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Research Output 2000 2019

2019
Open Access
File
Power transmission
Wind power
Electric fault currents
Electric potential
Recovery
2 Citations (Scopus)
Open Access
File
Wind power
Diodes
Electric potential
Offshore wind farms
Power control

Energy efficient three-phase utility interactive residential microgrid with mode transfer capabilities at weak grid conditions

Kumar, S., Singh, B., Pal, B., Xu, L. & Al-Durra, A., 27 Aug 2019, In : IEEE Transactions on Industry Applications. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Energy storage
Synchronization
Power quality
Controllers
Electric potential
Open Access
File
Offshore wind farms
Diodes
Power control
Voltage control
HVAC

High voltage ride through control of PMSG-based wind turbine generation system using supercapacitor

Liu, G., Hu, J., Tian, G., Xu, L. & Wang, S., 2 May 2019, In : Active and Passive Electronic Components. 2019, 9 p., 3489252.

Research output: Contribution to journalArticle

Open Access
File
Wind turbines
Energy storage
Electric potential
Reactive power
Simulators

Hybrid converter topologies for dc transmission systems

Adam, G. P., Alsokhiry, F., Abdelsalam, I., Fletcher, J., Xu, L. & Al-Turki, Y., 20 Mar 2019, In : IET Power Electronics. 12, 3, p. 607-619 13 p.

Research output: Contribution to journalArticle

Open Access
File
Topology
Electric potential
Capacitors
Switches
MATLAB
1 Citation (Scopus)

Leaky least logarithmic absolute difference based control algorithm and learning based InC MPPT technique for grid integrated PV system

Kumar, N., Singh, B., Panigrahi, B. K. & Xu, L., 8 Jan 2019, In : IEEE Transactions on Industrial Electronics. 66, 11, p. 9003-9012 10 p., 8605505.

Research output: Contribution to journalArticle

Open Access
File
Incident solar radiation
Harmonic distortion
Electric potential
Power quality
Solar energy

Simulation-based optimisation of LCC-HVDC controller parameters using surrogate model solvers

Leavy, A. S. C., Xu, L., Filizadeh, S. & Gole, A. M., 25 Jul 2019. 8 p.

Research output: Contribution to conferenceProceeding

Open Access
File
Controllers
Tuning
Limiters
Electric potential
2018

Adjustable inertial response from the converter with adaptive droop control in DC grids

Wang, Y., Wang, C., Xu, L., Meng, J. & Hei, Y., 28 Mar 2018, In : IEEE Transactions on Smart Grid. 11 p.

Research output: Contribution to journalArticle

Open Access
File
Electric potential
Signal analysis
Synchronous generators
Energy storage
Capacitors

An alternative current-error based control for VSC integration to weak grid

Givaki, K., Chen, D., Xu, L. & Xu, Y., 24 Dec 2018, 2018 IEEE Power & Energy Society General Meeting (PESGM). Piscataway, NJ: IEEE, 5 p.

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

Open Access
File
Electric current control
Pulse width modulation
Damping
Electric potential
Compensation and Redress
8 Citations (Scopus)

A nearest level PWM method for the MMC in DC distribution grids

Wang, Y., Hu, C., Ding, R., Xu, L., Fu, C. & Yang, E., 11 Jan 2018, In : IEEE Transactions on Power Electronics. 17 p.

Research output: Contribution to journalArticle

Open Access
File
Pulse width modulation
Modulation
Electric potential
Switching frequency
Fourier transforms
14 Citations (Scopus)

A reliable micro-grid with seamless transition between grid connected and islanded mode for residential community with enhanced power quality

Talapur, G. G., Suryawanshi, H. M., Xu, L. & Shitole, A. B., 21 Feb 2018, In : IEEE Transactions on Industry Applications. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Power quality
Power control
Reactive power
Synchronization
Simulators
2 Citations (Scopus)

A transient voltage based DC fault line protection scheme for MMC based DC grid embedding DC breakers

Xiang, W., Zhan, J., Xu, L., Yang, S., Lin, W. & Wen, J., 8 Oct 2018, In : IEEE Transactions on Power Delivery. p. 1-12 12 p.

Research output: Contribution to journalArticle

Open Access
File
Poles
Electric circuit breakers
Electric potential
Overhead lines
Fault detection
1 Citation (Scopus)

Current error based compensations for VSC current control in weak grids for wind farm applications

Givaki, K., Chen, D. & Xu, L., 28 Mar 2018, In : IEEE Transactions on Sustainable Energy. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Electric current control
Farms
Electric potential
System stability
Compensation and Redress
1 Citation (Scopus)
Open Access
File
Offshore wind farms
Electric fault currents
Diodes
Bridge clearances
Electric current control

Detailed quantitative comparison of half-bridge modular multilevel converter modelling methods

Guo, D., Rahman, M. H., Adam, G. P., Xu, L., Emhemed, A., Burt, G. & Audichya, Y., 28 Jun 2018, The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018). Stevenage, p. 1-8 8 p.

