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2017

Li, Rui and Fletcher, John (2017) A novel MMC control scheme to increase the DC voltage in HVDC transmission systems. Electric Power Systems Research, 143. pp. 544-553. ISSN 0378-7796

2016

Li, Rui and Fletcher, John E. (2016) AC voltage control of DC/DC converters based on modular multilevel converters in multi-terminal high-voltage direct current transmission systems. Energies, 9 (12). 1064. ISSN 1996-1073

Adam, Grain Philip and Abdelsalam, Ibrahim and Fletcher, John Edward and Burt, Graeme and Holliday, Derrick and Finney, Stephen Jon (2016) New efficient sub-module for modular multilevel converter in multi-terminal HVDC networks. IEEE Transactions on Power Electronics, 32 (6). pp. 4258-4278. ISSN 0885-8993

Li, Rui and Fletcher, John E. and Williams, Barry W. (2016) Influence of third harmonic injection on MMC-based HVDC transmission systems. IET Generation, Transmission and Distribution, 10 (11). pp. 5764-2770. ISSN 1751-8695

2015

Li, Rui and Fletcher, John E. and Xu, Lie and Holliday, Derrick and Williams, Barry W. (2015) A hybrid modular multilevel converter with novel three-level cells for DC fault blocking capability. IEEE Transactions on Power Delivery, 30 (4). pp. 2017-2026. ISSN 0885-8977

2011

Zheng, L. and Fletcher, J.E. and Williams, B.W. and He, X. (2011) A novel direct torque control scheme for a sensorless five-phase induction motor drive. IEEE Transactions on Industrial Electronics, 58 (2). pp. 503-513. ISSN 0278-0046

Zhang, Huibin and Fletcher, John and Greeves, N and Finney, Stephen and Williams, Barry (2011) One-power-point operation for variable speed wind/tidal stream turbines with synchronous generators. IET Renewable Power Generation, 5 (5). pp. 99-108. ISSN 1752-1416

2010

Hotait, H. and Massoud, A. and Finney, S.J. and Fletcher, J.E. and Williams, B.W. (2010) Capacitor voltage balancing using redundant states for five-level multilevel inverter. IET Power Electronics, 3 (2). pp. 292-313. ISSN 1755-4543

Stewart, E.M. and Tumilty, R. and Fletcher, J.E. and Lutz, A. and Ault, G.W. and McDonald, J.R. (2010) Analysis of a distributed grid-connected fuel cell during fault conditions. IEEE Transactions on Power Systems, 25 (1). pp. 497-505. ISSN 0885-8950

Abbas, A.Y.M. and Fletcher, J.E. (2010) Synthetic loading applied to linear permanent magnet synchronous machines. IET Renewable Power Generation, 4 (3). pp. 221-231. ISSN 1752-1416

Gao, L. and Fletcher, J.E. (2010) A space vector switching strategy for three-level five-phase inverter drives. IEEE Transactions on Industrial Electronics, 57 (7). pp. 2332-2343. ISSN 0278-0046

2009

Fletcher, J. and Judendorfer, T. and Mueller, M. and Hassanain, N. and Muhr, M. (2009) Electrical issues associated with sea-water immersed windings in electrical generators for wave- and tidal current-driven power generation. IET Renewable Power Generation, 3 (2). pp. 254-264. ISSN 1752-1416

Stewart, E.M. and Lutz, A. and Schoenung, S. and Chiesa, M. and Keller, J. and Fletcher, J.E. and Ault, G.W. and McDonald, J.R. and Cruden, A.J., Sandia National Laboratories (Funder), Department of Energy Hydrogen Program (Funder) (2009) Modeling, analysis and control system development for the italian hydrogen house. International Journal of Hydrogen Energy, 34 (4). pp. 1638-1646. ISSN 0360-3199

2008

Robertson, Sara and Taylor, Sarah and Christie, Robert and Rossini, Luca and Fletcher, J.E. (2008) Designing with a responsive colour palette: the development of colour and pattern changing products. Advances in Science and Technology, 60. pp. 26-31. ISSN 1662-8969

Jenkins, David and Fletcher, J.E. and Kane, David (2008) Lifetime prediction and sizing of lead-acid batteries for microgeneration storage applications. IET Renewable Power Generation, 2 (3). pp. 191-200. ISSN 1752-1416

