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  • Barry Williams
2017

Power dispatch and voltage control in multiterminal HVDC systems: a flexible approach

Raza, A., Liu, Y., Rouzbehi, K., Jamil, M., Gilani, S. O., Dianguo, X. & Williams, B. W., 24 Oct 2017, In : IEEE Access. 5, p. 24608-24616 9 p.

Research output: Contribution to journalArticle

Open Access
File
20 Citations (Scopus)
122 Downloads (Pure)
2018

A dual modular multilevel converter with shared capacitor sub-module for MV open-end stator winding machine drives

Diab, M. S., Massoud, A. M., Ahmed, S. & Williams, B. W., 17 Apr 2018.

Research output: Contribution to conferencePaper

Open Access
File
9 Downloads (Pure)
2017

Cascaded commutation circuit for a hybrid DC breaker with dynamic control on fault current and DC breaker voltage

Shan, Y., Lim, T. C., Finney, S. J., Guang, W., Williams, B. W., Holliday, D. & Ding, X., 5 Jan 2017, In : IET Power Electronics.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
110 Downloads (Pure)
2018

A hybrid nine-arm modular multilevel converter for medium-voltage six-phase machine drives

Diab, M. S., Elserougi, A. A., Massoud, A. M., Ahmed, S. & Williams, B. W., 24 Oct 2018, (Accepted/In press) In : IEEE Transactions on Industrial Electronics. 11 p.

Research output: Contribution to journalArticle

Open Access
File
11 Downloads (Pure)
2017

Quasi two-level PWM operation of a nine-arm modular multilevel converter for six-phase medium-voltage motor drives

Diab, M. S., Adam, G. P., Williams, B. W., Massoud, A. M. & Ahmed, S., 18 Oct 2017, (Accepted/In press) 2018 IEEE Applied Power Electronics Conference and Exposition (APEC). Piscataway, N.J.: IEEE, 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
25 Downloads (Pure)
2018

A modular multilevel converter with DHB energy balancing channels for medium-voltage adjustable-speed drives

Diab, M. S., Holliday, D., Massoud, A. M., Ahmed, S. & Williams, B. W., 17 Apr 2018. 6 p.

Research output: Contribution to conferencePaper

Open Access
File
13 Downloads (Pure)
2016

Current source back to back converter for wind energy conversion systems

Abdelsalam, I., Adam, G. P. & Williams, B. W., 15 Jun 2016, In : IET Renewable Power Generation. 19 p.

Research output: Contribution to journalArticle

Open Access
File
5 Citations (Scopus)
140 Downloads (Pure)
2017
Open Access
File
8 Citations (Scopus)
99 Downloads (Pure)
2016

Single-stage ac–dc buck–boost converter for medium-voltage high-power applications

Abdelsalam, I., Adam, G. P., Holliday, D. & Williams, B. W., 1 Feb 2016, In : IET Renewable Power Generation. 10, 2, p. 184-193 10 p.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
803 Downloads (Pure)
2017
Open Access
File
22 Citations (Scopus)
71 Downloads (Pure)
2016

Single-stage three-phase differential-mode buck-boost inverters with continuous input current for PV applications

Badawy, A., Massoud, A. M., Holliday, D., Ahmed, S. & Williams, B. W., 8 Jan 2016, In : IEEE Transactions on Power Electronics. 31, 12, p. 8218-8236 19 p.

Research output: Contribution to journalArticle

Open Access
File
24 Citations (Scopus)
82 Downloads (Pure)

Generation, performance evaluation and control design of single-phase differential-mode buck–boost current-source inverters

Darwish, A., Massoud, A., Holliday, D., Ahmed, S. & Williams, B., 1 Jul 2016, In : IET Renewable Power Generation. 10, 7, p. 916 - 927 12 p.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
121 Downloads (Pure)
2018
Open Access
File
1 Citation (Scopus)
17 Downloads (Pure)
2016

Influence of third harmonic injection on MMC-based HVDC transmission systems

Li, R., Fletcher, J. E. & Williams, B. W., 4 Aug 2016, In : IET Generation, Transmission and Distribution . 10, 11, p. 5764-2770 7 p.

Research output: Contribution to journalArticle

Open Access
File
38 Citations (Scopus)
343 Downloads (Pure)
Open Access
File
34 Citations (Scopus)
145 Downloads (Pure)

Review of dc-dc converters for multi-terminal HVDC transmission networks

Ased, G. P., Gowaid, I. A., Finney, S. J., Holliday, D. & Williams, B. W., 10 Feb 2016, In : IET Power Electronics. 9, 2, p. 281-296 16 p.

