.doi.org/10.1109/TMAG.2013.2271218

Vo TH; Ravishankar J; Fletcher JE, 2013, 'Assessment of distributed generation on the efficiency of single wire earth return systems', Advanced Materials Research, 622, pp. 1887 - 1891, http://www.scopus.com/inward/record.url?eid=2-s2.0-84872704894&partnerID=40&md5=091ec6189f888b8758fb5be0e8a4619a

Adam GP; Abdelsalam I; Finney SJ; Holliday D; Williams BW; Fletcher J, 2013, 'Comparison of two advanced modulation strategies for a hybrid cascaded converter', 2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013, pp. 1334 - 1340, http://www.scopus.com/inward/record.url?eid=2-s2.0-84883660203&partnerID=40&md5=594f6c3e934e7b1ce61d9ecdc8e73a19

Zhang D; Fletcher JE, 2013, 'Double-frequency method using differential evolution for identifying parameters in the dynamic Jiles-Atherton model of Mn-Zn ferrites', IEEE Transactions on Instrumentation and Measurement, 62, pp. 460 - 466, http://dx.doi.org/10.1109/TIM.2012.2216474

Gao EP; Zhang D; Fletcher J, 2013, 'Modeling of pulse transformer with nano-second excitation source using Jiles-Atherton method', 2013 IEEE ECCE Asia Downunder - 5th IEEE Annual International Energy Conversion Congress and Exhibition, IEEE ECCE Asia 2013, pp. 776 - 780, http://www.scopus.com/inward/record.url?eid=2-s2.0-84883712419&partnerID=40&md5=71cd6427e202866579ab13dd316a50dd

Zhang D; Phung T; Fletcher J; Chen JC; Jiang M; Niu HC, 2013, 'Windowed-sinc Band-pass Filter based Reference Signal Extraction for Grid Synchronization', International Journal of Electrical Energy, 1, pp. 23 - 28, http://dx.doi.org/10.12720/ijoee.1.1.23-28

Zhang D; Fletcher J, 2012, 'Double-Frequency Method Using Differential Evolution for Identifying Parameters in the Dynamic Jiles–Atherton Model of Mn–Zn Ferrites', IEEE Transactions on Instrumentation and Measurement, 62, pp. 460 - 466, http://dx.doi.org/10.1109/TIM.2012.2216474

Soman RR; Davidson EM; Mcarthur SDJ; Fletcher J; Ericsen TS, 2012, 'Model-based methodology using modified sneak circuit analysis for power electronic converter fault diagnosis', IET Power Electronics, 5, pp. 813 - 826, http://dx.doi.org/10.1049/iet-pel.2011.0018

Yang J; Fletcher J; O'Reilly JJ, 2012, 'Short-circuit and ground fault analyses and location in VSC-based DC network cables', IEEE Transactions on Industrial Electronics, 59, pp. 3827 - 3837, http://dx.doi.org/10.1109/TIE.2011.2162712

Xia YY; Fletcher JE; Finney SJ; Ahmed KH; Williams BW, 2011, 'Torque ripple analysis and reduction for wind energy conversion systems using uncontrolled rectifier and boost converter', IET Renewable Power Generation, 5, pp. 377 - 386, http://dx.doi.org/10.1049/iet-rpg.2010.0108

Thompson RF; Clark DT; Murphy AE; Ramsay EP; Smith DA; Young RAR; Cormack JD; McGonigal J; Fletcher J; Zhu C; Finney S; Martin LC; Horsfall AB, 2011, 'High Temperature Silicon Carbide CMOS Integrated Circuits', Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT), 2011, pp. 000115 - 000119, http://dx.doi.org/10.4071/hiten-paper5-dclark

Zheng L; Fletcher J; Williams B; He X, 2011, 'A Novel Direct Torque Control Scheme for a Sensorless Five-Phase Induction Motor Drive', IEEE Transactions on Industrial Electronics, 58, pp. 503 - 513

Clark DT; Ramsay EP; Murphy AE; Smith DA; Thompson RF; Young RA; Cormack JD; Zhu C; Finney S; Fletcher J, 2011, 'High Temperature Silicon Carbide CMOS Integrated Circuits', Materials Science Forum, 679, pp. 726 - 729, http://dx.doi.org/10.4028/www.scientific.net/MSF.679-680.726

Gao L; Fletcher J; Zheng L, 2011, 'Low-speed control improvements for a two-level five-phase inverter-fed induction machine using classic direct torque control', IEEE Transactions on Industrial Electronics, 58, pp. 2744 - 2754, http://dx.doi.org/10.1109/TIE.2010.2070775

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