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Book

    1. Man-Chung Wong, Ning-Yi Dai, Chi-Seng Lam, “Parallel Power Electronics Filters in Three-Phase Four-Wire Systems – Principle, Control and Implementation”, Springer, 2016.
    2. Keng-Weng Lao, Man-Chung Wong, Ning-Yi Dai, “Co-Phase Traction Power Supply with Railway Hybrid Power Quality Conditioner”, Springer, published in 2018.

Published/Accepted journal papers:

    1. Q. Yang, D. Huang, Y. Chen, N. Dai, “Comprehensive Parameter Optimization using Empowered and Lightweight Surrogate Model”, IEEE Transactions on Power Electronics, Early Access, 2024
    2. Q. Hou, N. Dai, Y, Huang, “Voltage Regulation Enhanced Hierarchical Coordinated Volt/Var and Volt/Watt Control for Active Distribution Networks with Soft Open Points”, IEEE Transactions on Sustainable Energy, Early Access, 2024
    3. L.Kong, H. Zhang, D. Xie, N. Dai, “Leveraging Electric Vehicles to Enhance Resilience of Interconnected Power-Transportation System Under Natural Hazards”, IEEE Transactions on Transportation Electrification, Early Access, 2024
    4. B. Zhang, J. Yin, Q. Yang, N. Dai, “Analysis and Optimization of Carrier Phase Displacement Angles for Modular Multilevel Converters with PSC-PWM” IEEE Transactions on Power Electronics, Early Access, 2024
    5. J.Yin, N. Dai, J. Leon, M. Perez, S. Vazquez, L. Franquelo, “Common-Mode-Voltage Regulation of Modular Multilevel Converters Through Model Predictive Control”, IEEE Transactions on Power Electronics, Early Access, 2024
    6. C. Li, K. Tam, H. Lin, Z. Zhang, C. Chio, C. Teng, N. Dai, K. Lao, N. Kong, G. Zhang, “ Design of Reconfigurable Impedance Transformer and Its Application to Medium Voltage XLPE Power Cable with Joint in TV White Space”, IEEE Transactions on Dielectrics and Electrical Insulation, Early Access, 2024
    7. J. Yin, N. Dai, “On Carrier-to-Fundamental Phase Displacement in Phase-Shifted PWM for Modular Multilevel Converters”, IEEE Transactions on Power Electronics, Early Access, 2024
    8. Q. Yang, G. Lin, X. Jin, B. Zhang, N. Dai, “Dynamic response improvement for multi-terminal DC system with AI-designed adaptive dynamic reference control” International Journal of Electrical Power & Energy Systems, Vol. 158, pp. 109967, 2024, Elsevier
    9. G. Lin, S. Wang, N. Dai, Y. Li, J. Liu, C. Rehtanz, S. Li, Y. Zhou, “A Reduced-Order Impedance Model and Analytical Loop-Correction Stabilization Method for Electric Vehicle DC Charging Station”, IEEE Transactions on Power Delivery, Early Access, 2024
    10. A. Liu, C. Hou, M. Zhu, N. Dai, “Power Synchronization Control of Grid-Tied Inverter: Phase Error Modeling for Unified System Design”, IEEE Journal of Emerging and Selected Topics in Power Electronics, Early Access, 2024
    11. Y. Qiu, J. Lin, Z. Zhou, N. Dai, F. Liu and Y. Song, “Achieving an accurate random process model for PV power using cheap data: Leveraging the SDE and public weather reports,” in CSEE Journal of Power and Energy Systems, doi: 10.17775/CSEEJPES.2021.09640.
    12. J. Yin, N. Dai, S. Vazquez, A. Marquez, J. I. Leon, M. A. Perez & L. G. Franquel, “An Improved Indirect Pulsewidth Modulation Technique for Modular Multilevel Converters,” in IEEE Transactions on Power Electronics, vol. 39, no. 1, pp. 733-743, Jan. 2024, doi: 10.1109/TPEL.2023.3321759.
    13. P. Wang, Z. Zhang, C. Chen, Q. Huang, N. Dai and W. -J. Lee, “Multistage Parameter Identification Featured Generic Wind Farm Dynamic Equivalent Modeling,” in IEEE Transactions on Industry Applications, vol. 59, no. 6, pp. 7475-7483, Nov.-Dec. 2023, doi: 10.1109/TIA.2023.3307656.
