2023 2nd International Conference on Power Systems and Electrical Technology (PSET) was successfully held in Milan, Italy during August 25-27, 2023. This conference is sponsored by University of Electronic Science and Technology of China and Beijing CAS Industrial Energy and Environment Technology Institute (BIEET), hosted by Aalborg University, Denmark, with support from Politecnico di Milano, Italy, University of Salerno, Italy, Roma Tre University, Italy, and University of Agder, Norway. PSET 2023 Dinguished Guestes Opening Remarks Prof. Giordano Spadacini, Politecnico di Milano, Italy Keynote Speeches Prof. Marjan Popov, Delft University of Technology, The Netherlands Prof. Vladimir Terzija, Newcastle University, UK Prof. Pablo Arboleya, Universidad de Oviedo, Spain Prof. Zhe Chen, Aalborg University, Denmark Invited Speeches Asst. Prof. Xinglong Wu, Politecnico di Milano, Italy Assoc. Prof. Sohrab Mirsaeidi, Beijing Jiaotong University, China PSET 2023 Best Oral Presentations Session 1 Yaowen Yu, Huazhong University of Science and Technology, China ET2050: Heterogeneous Ensemble Learning to Solve Sub-hourly Unit Commitment Session 2 Kristina Wogatai, University of Klagenfurt Klagenfurt, Austria ET2052: A Graph-Based Approach for Applying Biologically-Inspired Slime Mold Algorithms for Repairing a Power Transmission Network after an Electromagnetic Pulse Attack Jalal Sahebkar Farkhani, Aalborg University, Denmark ET4042: VSC MT-HVDC Fault Identification Based on the VMD-TEO and Artificial Neural Network Session 3 Congbo Wang, China Electric Power Research Institute, China ET5055: Improved Current Differential Protection for AC Transmission Lines of VSC-HVDC System With Offshore Wind Farms Session 4 Hongbin Wang, Guangdong Power Grid Co., China ET5015: A Grid-tied Virtual Synchronous Generator Transient Suppression Method based on Derivatives-Enhanced Power Feedback