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Research Output 2000 2019

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Conference contribution book
2018

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

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

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

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
2016
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
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
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
19 Citations (Scopus)

DC/DC converters based on hybrid MMC for HVDC grid interconnection

Zeng, R., Xu, L. & Yao, L., 1 Feb 2015, 11th IET International Conference on AC and DC Power Transmission. p. 1-6 6 p.

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

Open Access
File
DC-DC converters
Electric circuit breakers
Topology
1 Citation (Scopus)

Stability analysis of large wind farms connected to weak AC networks incorporating PLL dynamics

Givaki, K. & Xu, L., 18 Oct 2015, International Conference on Renewable Power Generation (RPG 2015). 6 p.

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

Open Access
File
Phase locked loops
Farms
Wind turbines
System stability
Dynamic response
2014
2 Citations (Scopus)

DC fault parameter sensitivity analysis

Page, F., Adam, G., Finney, S., Holliday, D. & Xu, L., 2014, Proceedings of the 12th IET International Conference on Developments in Power System Protection (DPSP 2014). Stevenage, UK, Vol. 2014. 6 p. 3.1.4

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

Open Access
File
Sensitivity analysis
Electric fault currents
Electric potential
Diodes
2013
17 Citations (Scopus)

DC fault analysis of MMC based HVDC system for large offshore wind farm integration

Gao, Y., Bazargan, M., Xu, L. & Liang, W., Sep 2013, 2nd IET Renewable Power Generation Conference (RPG 2013). IEEE, 4 p.

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

Offshore wind farms
Cables
Electric grounding
1 Citation (Scopus)

System frequency support using wind turbine kinetic energy and energy storage system

Xu, G., Xu, L. & Morrow, D. J., Sep 2013, 2nd IET Renewable Power Generation Conference (RPG 2013). IEEE, 4 p.

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

Kinetic energy
Wind turbines
Energy storage
Deceleration
Turbines
2012
27 Citations (Scopus)

DC fault analysis of VSC based multi-terminal HVDC systems

Rafferty, J., Xu, L. & Morrow, D. J., Dec 2012, 10th IET International Conference on AC and DC Power Transmission (ACDC 2012). p. 1-6 6 p.

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

Earth (planet)
Electric fault currents
Insulated gate bipolar transistors (IGBT)
Electric potential
Electric grounding
12 Citations (Scopus)

DC network stability and dynamic analysis using virtual impedance method

Chen, D., Xu, L. & Yao, L., Oct 2012, IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society. IEEE, p. 5625 - 5630 6 p.

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

Dynamic analysis
Root loci
Circuit simulation
System stability
Transfer functions
2011
6 Citations (Scopus)

High performance predictive current control of bi-directional DC-DC converters for DC micro grid application

Chen, D. & Xu, L., Aug 2011, 2011 International Conference on Electrical Machines and Systems (ICEMS). IEEE, 6 p.

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

Electric current control
DC-DC converters
Inductance
Sampling
Controllers
13 Citations (Scopus)

Wind turbines with energy storage for power smoothing and FRT enhancement

Xu, G., Xu, L. & Morrow, D. J., Jul 2011, 2011 IEEE Power and Energy Society General Meeting. IEEE, 7 p.

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

Wind turbines
Energy storage
Resistors
Damping
Voltage measurement
2010
12 Citations (Scopus)

Contribution of VSC-HVDC connected wind farms to grid frequency regulation and power damping

Wang, Y., Zhu, X., Xu, L. & Li, H., Nov 2010, IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society . IEEE, p. 397-402 6 p.

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

Farms
Damping
Modulation
Electric power transmission networks
Reactive power
11 Citations (Scopus)

The role of multiterminal HVDC for wind power transmission and AC network support

Xu, L., Yao, L., Bazargan, M. & Wang, Y., Mar 2010, 2010 Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 4 p.

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

Power transmission
Wind power
Offshore wind farms
Electric power transmission networks
MATLAB
2009
11 Citations (Scopus)

A novel algorithm of switched reluctance generator for maximum power point tracking in wind turbine application

Xiong, L., Xu, B., Gao, H. & Xu, L., Apr 2009, SUPERGEN '09. International Conference on Sustainable Power Generation and Supply, 2009. IEEE, 5 p.

