If you made any changes in Pure these will be visible here soon.

Research Output 2000 2019

Filter
Article
6 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
116 Citations (Scopus)

Acoustic noise radiated by PWM-controlled induction machine drives

Lo, W. C., Chan, C. C., Zhu, Z. Q., Xu, L., Howe, D. & Chau, K. T., Aug 2000, In : IEEE Transactions on Industrial Electronics. 47, 4, 10 p.

Research output: Contribution to journalArticle

Acoustic noise
Modulation
Vector spaces
Air
Induction motors
27 Citations (Scopus)

Acoustic noise radiated from direct torque controlled induction motor drives

Xu, L., Zhu, Z. Q. & Howe, D., Nov 2000, In : IET Electric Power Applications. 147, 6, p. 491-496 6 p.

Research output: Contribution to journalArticle

Acoustic noise
Induction motors
Torque
Pulse width modulation
Fluxes
49 Citations (Scopus)

Active capacitor voltage control of flying capacitor multilevel converters

Xu, L. & Agelidis, V. G., 8 May 2004, In : IEE Proceedings Electric Power Applications. 151, 3, p. 313-321 8 p.

Research output: Contribution to journalArticle

Voltage control
Capacitors
Electric potential
Switches
Modulation
28 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

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
42 Citations (Scopus)

A flying capacitor multilevel converter based UPFC

Xu, L. & Agelidis, V. G., 2002, In : IEE Proceedings Electric Power Applications. 149, p. 304-310 7 p.

Research output: Contribution to journalArticle

Capacitors
Controllers
Electric potential
Harmonic distortion
Reactive power
53 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)

A hybrid modular multilevel converter with reduced full-bridge submodules

Li, R., Xu, L., YU, L. & Yao, L., 25 Nov 2019, (Accepted/In press) In : IEEE Transactions on Power Delivery. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Networks (circuits)
Topology
Electric fault currents
Electric potential
Capacitors
21 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
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
11 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
28 Citations (Scopus)

An ESPRIT-SAA-based detection method for broken rotor bar fault in induction motors

Xu, B., Sun, L., Xu, L. & Xu, G., Sep 2012, In : IEEE Transactions on Energy Conversion . 27, 3, p. 654-660 7 p.

Research output: Contribution to journalArticle

Invariance
Simulated annealing
Induction motors
Rotors
Time measurement
17 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
5 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
193 Citations (Scopus)

Autonomous DC voltage control of a DC microgrid with multiple slack terminals

Chen, D. & Xu, L., Nov 2012, In : IEEE Transactions on Power Systems. 27, 4, p. 1897-1905 9 p.

Research output: Contribution to journalArticle

Voltage control
Electric potential
Energy storage
Control systems
68 Citations (Scopus)

Compensation of network voltage unbalance using doubly fed induction generator-based wind farms

Wang, Y., Xu, L. & Williams, B. W., Mar 2009, In : IET Renewable Power Generation. 3, 1, p. 12-22 11 p.

Research output: Contribution to journalArticle

Asynchronous generators
Farms
Electric potential
Torque
Rotors
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
62 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
337 Citations (Scopus)

Control and operation of a DC microgrid with variable generation and energy storage

Xu, L. & Chen, D., Oct 2011, In : IEEE Transactions on Power Delivery. 26, 4, p. 2513-2522 10 p.

Research output: Contribution to journalArticle

Wind turbines
Energy storage
Wind power
Power generation
Control systems
Open Access
File
Power transmission
Wind power
Electric fault currents
Electric potential
Recovery
111 Citations (Scopus)

Control of PMSG-based wind turbines for system inertial response and power oscillation damping

Wang, Y., Meng, J., Zhang, X. & Xu, L., Apr 2015, In : IEEE Transactions on Sustainable Energy. 6, 2, p. 556-574 10 p.

Research output: Contribution to journalArticle

Open Access
File
Wind turbines
Damping
Controllers
Synchronous generators
Power control
82 Citations (Scopus)

Coordinated control of DFIG and FSIG-based wind farms under unbalanced grid conditions

Wang, Y. & Xu, L., Jan 2010, In : IEEE Transactions on Power Delivery. 25, 1, p. 367-377 11 p.

Research output: Contribution to journalArticle

Asynchronous generators
Farms
Electric power transmission networks
Electric potential
Power electronics
268 Citations (Scopus)

Coordinated control of DFIG's rotor and grid side converters during network unbalance

Xu, L., 2 May 2008, In : IEEE Transactions on Power Electronics. 23, 3, p. 1041-1049 9 p.

Research output: Contribution to journalArticle

Asynchronous generators
Rotors
Controllers
Electric current control
Stators
3 Citations (Scopus)
Open Access
File
Wind power
Diodes
Electric potential
Offshore wind farms
Power control
26 Citations (Scopus)

Coordinated DC voltage control of wind turbine with embedded energy storage system

Xu, G., Xu, L., Morrow, J. & Chen, D., 2012, In : IEEE Transactions on Energy Conversion . 27, 4, p. 1036-1045 10 p.