Research output: Contribution to journalArticle

Open Access
File
89 Citations (Scopus)
1037 Downloads (Pure)
2017

A protection scheme for multi-terminal VSCHVDC transmission systems

Raza, A., Akhtar, A., Jamil, M., Abbass, G., Gillani, S. O., Yuchao, L., Khan, M. N., Izhar, T., Dianguo, X. & Williams, B. W., 25 Dec 2017, In : IEEE Access. 7 p.

Research output: Contribution to journalArticle

Open Access
File
19 Citations (Scopus)
77 Downloads (Pure)
2016

Impact of fill factor on input current ripple of photovoltaic system

El Khateb, A. H., Rahim, N. A. & Williams, B. W., 23 Feb 2016, 2015 International Conference on Renewable Energy Research and Applications, ICRERA 2015. Piscataway, NJ. : IEEE, p. 120-123 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
106 Downloads (Pure)
2017

A modular multilevel converter with isolated energy-balancing modules for MV drives incorporating symmetrical six-phase machines

Diab, M. S. I. M., Williams, B., Holliday, D., Massoud, A. & Ahmed, S., 7 Nov 2017, 2017 IEEE Energy Conversion Congress and Exposition (ECCE). Piscataway, N.J.: IEEE, 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
8 Citations (Scopus)
45 Downloads (Pure)
2019

A T-type modular multilevel converter

Wang, S., Massoud, A. M. & Williams, B. W., 11 Nov 2019, In : IEEE Journal of Emerging and Selected Topics in Power Electronics.

Research output: Contribution to journalArticle

Open Access
File
6 Downloads (Pure)
2016

Improved performance low-cost incremental conductance PV MPPT technique

Zakzouk, N. E., Elsaharty, M. A., Abdelsalam, A. K., Helal, A. A. & Williams, B. W., 1 Apr 2016, In : IET Renewable Power Generation. 10, 4, p. 561-574 14 p.

Research output: Contribution to journalArticle

Open Access
File
103 Citations (Scopus)
214 Downloads (Pure)
2017
Open Access
File
15 Citations (Scopus)
61 Downloads (Pure)
2016

Multi-pole voltage source converter HVDC transmission systems

Ased, G. P. & Williams, B. W., 4 Feb 2016, In : IET Generation, Transmission and Distribution. 10, 2, p. 496-507 12 p.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
424 Downloads (Pure)

Transformer isolated buck-boost converters

Williams, B. W., 31 Dec 2016, In : Renewable Energy and Sustainable Development. 2, 2, p. 112-125 14 p.

Research output: Contribution to journalArticle

Open Access
File
87 Downloads (Pure)
2019

Continuous-input continuous-output current buck-boost DC/DC converters for renewable energy applications: modelling and performance assessment

Zakzouk, N. E., Khamis, A. K., Abdelsalam, A. K. & Williams, B. W., 10 Jun 2019, In : Energies. 12, 11, 27 p., 2208.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
7 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
25 Downloads (Pure)
2016

Hybrid modular multilevel converter with reduced three-level cells in hvdc transmission system

Li, R., Wu, J., Yao, L., Li, Y. & Williams, B., 22 May 2016, 2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
83 Downloads (Pure)

DC fault protection structures at a DC-link node in a radial multi-terminal high-voltage direct current system

Li, R., Fletcher, J. E., Yao, L. & Williams, B. W., 31 Jul 2016, In : IET Renewable Power Generation. p. 744-751 8 p.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
250 Downloads (Pure)
2017

A hybrid modular multilevel converter for medium-voltage variable-speed motor drives

Li, B., Zhou, S., Xu, D., Finney, S. J. & Williams, B. W., 30 Jun 2017, In : IEEE Transactions on Power Electronics. 32, 6, p. 4619 - 4630 11 p.

Research output: Contribution to journalArticle

Open Access
File
53 Citations (Scopus)
434 Downloads (Pure)

Enhanced flat-topped modulation for MMC control in HVDC transmission systems

Li, R., Fletcher, J. E., Xu, L. & Williams, B. W., 1 Feb 2017, In : IEEE Transactions on Power Delivery. 32, 1, p. 152-161 10 p.

Research output: Contribution to journalArticle

Open Access
File
19 Citations (Scopus)
306 Downloads (Pure)
2019
Open Access
File
57 Downloads (Pure)
2017
Open Access
File
10 Citations (Scopus)
137 Downloads (Pure)
Open Access
File
9 Citations (Scopus)
32 Downloads (Pure)

Three new DC-to-DC single-switch converters

Williams, B. W. & Moussa, M. F., 30 Jun 2017, In : Renewable Energy and Sustainable Development. 3, 2, p. 196-208 13 p.