    14. Zhu J, Zhou B, Qiu Y, Zang T, Zhou Y, Chen S, Dai N, Luo H. Survey on Modeling of Temporally and Spatially Interdependent Uncertainties in Renewable Power Systems. 2023; 16(16):5938. https://doi.org/10.3390/en16165938
    15. Z. Zhou, N. Dai, L. Liu and J. Yin, “Dual-Phase-Shifted Pulsewidth Modulation of Three-Phase Modular Multilevel Converters,” in IEEE Transactions on Industrial Electronics, vol. 71, no. 2, pp. 1927-1937, Feb. 2024, doi: 10.1109/TIE.2023.3260347.
    16. S Yang, KW Lao, H Hui, Y Chen, N Dai, “Real-time harmonic contribution evaluation considering multiple dynamic customers“，CSEE Journal of Power and Energy Systems, Early Access, 2023
    17. J. Wang, KW Lao, N. Dai, H. Liu, Y Chi, Q. Wang, Y. Song “A Low-Order Steady-State Model of Electric Springs for Conservation Voltage Reduction in Active Distribution Networks with Renewables,” in IEEE Transactions on Power Delivery, vol 39, No. 1, pp. 363-377, 2024.
    18. L. Kong, H. Zhang, W. Li, H. Bai and N. Dai, “Spatial-temporal Scheduling of Electric Bus Fleet in Power-Transportation Coupled Network,” in IEEE Transactions on Transportation Electrification, vol.9, no. 2, pp. 2969-2982, June 2023, doi: 10.1109/TTE.2022.3214335.
    19.  J. Hong, H. Hui, H. Zhang, Dai, Y. Song, “Distributed control of large-scale inverter air conditioners for providing operating reserve based on consensus with nonlinear protocol”, IEEE Internet of Things Journal, vol. 9, no. 17, pp. 15847-15857, Sept.1, 2022
    20. Q. Hou, G. Chen, N. Dai and H. Zhang, “Distributionally Robust Chance-Constrained Optimization of Soft Open Points in Active Distribution Networks”, CSEE Journal of Power and Energy Systems, Early Access, 2022
    21. N. Dai, Y. Ding, J. Wang, D. Zhang, “Advanced Technologies for Modeling, Optimization and Control of the Future Distribution Grid” Frontiers in Energy Research, 2022
    22. H Hui, P Siano, Y Ding, P Yu, Y Song, H Zhang, Dai, “A transactive energy framework for inverter-based HVAC loads in a real-time local electricity market considering distributed energy resources”, IEEE Transactions on Industrial Informatics, vol.18, no.12, pp 8409-8421, 2022
    23. L. Liu, Z. Zhou, N. Dai, KW Lao, Y Song, “Interpolated Phase-Shifted PWM for Harmonics Suppression of Multilevel Hybrid Railway Power Conditioner in Traction Power Supply System” in IEEE Transactions on Transportation Electrification, vol. 8, no. 1, pp. 898-908, March 2022, doi: 10.1109/TTE.2021.3118220.
    24. L. Liu, N. Dai, K. -W. Lao and Y. Song, “Nonuniform Power Factor Partial Compensation for Compensating Current Reduction using Particle Swarm Optimization in Traction Power Supply System,” in IEEE Transactions on Industrial Electronics, vol. 69, no. 6, pp. 6140-6151,June 2022
    25. G. Chen, H. Zhang, H. Hui, N. Dai, Y. Song, “Scheduling thermostatically controlled loads to provide regulScheduling thermostatically controlled loads to provide regulation capacity based on a learning-based optimal power flow model” IEEE Transactions on Sustainable Energy 12 (4), 2459-2470,(2021)
    26. Y. Qiu, J. Lin, F. Liu, N. Dai, Y. Song, G. Chen, L. Ding, “Tertiary regulation of cascaded run-of-the-river hydropower in the islanded renewable power system considering multi-timescale dynamics”. IET Renew. Power Gener. 15, 1778– 1795 (2021)
    27. Y. Qiu, J. Lin, F. Liu, N. Y. Dai and Y. Song, “Continuous Random Process Modeling of AGC Signals Based on Stochastic Differential Equations,” in IEEE Transactions on Power Systems, Vol. 6, No.5, pp. 4575-4587s, 2021
    28. T Ahmad, D Zhang, C Huang, H Zhang, N Dai, Y Song, H Chen, “Artificial intelligence in sustainable energy industry: Status Quo, challenges and opportunities”, Journal of Cleaner Production, 125834, 2021
    29. L. Liu, N. Dai, K. W. Lao and W. Hua, “A Co-Phase Traction Power Supply System Based on Asymmetric Three-Leg Hybrid Power Quality Conditioner,” in IEEE Transactions on Vehicular Technology, vol. 69, no. 12, pp. 14645-14656, Dec. 2020.