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

Wind turbines
MATLAB
Monitoring
13 Citations (Scopus)

Behaviour and protection of doubly-fed induction generators during network faults

Foster, S., Xu, L. & Fox, B., Jul 2009, PES '09. IEEE Power & Energy Society General Meeting, 2009. IEEE, 8 p.

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

Asynchronous generators
Rotors
Electric potential
Reactive power
Recovery
92 Citations (Scopus)

DC grid management of a multi-terminal HVDC transmission system for large offshore wind farms

Xu, L., Yao, L. & Bazargan, M., Apr 2009, SUPERGEN '09. International Conference on Sustainable Power Generation and Supply, 2009. IEEE, 7 p.

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

Offshore wind farms
Voltage control
Electric potential
7 Citations (Scopus)

Improved rotor current control of wind turbine driven doubly fed induction generators during network unbalance

Hu, J., He, Y., Wang, H. & Xu, L., Apr 2009, International Conference on Sustainable Power Generation and Supply, 2009: SUPERGEN '09.. 7 p.

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

Asynchronous generators
Electric current control
Wind turbines
Rotors
Controllers
2008
18 Citations (Scopus)

A new direct power control strategy for grid connected voltage source converters

Zhi, D., Xu, L., Williams, B., Yao, L. & Bazargan, M., Oct 2008, International Conference on Electrical Machines and Systems, 2008. ICEMS 2008. IEEE, p. 1157 - 1162 6 p.

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

Power control
Switching frequency
Electric potential
Pulse width modulation
Fluxes
31 Citations (Scopus)

Control of an LCC HVDC system for connecting large offshore wind farms with special consideration of grid fault

Foster, S., Xu, L. & Fox, B., 2008, 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century. IEEE, 8 p.

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

Offshore wind farms
Communication
Electric potential
Frequency modulation
Fault detection
12 Citations (Scopus)

Control of DFIG-based wind farms for network unbalance compensation

Wang, Y., Xu, L. & Williams, B., 2008, IEEE Power Electronics Specialists Conference, 2008.: PESC 2008. IEEE, p. 113 - 119 7 p.

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

Asynchronous generators
Farms
Electric potential
Wind power
Electric lines
4 Citations (Scopus)

Improved direct power control of three-phase PWM converters

Zhi, D., Xu, L. & Williams, B., Nov 2008, 34th Annual Conference of IEEE Industrial Electronics, 2008: IECON 2008. IEEE, p. 778 - 783 6 p.

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

Switching frequency
Reactive power
Power control
Pulse width modulation
Electric potential
4 Citations (Scopus)

Improved operation of DFIG and FSIG-based wind farms during network unbalance

Wang, Y., Xu, L. & Williams, B., Jul 2008, 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century. IEEE, 7 p.

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

Asynchronous generators
Farms
Power electronics
Wind power
Stators
129 Citations (Scopus)

Multi-terminal DC transmission systems for connecting large offshore wind farms

Xu, L., Yao, L. & Williams, B., Jul 2008, 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century. IEEE, 7 p.

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

Offshore wind farms
Asynchronous generators
Electric potential
Voltage control
2007
27 Citations (Scopus)

Control of DFIG based wind generation systems under unbalanced network supply

Wang, Y. & Xu, L., 16 Jul 2007, IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference. New York: IEEE, p. 430-435 5 p.

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

Open Access
File
Torque
Reactive power
Dynamic models
Wind turbines
Stators
2006
21 Citations (Scopus)

Power electronics options for large wind farm integration: VSC-based HVDC transmission

Xu, L., Yao, L. & Sasse, C., 2006, 2006 IEEE/PES power systems conference and exposition proceedings. New York: IEEE, p. 760-767 8 p.

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

Power electronics
Farms
Asynchronous generators
Electric potential
Economics
2001
10 Citations (Scopus)

A new synchronous frame-based control strategy for a series voltage and harmonic compensator

Xu, L., Acha, E. & Agelidis, V. G., 2001, Proceedings of the sixteenth annual IEEE applied power electronics conference and exposition, 2001. APEC 2001. . New York: IEEE, Vol. 2. p. 1274-1280 7 p.

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

Electric potential
Controllers
Harmonic distortion
Harmonic generation
Diodes