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Research Output 2001 2019

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Article
2019
Open Access
File
Pulse generators
Capacitors
Electric potential
Diodes
Voltage measurement
Open Access
File
Electric potential
Power quality
Capacitors
Controllers
Open Access
File
Diodes
Capacitors
Electric potential
Reluctance motors
Braking
Open Access
File
Power converters
Controllability
Energy storage
Control systems
Networks (circuits)

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
Performance Assessment
Renewable Energy
Converter
Output
Signal analysis
2018
Open Access
File
Pulse generators
Electric potential
Capacitors
Power electronics
MATLAB

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
Electric potential
Topology
1 Citation (Scopus)
Open Access
File
Capacitors
Electric potential
Capacitance
Torque
2017
8 Citations (Scopus)
Open Access
File
Winding machines
Stators
Electric potential
Topology
High frequency transformers
6 Citations (Scopus)
Open Access
File
Pulse generators
Disinfection
Electric potential
Water
Capacitors
39 Citations (Scopus)

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
Electric potential
Topology
Capacitors
Bearings (structural)
Insulation
8 Citations (Scopus)
Open Access
File
waveforms
generators
Electric fields
Topology
electric fields
12 Citations (Scopus)

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
Electric potential
Electric fault currents
DC power transmission
Classifiers
2 Citations (Scopus)
Open Access
File
Pulse generators
Electric potential
Topology
Semiconductor switches
Semiconductor diodes
13 Citations (Scopus)
Open Access
File
Electric fields
Electric potential
Topology
Capacitors
Pulse repetition rate
3 Citations (Scopus)

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
Electric fault currents
Electric commutation
Networks (circuits)
Electric potential
Electric circuit breakers
8 Citations (Scopus)
Open Access
File
converters
cells
Electric potential
electric potential
conduction
9 Citations (Scopus)

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
Damping
Electric potential
Voltage measurement
Power converters
Electric current measurement
16 Citations (Scopus)

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
Modulation
Vector spaces
Electric fault currents
Electric grounding
Cooling systems
8 Citations (Scopus)
Open Access
File
Pulse generators
pulse generators
low voltage
high voltages
modules
3 Citations (Scopus)

Lyapunov-based high performance controller for modular resonant DC/DC converters for medium voltage DC grids

Aboushady, A. A., Ahmed, K. H., Finney, S. J. & Williams, B. W., 15 Dec 2017, In : IET Power Electronics. 10, 15, p. 2055–2064 10 p.

Research output: Contribution to journalArticle

Open Access
File
DC-DC converters
Controllers
Electric potential
Stability criteria
Disturbance rejection
4 Citations (Scopus)
Open Access
File
Multitasking
Power control
Electric potential
Experiments
9 Citations (Scopus)

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
Power control
Voltage control
Electric potential
Wind power
Power generation
18 Citations (Scopus)

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
Electric potential
Electric current control
System stability
Voltage control
Dynamic response
1 Citation (Scopus)

Simulation study of FACTS devices based on AC-AC modular multilevel hexagonal chopper

Li, P., Adam, G. P., Holliday, D., Finney, S. J. & Williams, B. W., 6 Mar 2017, In : IET Power Electronics.

Research output: Contribution to journalArticle

Open Access
File
Reactive power
Electric potential
Capacitors
Offshore wind farms
Flow control

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
Switches
Electric potential
Transfer functions
Diodes
Capacitors
2016
28 Citations (Scopus)
Open Access
File
Electric fault currents
Electric circuit breakers
Electric current control
Electric potential
Poles
16 Citations (Scopus)
Open Access
File
Pulse generators
pulse generators
Disinfection
high voltages
topology
Open Access
File
Modulation
Electric potential
Pulse width modulation
Vector spaces
2 Citations (Scopus)

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
Energy conversion
Wind power
Synchronous generators
Reactive power
Phase shift
6 Citations (Scopus)

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
Electric circuit breakers
Electric potential
Stars
Electric fault currents
Inductance
47 Citations (Scopus)

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
Inductance
Capacitance
Electric potential
5 Citations (Scopus)

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
Electric potential
Harmonic distortion
Topology
Controllers
Costs
69 Citations (Scopus)

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
Microcontrollers
Costs
Sampling
Electric potential
Processing
20 Citations (Scopus)

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
Electric fault currents
Capacitance
Semiconductor materials
Electric circuit breakers
Electric current control
7 Citations (Scopus)

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
Poles
Electric potential
10 Citations (Scopus)
Open Access
File
Electric potential
Bandwidth
FIR filters
Phase shift
Dynamic response
67 Citations (Scopus)

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
Electric power transmission networks
Electric potential
Scalability
Topology
6 Citations (Scopus)

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
Topology
Electric potential
19 Citations (Scopus)

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
Electric potential
High frequency transformers
Photovoltaic cells
Harmonic distortion
Digital signal processors
9 Citations (Scopus)

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
Electric fault currents
Electric circuit breakers
Electric commutation
Vacuum
Recovery

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
Topology
Switches
Magnetic cores
Bias currents
Electric potential
2015
52 Citations (Scopus)

A hybrid modular multilevel converter with novel three-level cells for DC fault blocking capability

Li, R., Fletcher, J. E., Xu, L., Holliday, D. & Williams, B. W., 1 Aug 2015, In : IEEE Transactions on Power Delivery. 30, 4, p. 2017-2026 10 p.

Research output: Contribution to journalArticle

Open Access
File
Semiconductor materials
Electric fault currents
Diodes
Clamping devices
Networks (circuits)
76 Citations (Scopus)
Open Access
File
Modulation
Electric potential
Resonant circuits
Insulation
Capacitors
20 Citations (Scopus)
Open Access
File
Transient analysis
Capacitors
Circuit oscillations
Pulse width modulation
Networks (circuits)
60 Citations (Scopus)

Continuous operation of radial multi-terminal HVDC systems under DC fault

Li, R., Xu, L., Holliday, D., Page, F., Finney, S. J. & Williams, B. W., 2015, In : IEEE Transactions on Power Delivery. 11 p.

Research output: Contribution to journalArticle

Open Access
File
Electric circuit breakers
Electric fault currents
Capacitors
Networks (circuits)
Electric potential
26 Citations (Scopus)

Coordinated operation and control of VSC based multiterminal high voltage DC transmission systems

Raza, A., Dianguo, X., Yuchao, L., Xunwen, S., Williams, B. W. & Cecati, C., 3 Dec 2015, In : IEEE Transactions on Sustainable Energy. 10 p.

Research output: Contribution to journalArticle

Open Access
File
HVDC power transmission
Offshore wind farms
Electric potential
Current voltage characteristics
Wind power
63 Citations (Scopus)
Open Access
File
Electric potential
Poles
Topology
Switching frequency
Energy storage
73 Citations (Scopus)
Open Access
File
Scalability
Electric potential
Modulation
Short circuit currents
Capacitors
11 Citations (Scopus)

Modified back-to-back current source converter and its application to wind energy conversion systems

Abdelsalam, I., Adam, G. P., Holliday, D. & Williams, B. W., 1 Jan 2015, In : IET Power Electronics. 8, 1, p. 103-111 9 p.

Research output: Contribution to journalArticle

Open Access
File
Energy conversion
Wind power
Electric potential
Uninterruptible power systems
Electric commutation