    30. W. Deng, N. Dai, K. -W. Lao and J. M. Guerrero, “A Virtual-Impedance Droop Control for Accurate Active Power Control and Reactive Power Sharing Using Capacitive-Coupling Inverters,” in IEEE Transactions on Industry Applications, vol. 56, no. 6, pp. 6722-6733, Nov.-Dec. 2020.
    31. M. Hu, W. Hua, Z. Wu, N. Dai, H. Xiao and W. Wang, “Compensation of Current Measurement Offset Error for Permanent Magnet Synchronous Machines,” in IEEE Transactions on Power Electronics, vol. 35, no. 10, pp. 11119-11128, Oct. 2020.
    32. X Zhu, W Hua, B Wang, Dai, N. Y., “Comparison of stator-and rotor-surface-mounted PM brushless machines“ IET Electric Power Applications 14 (1), 62-70
    33. Lao, K. W., Dai, N. Y., Sheng, J. J., , “An improved closed-loop droop control technique for higher utilization of power output capability in CCI” International Journal of Electrical Power & Energy Systems, Vol. 109, (07/2019): 455-469.
    34. Lao, K. W., Deng, W. Y., Sheng, J. J., Dai, N. Y.,” PQ-Coupling Strategy for Droop Control in Grid-Connected Capacitive-Coupled Inverter”, IEEE Access, 7(1). (12/2019): 31663-31671.
    35. Ye, T., Dai, N. Y., Lao, K. W.,  Lam, C. S., Wong, M. C.,” Low DC voltage PV generation system with power factor correction and harmonic suppression capability in a distribution network” IET Generation, Transmission & Distribution, 13(7), 1049-1056 (01/2019)
    36. Lao, K. W., Wong, M. C., Dai, N. Y., Lam, C. S., Wang, L., Wong, C. K. “Analysis of the effects of Operation Voltage Range in Flexible DC Control on Railway HPQC Compensation Capability in High-Speed Co-phase Railway Power”. IEEE Transactions on Power Electronics, 33(2).  (02/2018):1760-1774.
    37. Lao, K. W., Wong, M. C., Dai, N. Y., Lam, C. S., Wong, C. K., Wong, L., “ Analysis in the effect of co-phase traction railway HPQC coupled impedance on its compensating capability and impedance-mapping design technique based on required compensation capability for reduction in operation voltage”, IEEE Trans. on Power Electronics, 32.4 (2017):2631-2646.
    38. Ye, T., Dai, N. Y., Lam, C. S., Wong, M. C., Guerrero, J. M. “Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter.”  IEEE Trans. Industry Application. 52.5 (2016): 4269-4280
    39. Lam, C. S., Wong, M. C., Dai, N. Y., Choi, W. H., Cui, X. X., Chung, C. Y. “Switching loss reduction technique in active power filters without auxiliary circuits.” IET Power Electronics. 9.4(2016): 728-742.
    40. Lao, K. W., Wong, M. C., Dai, N. Y., Wong, C. K., Lam, C. S. “Analysis of DC link operation voltage of a hybrid railway power quality conditioner and its PQ compensation capability in high speed co-phase traction power supply.” IEEE Trans. on Power Electronics, 31.2 (2016):1643-1656. Print. 
    41. Hua, W., Hua, H., Dai, N. Y., Zhao, G. S., Cheng, M., “Comparative Study of Switched Reluctance Machines with Half- and Full-Teeth-Wound Windings”, IEEE Trans. Industrial Electronics, 63.3(2016):1414-1424. Print.
    42. Shao, L. Y., Hua, W., Dai, N. Y., Tong, M. H., Cheng, M. “Mathematical modeling of a twelve-phase flux-switching permanent magnet machine for wind power generation.” IEEE Trans. Industrial Electronics. 63.1(2016):504-516.Print.
    43. Wang, B. A., Shang, J., Dai, N. Y., Chen H. “Harmonic reference currents balancing method for a delta-connected Static synchronous compensator.” Electronics Letters,51.25(2015):2134-2135. Print.
    44. Zeng, W. L., Lam, C. S., Zheng, W. M., Sin, S. W., Dai, N. Y., Wong, M. C., U., S. P., Martins, R. “DCM operation analysis of KY converter”, Electronics Letters, 51.24(2015): 2037-2038.
    45. Dai, N. Y.,Lao, K. W., Lam, C. S. “Hybrid Railway Power Conditioner with Partial Compensation for Converter Rating Reduction.” IEEE Trans. Ind. Applica., 51.5 (2015): 4130-4138. Print. 
