Riku Akasaka, RYOICHI HARA, Hiroyuki Kita, Shuhei Sugimura, Toshiharu Kurihara. Determination of Estimation Accuracy of Voltage Profiles Required for Proper Voltage Control by On-Load Tap Changer in Distribution Systems. Energies. 2023
Ayaka Nakamura, Ryoichi Hara, Hiroyuki Kita. Variable DC Voltage Threshold-Based Control Considering Emergency Mode-Switching for MTDC System. 2023 IEEE PES Innovative Smart Grid Technologies Latin America (ISGT-LA). 2023
Nobuaki Kawashima, Ryoichi Hara, Hiroyuki Kita, Hideo Ishii. Modeling of A Grid-Following Inverter Considering the relationship between PCC and POC Voltages. 2023 IEEE PES Innovative Smartgrid Techonologies Conference Asia (ISGT Asia). 2023
Nobuaki Kawashima, Ryoichi Hara, Hiroyuki Kita. Model Reduction Method for Distribution System Including Smart Inverters with Grid-Forming Droop Control. 2023 IEEE PES Innovative Smartgrid Technologies Conference Europe (ISGT EUROPE). 2023
ZULU Esau, HARA Ryoichi, KITA Hiroyuki. Utilization of Electric Vehicles and Battery Energy Storage Systems for Enhance- ment of PV Hosting Capacity in a Distribution Network. The International Council on Electrical Engineering (ICEE) Conference 2023. 2023