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

Open Access
File
Switching functions
Short circuit currents

Enhanced AC voltage and frequency control of offshore MMC station for wind farm connection

Jing, Y., Li, R., Xu, L. & Wang, Y., 12 Jun 2018, (Accepted/In press) In : IET Renewable Power Generation.

Research output: Contribution to journalArticle

Open Access
File
Electric potential
Electric fault currents
Overcurrent protection
Offshore wind farms
Controllability
13 Citations (Scopus)

Enhanced independent pole control of hybrid MMC-HVDC system

Xiang, W., Ling, W., Xu, L. & Wen, J., 30 Apr 2018, In : IEEE Transactions on Power Delivery. 33, 2, p. 861-872 12 p.

Research output: Contribution to journalArticle

Open Access
File
Poles
Electric potential
Controllers
Modulation

Impact of DC protection strategy of large HVDC network on frequency response of the connected AC system

Zhou, D., Rahman, M. H., Xu, L. & Wang, Y., 14 Feb 2018, (Accepted/In press) p. 1-6. 6 p.

Research output: Contribution to conferencePaper

Open Access
File
Frequency response
Electric circuit breakers
Outages
Restoration
HVAC

Interoperability of different voltage source converter topologies in HVDC grids

Guo, D., Rahman, M. H., Adam, G. P., Xu, L., Emhemed, A., Burt, G. & Audichya, Y., 23 Oct 2018, (Accepted/In press) The 15th International Conference on AC and DC Power Transmission. Stevenage, 6 p.

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

Open Access
File
Interoperability
Topology
Electric potential
Hardware
Open Access
File
Electric fault currents
Wind power
Diodes
Fault detection
Wind turbines
Offshore wind farms
Diodes
Wind turbines
Electric fault currents
Electric potential
Open Access
File
Power transmission
Wind power
Diodes
Offshore wind farms
HVAC

Protection and post-fault recovery of large HVDC networks using partitioning and fast acting DC breakers at strategic locations

Rahman, M. H., Li, R., Yao, L. & Xu, L., 11 Mar 2018, (Accepted/In press) The 14th IET International Conference-AC and DC Power Transmission (ACDC 2018) . Stevenage, p. 1-8 8 p.

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

Open Access
File
Electric circuit breakers
Recovery
Voltage control
Restoration
Costs
2017
5 Citations (Scopus)

Accelerated switching function model of hybrid MMCs for HVDC system simulation

Li, R., Xu, L. & Guo, D., 10 Aug 2017, In : IET Power Electronics. 12 p.

Research output: Contribution to journalArticle

Open Access
File
Switching functions
MATLAB
Capacitors
Networks (circuits)
Electric potential
11 Citations (Scopus)
Open Access
File
Offshore wind turbines
Phase locked loops
Diodes
Electric potential
Voltage control

Enhanced AC voltage and frequency control on offshore MMC station for wind farm

Jing, Y., Li, R., Xu, L. & Wang, Y., 19 Oct 2017. 6 p.

Research output: Contribution to conferencePaper

Open Access
File
Electric potential
Wind power
Offshore wind farms
Phase locked loops
Controllability
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
4 Citations (Scopus)
Open Access
File
Short circuit currents
Electric potential
Capacitors
Switching functions
Switching frequency
3 Citations (Scopus)

Improved use of wind turbine kinetic energy for system frequency support

Xu, G. & Xu, L., 28 Jun 2017, In : IET Renewable Power Generation. 11, 8, p. 1094-1100 7 p.

Research output: Contribution to journalArticle

Open Access
File
Kinetic energy
Wind turbines
Rotors
4 Citations (Scopus)
Open Access
File
Multitasking
Power control
Electric potential
Experiments
1 Citation (Scopus)

Review of DC fault protection for HVDC grids

Li, R. & Xu, L., 8 Dec 2017, In : Wiley Interdisciplinary Reviews: Water. 7, 2, 20 p., e278.

Research output: Contribution to journalReview article

Open Access
File
Electric potential
Electric circuit breakers
Power transmission
Fault detection
Cables

Stability norms control using the virtual impedance concept for power frequency applications

Abojlala, K. I., Holliday, D. & Xu, L., 19 Oct 2017, p. 1-6. 6 p.