    46. Wong, M. C., Yang, Y. Z., Lam, C. S., Choi, W. H., Dai, N. Y., Wu, Y. J., Wong, C. K., Sin, S. W., Chio, U. F., U, S. P., Martins, R.P.. “Self-reconfiguration property of a mixed signal controller for improving power quality compensation during light loading.” IEEE Trans. Power Electronics, 30.10 (2015): 5938-5951. Print.
    47. Dai, N. Y., Zhang, W. C., Wong, M. C., Guerrero, J. M., Lam, C. S. “Analysis, control and experimental verification of a single-phase capacitive-coupling grid connected inverter.” IET Power Electronics, 8.5 (2015):  770-782. Print.
    48. Lao, K. W., Wong, M. C., Dai, N. Y., Wong, C. K., Lam, C. S. “A systematic approach to hybrid railway power conditioner design with harmonic compensation for high-speed railway.” IEEE Trans.Industrial Electronics, 62.2 (2015): 930-942. Print.
    49. Wang, L., Lam, C. S., Wong, M. C., Dai, N. Y., Lao, K.W., Wong, C.K. “Non-Linear adaptive hysteresis band pwm control for hybrid active power filters in reducing switching loss.”  IET Power Electronics, 8.11(2015): 2156-2167. Print.
    50. Dai, N. Y., Lam, C. S., Zhang, W. C. “Multifunctional Voltage Source Inverter for Renewable Energy Integration and Power Quality Conditioning.”, The Scientific World Journal, Article ID 421628, 10 pages (2014).
    51. Dai, N. Y., Wong, M. C., Lao, K. W., Wong, C.K. “Modelling and control of a railway power conditioner in co-phase traction power system under partial compensation.” IET Power Electronics, 7.5 (2014): 1044-1054. Print.
    52. Lao, K. W., Dai, N. Y., Liu, W. G., Wong, M. C. “Hybrid power quality compensator with minimum DC operation voltage design for high speed traction power systems.” IEEE Trans. Power Electronics, 28.4 (2013):  2024-2036. Print.
    53. Dai, N. Y., Lao, K. W., Wong, M. C., Wong, C.K. “Hybrid Power Quality Conditioner for Co-phase Power Supply System in Electrified Railway.” IET Power Electronics, 5.7 (2012): 1084-1094. Print.
    54. Lok, I. K., Dai, N. Y., Wong, M. C. “A Three-Level Soft-Switching Active Power Filter with DC Self-Balancing Capability.” International Review of Electrical Engineering – IREE, 29.4 (2011): 2883-2893. Print.
    55. Dai, N. Y., Wong, M. C., Ng, F., Han, Y. D. “A FPGA-based Generalized Pulse Width Modulator for Three-leg Centre-split and Four-leg Voltage Source Inverters.” IEEE Trans. Power Electronics, 23.3 (2008): 1472-1484. Print.
    56. Dai, N. Y., Wong, M. C., Han, Y. D. “Application of a Three-level NPC Inverter as a 3-Phase 4-Wire Power Quality Compensator by Generalized 3DSVM.” IEEE Trans. Power Electronics, 21.2 (2006): 440-449. Print.
    57. Dai, N. Y., Wong, M. C., Chen, Y. H., Han, Y. D. “A 3D Generalized Direct PWM Algorithm for Multilevel Converters.” IEEE Power Electronics Letters (EI), 3.3 (2005): 85-88. Print.
    58. Dai, N. Y., Wong, M. C., Han, Y. D. “Three-Dimensional Space Vector Modulation with d.c. voltage variation control in 3-leg center-split power quality compensator.” IEE Proc.-Electr. Power Appl.151.2 (2004): 198-204. Print.

Patents

    • Li Liu and Ningyi Dai “Interpolated Phase-shifted Pulse Width Modulation, its controller and modular multilevel converter” Chinese Patent of Invention,  202110894697.1

    • Z. Zhou and N. Dai “Interpolated Phase-shifted Pulse Width Modulation, its controller and modular multilevel converter” Chinese Patent of Invention, 202210336740.7

    • W. Deng and N. Dai, “Inverter’s Power-sharing Strategy for Hybrid Microgrid System”, Chinese Patent of Invention (Pending).

    • Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, Chi-Kong Wong, “Single-phase power quality conditioner for power supply system in electrified Railway”, Chinese Patent for Invention, No. 201210051065.X.
    • Man-Chung Wong, Ning-Yi Dai, Wen-Chen Zhang, Chi-Kong Wong, “A single phase grid-connected inverter with power quality conditioning capability”, Chinese Patent for Invention, Application No. 2012120400404770.
    • Ning-Yi Dai, Man-Chung Wong, Ying-Duo Han, “Generalized PW modulator for multi-level three-phase four-wire voltage source converters”, Chinese Patent for Invention, 200710102959.6.