Jenkins, David and Fletcher, J.E. and Kane, David (2008) A model for evaluating the impact of battery storage on microgeneration systems in dwellings. Energy Conversion and Management, 49 (8). pp. 2413-2424. ISSN 0196-8904

Wang, F. and Bai, l. and Fletcher, J.E. and Whiteford, J. and Cullen, D. (2008) Development of small domestic wind turbine with scoop and prediction of its annual power output. Journal of Wind Engineering and Industrial Aerodynamics, 33 (7). pp. 1637-1651. ISSN 0167-6105

Wang, F. and Bai, l. and Fletcher, J.E. and Whiteford, J. and Cullen, D. (2008) The methodology for aerodynamic study on a small domestic wind turbine with scoop. Journal of Wind Engineering and Industrial Aerodynamics, 96 (1). pp. 1-24. ISSN 0167-6105

2007

Zaki, O. and Brown, K. and Fletcher, J.E. and Lane, D. (2007) Detecting faults in heterogeneous and dynamic systems using DSP and an agent-based architecture. Engineering Applications of Artificial Intelligence, 20 (8). pp. 1112-1124. ISSN 0952-1976

Record, P. and Popov, C. and Fletcher, J.E. and Abraham, E. and Huang, Z. and Chang, H. and Whatmore, R. (2007) Direct and converse magnetoelectic effect in laminate bonded terfenol-D-PZT composites. Sensors and Actuators B: Chemical, 126 (1). pp. 344-349. ISSN 0925-4005

de Silva, P. and Fletcher, J.E. and Williams, B.W. (2007) Analysis of concentrated winding multi-phase machines under phase failure using decoupled vector space theory. In: 3rd IET International Conference on Power Electronics, Machines and Drives, 2006-04-04 - 2006-04-06.

Zaki, O. and Brown, K. and Fletcher, J.E. and Lane, D. (2007) Intelligent agents and DSP for detecting incipient faults. In: 17th Advances in Risk and Reliability Symposium, 2007-04-17 - 2007-04-19.

Fletcher, J.E. and Gao, L. and Reay, D. (2007) Investigating DC-link voltage ripple in multi-phase diode-clamped three level inverters. International Review of Electrical Engineering, 2 (1). pp. 68-70. ISSN 1827-6660

Zhang, H. and Massoud, A. and Finney, S.J. and Williams, B.W. and Fletcher, J.E. (2007) Operation of an active power filter with line voltage SVM under non-ideal conditions. In: 5th International IEEE Conference on Compatibility in Power Electronics, 2007-05-29 - 2007-06-01.

Gao, L. and Fletcher, J.E. and Reay, D. (2007) Operation of three- and five-phase diode-clamped three-level inverters under open-circuit fault conditions. In: 1st International Conference on Power Engineering, Energy and Electrical Drives, 2007-04-12 - 2007-04-14.

Hassanain, N.E.A.M. and Fletcher, J.E. (2007) Performance analysis of 3- and 5-phase permanent magnet generators for wind turbine application. In: 1st International Conference on Power Engineering, Energy and Electrical Drives, 2007-04-12 - 2007-04-14.

Masoud, M.I. and Fletcher, J.E. and Williams, B.W. (2007) Performance evaluation of decoupled control of rotor torque and rotor electric power in a salient pole synchronous machine. In: 2nd IEE International Conference on Power Electronics, Machines and Drives, 2004-03-31.

Fletcher, J.E. and Wang, F. and Bai, l. and Whiteford, J. and Cullen, D.; (2007) Wind tunnel tests on a wind turbine with contractor and diffuser arrangement. In: POWERENG2007. IEEE, PRT. ISBN 9781424408948

2006

Fletcher, J.E. and Helal, A. and Williams, B.W. (2006) Starting the single-phase switched reluctance motor using rotor shorting rings. IEEE Transactions on Energy Conversion, 21 (4). pp. 848-854. ISSN 0885-8969

Record, P. and Popov, C. and Fletcher, J.E. and Abraham, E. and Huang, Z. and Chang, H. and Whatmore, R. (2006) Direct and inverse magnetoelectic effect in laminate bonded terfenol-D-PZT composites. In: Symposium on Functional Materials for Micro and Nanosystems, 2006-05-29 - 2006-06-02.