Research output: Contribution to conferencePaper

Open Access
File
Control systems
Stability criteria
Drag
Static synchronous compensators
2016
27 Citations (Scopus)
Open Access
File
Electric fault currents
Electric circuit breakers
Electric current control
Electric potential
Poles

Active distribution power system with multi-terminal DC links

Chen, D., Xu, L. & Zhang, W., 23 Sep 2016, In : IET Renewable Power Generation. 19 p.

Research output: Contribution to journalArticle

Open Access
File
Restoration
Switches
Electric potential
8 Citations (Scopus)

Adaptive DC stabilizer with reduced DC fault current for active distribution power system application

Chen, D., Xu, L. & Yu, J., 19 May 2016, In : IEEE Transactions on Power Systems. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Electric fault currents
Control systems
20 Citations (Scopus)

Analysis and control of modular multilevel converters under asymmetric arm impedance conditions

Zeng, R., Xu, L., Yao, L. & Finney, S. J., 31 Jan 2016, In : IEEE Transactions on Industrial Electronics. 63, 1, p. 71-81 11 p.

Research output: Contribution to journalArticle

Open Access
File
Equivalent circuits
Inductance
58 Citations (Scopus)
Open Access
File
Electric fault location
Fault detection
Electric potential
Immunization
Electric fault currents
8 Citations (Scopus)

DC fault protection strategy considering DC network partition

Rahman, M. H., Xu, L. & Yao, L., 14 Nov 2016, 2016 Power and Energy Society General Meeting (PESGM). Piscataway, NJ.: IEEE, 5 p.

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

Open Access
File
Electric circuit breakers
DC-DC converters
Cost reduction
Power transmission
MATLAB

Frequency support using multi-terminal HVDC systems based on DC voltage manipulation

Rafferty, J., Xu, L., Wang, Y., Xu, G. & Alsokhiry, F., 7 Jun 2016, (Accepted/In press) In : IET Renewable Power Generation. 18 p.

Research output: Contribution to journalArticle

Open Access
File
Offshore wind farms
Electric potential
Telecommunication

HVDC Networks for OffshoreWind Power

Finney, S., Xu, L. & Bell, K., 6 May 2016, Smart Grid Handbook . Liu, C-C. (ed.). John Wiley & Sons Inc., Vol. 1.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

7 Citations (Scopus)

Hybrid MMC based multi-terminal DC/DC converter with minimized FBSMs ratio considering DC fault isolation

Suo, Z., Li, G., Xu, L., Li, R., Wang, W. & Chi, Y., 28 Jun 2016, In : IET Renewable Power Generation. 21 p.

Research output: Contribution to journalArticle

Open Access
File
DC-DC converters
Electric potential
Electric fault currents
Open Access
File
Electric circuit breakers
DC-DC converters
MATLAB
Switches
Costs
1 Citation (Scopus)

Studies of coordinated zone protection strategies for DC grid

Yao, L., Wu, J., Xu, L. & Rahman, M. H., 14 Jul 2016, 2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia). Piscataway, NJ.: IEEE, p. 1-6 6 p.

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

Open Access
File
Electric potential
Power control
MATLAB

Submodule configuration of HVDC-DC auto transformer considering DC fault

Suo, Z., Li, G., Li, R., Xu, L., Wang, W., Chi, Y. & Sun, W., 22 Aug 2016, (Accepted/In press) In : IET Power Electronics. p. 1-24 24 p.

Research output: Contribution to journalArticle

Open Access
File
DC transformers
Topology
Semiconductor materials
Recovery

Transient analysis of interline dynamic voltage restorer using dynamic phasor representation

Abojlala, K. I., Holliday, D. & Xu, L., 7 Apr 2016, (Accepted/In press). 8 p.

Research output: Contribution to conferencePaper

Open Access
File
Transient analysis
Electric potential
MATLAB
Planning
2015

Active distribution power system with multi-terminal MVDC links

Chen, D., Xu, L. & Zhang, W., 7 Apr 2015, International Conference on Renewable Power Generation (RPG 2015). Piscataway, N.J., 6 p.

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

Open Access
File
Electric fault currents
Distributed power generation
Flow control
Power control
50 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)
25 Citations (Scopus)

Analysis of voltage source converter-based high-voltage direct current under DC line-to-earth fault

Rafferty, J., Xu, L. & Morrow, J., Mar 2015, In : IET Power Electronics. 8, 3, p. 428–438 11 p.

Research output: Contribution to journalArticle

Open Access
File
Earth (planet)
Electric potential
Electric grounding
22 Citations (Scopus)

Considerations in design of an offshore network

Bell, K. R. W., Xu, L. & Houghton, T., Feb 2015, In : CIGRE Science and Engineering. 1, p. 79-92 14 p.

Research output: Contribution to journalArticle

Open Access
File
Electric power transmission networks
Electric circuit breakers
Fault detection
Economics
Costs