    • Man-Chung Wong, Chi-Seng Lam, Ning-Yi Dai, “Capacitor-coupled STATCOM and its control strategy”, Chinese Patent for Invention, 200710196710.6
    • Lok Io-Keong, Wong Man-Chung, Ning-Yi Dai, Chi-Kong Wong, “DC voltage self-balancing soft-switching three-level inverter, Chinese Patent for Utility Model, 200920273283.1

Conference papers:

    1. J. Yin, N. Dai, “Efficient Design of Phase-Shifted PWM for Modular Multilevel Converters Considering Carrier Initial Phase Angle”, 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), pp. 386-391, 2023
    2. J. Zhu, G. Lin, N. Dai, “Enhancing Power Decoupling Control of Grid-Connected Inverters Through Data-Driven Parameter Optimization”, 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), pp. 1510-1515, 2023
    3. J. Wang, K. Lao, N. Dai, H. Liu, Y. Chi, Q.Wang, Y. Song, “A Low-Order Steady-State Model of Electric Springs for Conservation Voltage Reduction in Active Distribution Networks with Renewables”, 2023 IEEE PES Innovative Smart Grid Technologies Europe (ISGT EUROPE), 1-Jan., 2023   
    4. R. Wang, Q. Hou, N. Dai, P. Wang, “Optimal Placement of Phasor Measurement Unit in Active Distribution Network considering Uncertainty and Soft Open Point”, 2023 IEEE 4th China International Youth Conference On Electrical Engineering (CIYCEE),  2023
    5. X. Jin, N. Dai, Y. Huang, “μ Approach-Based Robust Stability Analysis of Weak-Grid-Connected Voltage Source Converter”, 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), pp. 214-219, 2023
    6. Y. Zhao, Q. Yang, N. Dai, Y. Huang, “An Improved Control Strategy with Adaptive Dynamic Reference Control for DC Voltage Stabilization in Soft Open Point”, 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), pp. 2203-2208, 2023
    7. X. Cheng, J. Chen, Y. Chen, X. Zhao, Z. Zhou, Q. Yang, N. Dai, “ Digital-Twin-Driven PI Parameter Evaluation Method for Grid-Connected Converters”, 2023 4th International Conference on Power Engineering (ICPE), pp. 26-31, 2023
    8. B. Zhang and N. Dai, “Analysis and Optimization of Carrier Phase-Displacement Angles for Six-Phase Modular Multilevel Converters with Improved Common-Mode Voltage Performance,” 2023 26th International Conference on Electrical Machines and Systems (ICEMS), pp. 4352-4356, 2023.
    9. S He, J Hong, W Tang, N Dai, “Distributed Event-triggered Control of Thermostatically Controlled Loads as Virtual Power Plant Considering Signal Noises”, 2023 IEEE 6th International Electrical and Energy Conference (CIEEC), 1474-1478
    10. J. Yin, N. Dai, J. I. Leon and L. G. Franquelo, “Model Predictive Control of Modular Multilevel Converter with Enhanced Harmonic Performance,” 2022 IEEE International Conference on Industrial Technology (ICIT), Shanghai, China, 2022, pp. 1-6, doi: 10.1109/ICIT48603.2022.10002783.
    11. P. Wang, Z. Zhang, Q. Huang, N. Dai and W. -J. Lee, “A Novel Time-Varying Parameter Identification Approach for Load Model in Active Distribution Network,” 2022 IEEE Industry Applications Society Annual Meeting (IAS), Detroit, MI, USA, 2022, pp. 1-7, doi: 10.1109/IAS54023.2022.9939956.
    12. P. Wang, Z. Zhang, Q. Huang, N. Dai and W. -J. Lee, “A Multistage Parameter Identification Approach for Dynamic Equivalent Modeling of Wind Farm,” 2022 IEEE Industry Applications Society Annual Meeting (IAS), Detroit, MI, USA, 2022, pp. 1-8, doi: 10.1109/IAS54023.2022.9940012.
    13. Y. Chen, J. Ma, M. Zhu and N. Dai, “A DC-DC converter with input full active bridge and output semi active bridge for bipolar LVDC systems,” 2022 IEEE Industry Applications Society Annual Meeting (IAS), Detroit, MI, USA, 2022, pp. 1-6, doi: 10.1109/IAS54023.2022.9940082.