Research output: Contribution to journalArticle

Open Access
File
16 Downloads (Pure)
2016

DC-to-DC converter with low input current ripple for maximum photovoltaic power extraction

El Khateb, A. H., Rahim, N. A., Selvaraj, J. & Williams, B., 2016, In : IEEE Transactions on Industrial Electronics. 62, 4, p. 2246 - 2256 11 p.

Research output: Contribution to journalArticle

Open Access
File
66 Citations (Scopus)
121 Downloads (Pure)
2017

Dynamic resonance analysis and oscillation damping of multiterminal DC grids

Liu, Y., Raza, A., Rouzbehi, K., Li, B., Xu, D. & Williams, B. W., 27 Aug 2017, In : IEEE Access. 5, p. 16974-16984 11 p.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
45 Downloads (Pure)
2020

Enhanced performance modified discontinuous PWM technique for three phase Z-source inverter

Hossameldin, A. A., Abdelsalam, A. K., Ibrahim, A. A. & Williams, B., 26 Jan 2020, In : Energies. 13, 3, 18 p., 578.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
7 Downloads (Pure)
2017

PV single-phase grid-connected converter: dc-link voltage sensorless prospective

Zakzouk, N. E., Abdelsalam, A. K., Helal, A. A. & Williams, B. W., 31 Mar 2017, In : IEEE Journal of Emerging and Selected Topics in Power Electronics. 5, 1, p. 526-546 21 p.

Research output: Contribution to journalArticle

Open Access
File
29 Citations (Scopus)
2468 Downloads (Pure)

Overview of current microgrid policies, incentives and barriers in the European Union, United States and China

Ali, A., Li, W., Hussain, R., He, X., Williams, B. W. & Memon, A. H., 29 Jun 2017, In : Sustainability. 9, 7, 28 p., 1146.

Research output: Contribution to journalReview article

Open Access
File
30 Citations (Scopus)
37 Downloads (Pure)
2018

A modular multilevel converter with integrated shared capacitor sub-module for MV motor drives incorporating symmetrical six-phase machines

Diab, M. S., Williams, B. W., Massoud, A. M. & Ahmed, S., 13 Sep 2018, 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics (COMPEL). Piscataway, NJ: IEEE, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
13 Downloads (Pure)
2016

Successful fault current interruption on DC circuit breaker

Shan, Y., Lim, T. C., Williams, B. W. & Finney, S. J., 10 Feb 2016, In : IET Power Electronics. 9, 2, p. 207-218 12 p.

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
203 Downloads (Pure)
2019

Strategies for decoupling internal and external dynamics resulting from inter-arm passive component tolerances in HVDC-MMC

Wang, S., Adam, G., Massoud, A., Holliday, D. & Williams, B., 28 Nov 2019, 2019 IEEE Energy Conversion Congress and Exposition. Piscataway, NJ: IEEE, p. 209-213 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
4 Downloads (Pure)
2020

High performance single-phase single-stage grid-tied PV current source inverter using cascaded harmonic compensators

Zakzouk, N. E., Abdelsalam, A. K., Helal, A. A. & Williams, B. W., 13 Jan 2020, In : Energies. 13, 2, 29 p., 380.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
1 Downloads (Pure)
2018

A modular multilevel converter with ripple-power decoupling channels for three-phase MV adjustable-speed drives

Diab, M. S., Massoud, A. M., Ahmed, S. & Williams, B. W., 20 Jul 2018, In : IEEE Transactions on Power Electronics. 15 p.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
38 Downloads (Pure)
2017

A series HVDC power tap using modular multilevel converters

Li, B., Guan, M., Xu, D., Li, R., Adam, G. P. & Williams, B., 16 Feb 2017, 2016 IEEE Energy Conversion Congress and Exposition (ECCE). Piscataway: IEEE, 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

5 Citations (Scopus)
2019

DC–DC converter with a high step-down ratio for water desalination applications

Pollock, R. C., McNeill, N., Holliday, D. & Williams, B. W., 30 Jun 2019, In : The Journal of Engineering. 2019, 17, p. 4545 – 4549 5 p.

Research output: Contribution to journalConference Contribution

Open Access
File
14 Downloads (Pure)
2016

Energy transfer analysis for capacitor voltage balancing of modular multilevel converters

Li, B., Li, R., Williams, B. W. & Xu, D., 25 Jul 2016, 2016 IEEE Transportation Electrification Conference and Expo (ITEC). Piscataway: IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
7 Citations (Scopus)
40 Downloads (Pure)
2019
Open Access
File
6 Citations (Scopus)
31 Downloads (Pure)
2016
Open Access
File
12 Citations (Scopus)
111 Downloads (Pure)
Open Access
File
22 Citations (Scopus)
271 Downloads (Pure)