Research output: Contribution to journalArticle

Voltage control
Wind turbines
Energy storage
Controllers
Low pass filters
69 Citations (Scopus)

Coordinated reactive power control for facilitating fault ride-through of DFIG and FSIG based wind farms

Foster, S., Xu, L. & Fox, B., Mar 2010, In : IET Renewable Power Generation. 4, 2, p. 128-138 11 p.

Research output: Contribution to journalArticle

Asynchronous generators
Reactive power
Power control
Farms
Power generation
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
65 Citations (Scopus)
Open Access
File
Electric fault location
Fault detection
Electric potential
Immunization
Electric fault currents
171 Citations (Scopus)
Offshore wind farms
Voltage control
Electric potential
165 Citations (Scopus)

DC voltage variation based autonomous control of DC microgrids

Chen, D., Xu, L. & Yao, L., 2013, In : IEEE Transactions on Power Delivery. 28, 2, p. 637-648 10 p.

Research output: Contribution to journalArticle

Energy storage
Level control
Electric potential
Wind turbines
Control systems
211 Citations (Scopus)

Design and operation of a hybrid modular multilevel converter

Zeng, R., Xu, L., Yao, L. & Williams, B. W., 14 Oct 2014, In : IEEE Transactions on Power Electronics. 30, 3, p. 1137-1146 10 p., 6807785.

Research output: Contribution to journalArticle

Open Access
File
Electric potential
Capacitors
Power transmission
Sorting
Equivalent circuits
41 Citations (Scopus)

Development considerations of DSP-controlled PWM VSC-based STATCOM

Xu, L., Agelidis, V. G. & Acha, E., 2001, In : IEE Proceedings Electric Power Applications. 148, 5, p. 449-455 6 p.

Research output: Contribution to journalArticle

Pulse width modulation
Electric potential
Insulated gate bipolar transistors (IGBT)
Digital signal processing
Transient analysis
557 Citations (Scopus)

Direct active and reactive power control of DFIG for wind energy generation

Xu, L. & Cartwright, P., Sep 2006, In : IEEE Transactions on Energy Conversion. 21, 3, p. 750-758 9 p.

Research output: Contribution to journalArticle

Asynchronous generators
Reactive power
Power control
Wind power
Stators
277 Citations (Scopus)

Direct power control of DFIG with constant switching frequency and improved transient performance

Zhi, D. & Xu, L., Mar 2007, In : IEEE Transactions on Energy Conversion. 22, 1, p. 110-118 8 p.

Research output: Contribution to journalArticle

Asynchronous generators
Switching frequency
Reactive power
Power control
Rotors
16 Citations (Scopus)
Open Access
File
Offshore wind turbines
Phase locked loops
Diodes
Electric potential
Voltage control
518 Citations (Scopus)

Dynamic modeling and control of DFIG-based wind turbines ynder unbalanced network conditions

Xu, L. & Wang, Y., Feb 2007, In : IEEE Transactions on Power Systems. 22, 1, p. 314-323 9 p.

Research output: Contribution to journalArticle

Asynchronous generators
Wind turbines
Stators
Torque
Rotors
23 Citations (Scopus)

Dynamic modeling and direct power control of wind turbine driven DFIG under unbalanced network voltage conditions

Hu, J. B., He, Y. K. & Xu, L., Dec 2008, In : Journal of Zhejiang University. Science A. 9, 12, p. 1731-1740 9 p.

Research output: Contribution to journalArticle

Asynchronous generators
Power control
Wind turbines
Rotors
Stators

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

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
92 Citations (Scopus)

Enhanced control and operation of DFIG-based wind farms during network unbalance

Xu, L., Dec 2008, In : IEEE Transactions on Energy Conversion. 23, 4, p. 1073-1081 8 p.

Research output: Contribution to journalArticle

Asynchronous generators
Farms
Controllers
Electric potential
Electric current control
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
17 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

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
327 Citations (Scopus)

Grid integration of large DFIG-based wind farms using VSC transmission

Xu, L., Yao, L. & Sasse, C., Aug 2007, In : IEEE Transactions on Power Systems. 22, 3, p. 976-984 9 p.

Research output: Contribution to journalArticle

Asynchronous generators
Farms
Electric potential
Frequency modulation
128 Citations (Scopus)

Grid integration of large offshore wind farms using HVDC

Xu, L. & Andersen, B., 2006, In : Wind Energy. 9, p. 371-382 12 p.

Research output: Contribution to journalArticle

Offshore wind farms
Electric potential
HVDC power transmission
Asynchronous generators
1 Citation (Scopus)
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