    14. Z Xing, KW Lao, HJ Gao, N. Dai, “Modified Data-driven Power Flow Model for Power Estimation with Incomplete Bus Data”, 2022 12th International Conference on Power, Energy and Electrical  Engineering (CPEEE), pp. 316-320, 2022
    15. Z. Zhou, L. Liu, N. Dai, “Day-ahead Power Forecasting Model for a Photovoltaic Plant in Macao Based on Weather Classification Using SVM/PCC/LM-ANN, Proc. of 2021 IEEE Sustainable Power and Energy Conference (iSPEC)}, pp. 775-780, 2021
    16. Q. Fan, N. Dai “Genetic Algorithm for PI Controller Design of Grid-connected Inverter based on Multilayer Perceptron Model”, Proc. of 2021 IEEE Sustainable Power and Energy Conference (iSPEC), pp. 2770-2775, 2021
    17. H Hui, P Yu, H Zhang, N Dai, W Jiang, Y Song, “Regulation Capacity Evaluation of Large-scale Heterogeneous Residential Air Conditioning Loads”,  2021 IEEE Sustainable Power and Energy Conference (iSPEC), 2505-2510, 2021
    18. Z Xing, JH Gong, KW Lao, NY Dai, “Single Bus Data-driven Power Estimation Based on Modified Linear Power Flow Model”,  2021 6th International Conference on Power and Renewable Energy (ICPRE), 755-758, 2021
    19. G Chen, H Zhang, N Dai, Y Song, “Topology-free optimal power dispatch for distribution network considering security constraints and flexible building thermal inertia”, 2021 IEEE Power & Energy Society General Meeting (PESGM), 1-5, 2021
    20. Z Chen, M Zhu, C Hou, N Dai, X Cai, “Voltage Source Rectifiers with Power Synchronization Control” 2020 4th International Conference on HVDC (HVDC), 1013-1018, 2020
    21. Deng W. Y., Dai, N. Y.,Lao K. W., Guerreor, J.M. “An Enhanced Power Decoupling Control for Grid connected Capacitive Coupling Inverters”, Proceedings of ECCE 2019, Baltimore, Oct. 1-4, 2019
    22. Q Hou, J Zheng, N Dai, “Application of Soft Open Point for Flexible Interconnection of Urban Distribution Network”, 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC 2019)
    23. Deng W. Y., Dai, N. Y., “A Power Sharing Control Method for Microgrid Consisting of Capacitive-Coupling and Inductive-Coupling Inverter”, Proceedings of PEAC 2018, ShenZhen, Nov. 4-7, 2018, pp. 1-5
    24. Liu L., Dai, N. Y.,and Z. Xiang, ‘Hybrid railway power conditioner based on chopper cell modular multilevel converter with four legs,’ 2017 20th International Conference on Electrical Machines and Systems (ICEMS), Sydney, NSW, 2017, pp. 1-6
    25. Liu L., Dai, N. Y., “Hybrid railway power conditioner based on half-bridge modular multilevel converter”,
      Proceedings of ECCE 2016, Milwaukee, Sept. 18-22, 2016. IEEE 
    26. Shang J., Dai, N. Y., Wang B. A., Chen H. “Railway power conditioner based on delta-connected modular multilevel converter”, Proceedings of ECCE 2016, Milwaukee, Sept. 18-22, 2016. IEEE
    27. Ye T., Dai, N. Y., Zhu M.. “Optimize the series LC design for a Quasi Proportional-Resonant Controlled Hybrid Active Power Filter with Harmonic Compensation.” Proceedings of ICIEA 2016, HeFei, 5-8 June. 2016. IEEE.
    28. Sheng, J. J., Dai, N. Y., Wong, M. C., Lam, C. S., Lao, K. W.  “Droop-Boost Control for Single-Phase Hybrid Power Filter.” Proceedings of the TENCON2015, Macau, 1-4 Nov. 2015. IEEE, 2015.1-6.
    29. Wang, B. A., Shang, J.J., Chen, H., Liu, L., Dai, N. Y.. “Reduction of Converter Rating for a Delta-Connected STATCOM by Optimizing Phase Harmonic References.” Proceedings of theTENCON2015, Macau, 1-4 Nov. 2015. IEEE, 2015. 1-6.
    30. Wang, B. A., Shang, J.J., Chen, H., Dai, N. Y.. “Steinmetz Theory Applied to Fundamental Phase Reference Current Calculation for a STATCOM with Delta Configuration.” Proceedings of theTENCON2015, Macau, 1-4 Nov. 2015. IEEE, 2015.1-6.
    31. Ye, T., Dai, N. Y., Lam, C. S., Wong, M. C., Guerrero, J. M. “Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter.” Proceedings of the ECCE 2015, Montreal, 20-24 September 2015. IEEE, 2015. 2506-2513.