Zheng, L. and Fletcher, J.E. and Williams, B.W. (2006) Current optimization for a multi-phase machine under an open circuit phase fault condition. In: 3rd IET International Conference on Power Electronics, Machines and Drives, 2006-04-04 - 2006-04-06.

de Silva, P. and Fletcher, J.E. and Williams, B.W. (2006) Design of five-phase induction motor using flux distribution optimisation. In: 3rd IET International Conference on Power Electronics, Machines and Drives, 2006-04-04 - 2006-04-06.

Zaki, O. and Brown, K. and Fletcher, J.E. and Lane, D. (2006) Detecting single and multiple faults using intelligent DSP and agents. In: 3rd IEEE Conference on Intelligent Systems, 2006-09-04 - 2006-09-06.

Mahmoud, M.M. and Fletcher, J.E. and Williams, B.W. (2006) Evaluation of rotor conducting screens on the single-phase switched reluctance machine. Electric Power Components and Systems, 34 (2). pp. 173-189. ISSN 1532-5008

Gao, L. and Fletcher, J.E. and Reay, D. and Zheng, L. (2006) Improvements in capacitor voltage balancing using multi-phase diode-clamped multi-level inverters. In: 3rd IET International Conference on Power Electronics, Machines and Drives, 2006-04-04 - 2006-04-06.

Wang, F. and Fletcher, J.E. and bai, l. and Whiteford, J. and Cullen, D.; (2006) Small domestic wind turbine with scoop: methodology and design. In: Proceedings of the 7th UK Conference on Wind Engineering. University of Strathclyde, GBR, pp. 157-160. ISBN 9780955357107

Singh, N. and Fletcher, J.E. and Finney, S.J. and Grant, D.M. and Douglas, M. and Williams, B.W. (2006) A novel switched reluctance generator inverter topology for AC power generation. In: 3rd IET International Conference on Power Electronics, Machines and Drives, 2006-04-04 - 2006-04-06.

2005

Fletcher, J.E. and Williams, B.W. and Mahmoud, M.M. (2005) Air-gap fringing flux reduction in inductors using open circuit copper screens. IEE Proceedings Electric Power Applications, 152 (4). pp. 990-996.

Mosoud, M. and Fletcher, J. and Williams, B.W. (2005) Decoupled control of rotor torque and rotor electrical power delivered in a salient-pole, synchronous machine. IEEE Transactions on Energy Conversion, 20 (1). pp. 45-52. ISSN 0885-8969

Singh, N. and Fletcher, J.E. and Finney, S.J. and Grant, D.M. and Williams, B.W. (2005) Evaluation of sparse PWM converter for switched reluctance generator. In: Sixth International Conference on Power Electronics and Drive Systems, 2005-11-28 - 2005-12-01.

2004

de Silva, P. and Fletcher, J.E. and Williams, B.W. (2004) Development of space vector modulation strategies for five phase voltage source inverters. In: 2nd IEE International Conference on Power Electronics, Machines and Drives, 2004-03-31.

Mahmoud, M.M. and Fletcher, J.E. and Williams, B.W. (2004) Evaluation of rotor conducting screens on the rotor of the single-phase switched reluctance machine. In: 2nd IEE International Conference on Power Electronics, Machines and Drives, 2004-03-31.

2003

Ghoneim, W.A.M. and Fletcher, J.E. and Williams, B.W. (2003) Linear analysis of two-, three- and four-phase switched reluctance machines with variable pitched winding configurations. IEE Proceedings Electric Power Applications, 160 (3). pp. 319-343. ISSN 1350-2352

2002

Hamdy, R. and Fletcher, J.E. and Williams, B.W. and Finney, S.J. (2002) High-speed performance improvements of a two-phase switched reluctance machine utilizing rotor-conducting screens. IEEE Power Engineering Review, 17 (4). pp. 500-506. ISSN 0272-1724

Ghoneim, W.A.M. and Fletcher, J.E. and Williams, B.W. (2002) Matrix approach for the generalised theory of doubly salient reluctance machines. IEE Proceedings Electric Power Applications, 149 (1). pp. 65-80. ISSN 1350-2352

Hamdy, R. and Fletcher, J.E. and Williams, B.W. and Finney, S.J. (2002) High speed performance improvements of a two-phase switched reluctance machine utilising rotor conducting screens. IEEE Transactions on Energy Conversion, 17 (4). pp. 500-506.