- F. Zheng, W. Wu, B. Chen and E. Koutroulis, “An Optimized Parameter Design Method for Passivity-Based Control in a LCL-Filtered Grid-Connected Inverter,” in IEEE Access, vol. 8, pp. 189878-189890, 2020.
- Y. Cheng, W. Wu, H. Chung, F. Blaabjerg, E. Koutroulis and L. Zhu, “Using Kalman Filter to Achieve Online Estimation of Equivalent Grid Impedance and High Bandwidth Control for LCL-Filtered Grid-tied Inverters,” IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020, pp. 4247-4252.
- S. Luo, W. Wu, H. Chung, F. Blaabjerg and E. Koutroulis, “A Novel Third-Harmonic Elimination Method for VOC-Based Three-Phase DC/AC Inverter,” IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020, pp. 3170-3175.
- S. Luo, W. Wu, E. Koutroulis, H. S.-H. Chung and F. Blaabjerg, “A New Virtual Oscillator Control Without Third-Harmonics Injection For DC/AC Inverter,” in IEEE Transactions on Power Electronics, vol. 36, no. 9, pp. 10879-10888, Sept. 2021.
- G. I. Orfanoudakis, E. Koutroulis, G. Foteinopoulos, W. Wu, “Synchronous Reference Frame current control of Aalborg-type PV inverters”, 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), pp. 1-10, 2021.
- G. I. Orfanoudakis, E. Koutroulis, G. Foteinopoulos, “The role of diodes in the leakage current suppression mechanism of decoupling transformerless PV inverter topologies”, 2021 10th International Conference on Modern Circuits and Systems Technologies (MOCAST), pp. 1-4, 2021.
- S. Luo, W. Wu, E. Koutroulis, H. S. -H. Chung and F. Blaabjerg, “A New Unbalanced Voltage Compensation Method Based on HOPF Oscillator for Three-Phase DC/AC Inverters With Unbalanced Loads,” in IEEE Transactions on Smart Grid, vol. 13, no. 6, pp. 4245-4255, Nov. 2022.
- B. Chen, W. Wu, C. Gao, M. Orabi, E. Koutroulis, H. Chung, F. Blaabjerg, “A New Stability Enhancement Method Using KF Estimation for the PWM-SMC-Based Grid-Tied Inverter Under Weak Grid Condition,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 10, no. 6, pp. 6950-6959, Dec. 2022.
- S. Luo, W. Wu, E. Koutroulis, H. S. -H. Chung and F. Blaabjerg, “A New Kalman-Filter-Based Harmonic Current Suppression Method for the Virtual Oscillator Controlled Grid-Tied Inverter,” in IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol. 12, no. 1, pp. 251-259, March 2022.
- H. Wang, W. Wu, J. Zhu, E. Koutroulis, H. S. -H. Chung and F. Blaabjerg, “A Novel Dual Buck and Boost Transformer-Less Single-Phase Grid-Tied Inverter,” in IEEE Transactions on Power Electronics, vol. 37, no. 4, pp. 4211-4224, April 2022.
- Ning Gao, Zhigang Jin, Houqing Wang, Weimin Wu, Eftichis Koutroulis, Henry Shu-Hung Chung, Frede Blaabjerg, “MOSFET-Switch-Based Transformerless Single-Phase Grid-tied Inverter for PV Systems,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 10, no. 4, pp. 3830-3839, Aug. 2022.
- W. Wu, Z. Zhao, E. Koutroulis, H. S. -H. Chung and F. Blaabjerg, “Autoidentification Method of the Trouble Maker(s) for Internal Instability in Multiparalleled Inverters System,” in IEEE Transactions on Industrial Electronics, vol. 69, no. 1, pp. 18-28, Jan. 2022.
- G. I. Orfanoudakis, E. Koutroulis, G. Foteinopoulos and W. Wu, “Evaluation of common-mode leakage current of Aalborg-type transformerless PV inverters,” 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), Hanover, Germany, 2022, pp. 1-10.
- G. I. Orfanoudakis, G. Foteinopoulos, E. Koutroulis and W. Wu, “Design optimization of Aalborg-type transformerless PV inverters with focus on power quality,” 2022 11th International Conference on Modern Circuits and Systems Technologies (MOCAST), Bremen, Germany, pp. 1-5, 2022.
- B. Zhang, W. Wu, Y. Yang, N. Gao, J. Chen, E. G. Koutroulis, H. S.-H. Chung, M. Liserre, F. Blaabjerg, “A Novel Simplified Finite Control Set Repeat Model Predictive Control for Grid-Connected Inverters,” in IEEE Transactions on Industrial Electronics, vol. 70, no. 11, pp. 11324-11333, Nov. 2023.