    32. Zheng, C. P., Dai, N. Y., Wong, M. C., Wong, C. K., Zhu M.. “Adaptive DC Voltage Control for Single-phase Hybrid Filter with PV Integration Capability.” Proc. of ICPE-ECCE Asia 2015, Seoul, 1-5 June 2015. IEEE, 2015. 2011-2017.
    33. Jaskulke, M., Zhu, M., Dai, N. Y., Cai, X. “Novel single phase dynamic voltage restorer based on dc-modulation ac-ac technique.” Proc. of 10th Conference on Industrial Electronics and Applications, ICIEA 2015,Auckland, 16-18 June 2015. IEEE, 2015.
    34. Dai, N. Y., Lao, K. W., Lam, C. S. “Hybrid railway power conditioner with partial compensation for rating optimization.” Proc. of IEEE Energy Conversion Congress and Exposition, ECCE 2014, Pittsburgh, PA, 14-18 Sept. 2014. IEEE, 2014. 5908-5915.
    35. Zhao, Y., Dai, N. Y., Wang, B. A. “Application of three-phase modular multilevel converter (MMC) in co-phase traction power supply system.”  Proc. of IEEE Transportation Electrification Conference and Expo (ITEC) Asia-Pacific  2014, Beijing, P. R. China, Aug. 31 – Sep. 03, 2014. IEEE, 2014. 1-6.
    36. Chen, G., Zhang, J. W., Zhu, M., Dai, N. Y., Cai, X. “Adaptive thermal control for power fluctuation to improve lifetime of IGBTs in multi-MW medium voltage wind power converter.” Proc. of International power electronics conference, IPEC-Hiroshima 2014, ECCE Asia 2014. Hiroshima, 18-21 May 2014. IEEE, 2014. 1496-1500.
    37. Chen, G., Zhang, J. W., Zhu, M., Dai, N. Y., Cai, X. “Optimized design for multi-MW wind power converter based on efficiency and reliability.” Proc. of International power electronics conference, IPEC-Hiroshima 2014, ECCE Asia 2014. Hiroshima, 18-21 May 2014. IEEE, 2014. 1769-1774.
    38. Zheng, C. P., Dai, N. Y., Wong, M. C., Wong, C. K., Zhu M. “Capacitive-coupling inverter for PV integration: analysis and implementation.” Proc. of 9th Conference on Industrial Electronics and Applications, ICIEA 2014, Hangzhou, 9-11 June 2014. IEEE, 2014. 666-671.
    39. Zhang, B., Lok, I. K., Dai, N. Y., Wong, M. C., Wong, C. K. “Three-level hybrid active power filter with quasi-resonant DC-link technique in three-phase four-wire system.” Proc. of 1st International Future Energy Electronics Conference (IFEEC), Tainan, 3-6 Nov. 2013. IEEE,2013. 52-57.
    40. Lao, K. W., Wong, M. C., Dai, N. Y., Wong, C. K. “Design of LCL filter for harmonic suppression in co-phase railway power quality conditioner.” Proc. of 1st International Future Energy Electronics Conference (IFEEC), Tainan, 3-6 Nov. 2013. IEEE, 2013. 794-799.
    41. Dai, N. Y., Lao, K. W., Wong, M. C. “A hybrid railway power conditioner for traction power supply system.” Proc. of 28th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 17-21 March 2013. IEEE, 2013. 1326-1331.
    42. Zhang, W. C., Dai, N. Y., Wong, M. C., Wong, C. K. “Capacitive-coupled   grid-connected inverter with active power injection ability.” Proc. of 7th International Power Electronics and Motion Control Conference, IPEMC 2012, Harbin, China, 2-6 June 2012. IEEE, 2012. pp. 1639-1645.
    43. Lao, K. W., Dai, N. Y., Liu, W. G., Wong, M. C. “Modeling and control of railway static power conditioner compensation based on power quality standards.” Proc. of 13th Workshop on Control Modeling for Power Electronics, COMPEL 2012, Kyoto, 10-13 June 2012. IEEE, 2012. 1-6.             
    44. Wen, X., Dai, N. Y., Wong, M. C., Wong, C. K. “Hybrid cascaded multilevel converter for medium-voltage large-capacity applications.” Proc. of 2011 Annual IEEE India Conference, INDICON, Hyderabad, 16-18 Dec. 2011. IEEE, 2011. pp. 1-6.      
    45. Sun, B., Chio, U.F., Lam, C. S., Dai, N. Y., Wong, M. C., Wong, C. K., Sin, S. W., U, S. P., Martins, R. P. . “A FPGA-Based Power Electronics Controller for Hybrid Active Power Filters.” Proc. of 6th IEEE Conference on Industrial Electronics and Applications, ICIEA2011, Beijing, China, 21-23 Jun. 2011. IEEE, 2011. 25-28.        
    46. Dai, N. Y., Wong, M. C. “Design considerations of coupling inductance for active power filters.” The 6th IEEE Conference on Industrial Electronics and Applications (ICIEA2011), Beijing, China, Jun. 2011, pp. 1370-1375.        
    47. Sun, B., Dai, N. Y., Chio, U.F., Wong, M. C., Wong, C. K., Sin, S. W., U, S. P., Martins, R. P. “FPGA-based decoupled double synchronous reference frame PLL for active power filters.” Proc. of 6th IEEE Conference on Industrial Electronics and Applications, ICIEA2011, Beijing, China, 21-23 Jun. 2011. IEEE, 2011. 2145-2150.                 
    48. Cui, X. X., Lam, C. S., Dai, N. Y., Choi, W. H., Wong, M. C. “Study on DC voltage control of hybrid active power filters.” Proc. of 6th IEEE Conference on Industrial Electronics and Applications, ICIEA2011, Beijing, China, 21-23 Jun. 2011. IEEE, 2011.856 – 861. 
    49. Wong, M. C., Lam, C. S., Dai, N. Y. “Comparisons of structure topologies for hybrid filters.” Proc. of 43rd International Universities Power Engineering Conference, UPEC 2008, Padova, Italy, 1-4 Sept. 2008. IEEE, 2008. 1-5.
    50. Dai, N. Y., Lam, C. S., Wong, M. C., Han, Y. D. “Application of 3D direct PWM in parallel power quality compensators in three-phase four-wire systems.” Proc. of IEEE Power Electronics Specialists Conf., PESC 2008, Rhodes, 15-19 June 2008. IEEE, 2008. 3220-3225.
    51. Le, J., Dai, N. Y., Ruan, J. J. “The analysis of
      hysteresis current control strategy of three-phase four-wire shunt APF
      based on the unified topology.” Proc. of 2nd Conference on Industrial Electronics and Application, ICIEA 2007, Harbin, China, 23-25 May 2007. IEEE, 2007. 575-580.
    52. Dai, N. Y., Wong, M. C., Han, Y. D. “Comparison Study of Three-phase Four-wire Active Power Filters.” Proc. of RIUPEEEC2006, Macau, China, 2-4 July 2006.
    53. Dai, N. Y., Wong, M. C., Han, Y. D., Lam, C. S. “A 3-D Generalized Direct PWM for 3-Phase 4-Wire APFs.” Proc. of Industry Application Conference 40th Annual Meeting, 2005, Hong Kong, China, 2-6 Oct. 2005. IEEE, 2005. 1261-1266.
    54. Dai, N. Y., Tai, S. U., Wong, M. C., Han, Y. D. “Parallel power quality compensation in modern buildings.” Proc. of First International Conference on Power Electronics Systems and Applications, 2004, Hong Kong, China, 9-11 Nov. 2004. IEEE, 2004. 54-60.
    55. Dai, N. Y., Wong, M. C., Han, Y. D. “Three-leg center-split inverter controlled by 3DSVM under dc variation.” Proc. of 4th International Power Electronics and Motion Control Conference, IPEMC 2004, Xi’an, China, 14-16 Aug.2004. IEEE, 2004. 1362-1367. 
    56. Wong, M. C., Dai, N. Y., Han, Y. D. “Theoretical Study of 3 Dimensional Hysteresis PWM Techniques.” Proc. of 4th International Power Electronics and Motion Control Conference, IPEMC 2004, Xi’an, China, 14-16 Aug.2004. IEEE, 2004. 1635-1640.
    57. Dai, N. Y., Wong, M. C., Han, Y. D. “Controlling Tri-level Center-Split Power Quality Compensator by 3-Dimensional Space Vector Modulation.” Proc. of Fifth International Conference on Power Electronics and Drive Systems, PEDS 2003, Singapore, 17-20 Nov. 2003. IEEE, 2003.1692-1697.
    58. Wong, M. C., Dai, N. Y., Han, Y. D. “Study of Tri-level Neutral Point Clamped Inverter for 3-phase 3-wire and 3-phase 4-wire applications.” Proc. of Fifth International Conference on Power Electronics and Drive Systems, PEDS 2003, Singapore, 17-20 Nov. 2003. IEEE, 2003. 380-385.
    59. Wong, M. C., Tang, J., Dai, N. Y., Han, Y. D. “Fundamental study of 3 dimensional pulse width modulation.” Proc. of  International Conference on Power System Technology, PowerCon 2002, KunMing, P. R. China, 13-17 Oct. 2002. IEEE, 2002. 560 -564.