Validation of voltage regulation method in distribution system utilizing electric vehicles. - Yuki Mitsukuri; Ryoichi Hara; Hiroyuki Kita; Eiji Kamiya; Yasuhiro Kataoka; Shoji Taki; Eiji Kogure (ISGT Europe, 2012)

Cooperation of energy storage systems and biogas generator for stabilization of renewable energy power plants. - Yusuke Manabe; Ryoichi Hara; Hiroyuki Kita; Katsuyuki Takitani; Takayuki Tanabe; Shiho Ishikawa; Takahiro Oomura (ISGT Europe, 2013)

Cooperative control of energy storage systems and biogas generator for multiple renewable energy power plants. - Yusuke Manabe; Ryoichi Hara; Hiroyuki Kita; Katsuyuki Takitani; Koji Yamaguchi; Takayuki Tanabe; Shiho Ishikawa; Takahiro Oomura (PSCC, 2014)

Development of energy management system for DC microgrid for office building: -Day Ahead operation scheduling considering weather scenarios-. - Kentaro Shimomachi; Ryoichi Hara; Hiroyuki Kita; Masatoshi Noritake; Hidekazu Hoshi; Keiichi Hirose (PSCC, 2014)

Real-time overvoltage prevention control via multi-agent based community energy management systems. - Qiangqiang Xie; Ryoichi Hara; Hiroyuki Kita; Eiichi Tanaka (ISGT Europe, 2016)

Hybrid computation approach for SCOPF considering voltage stability and penetration of renewable enegy. - Lesnanto Multa Putranto; Ryoichi Hara; Hiroyuki Kita; Eiichi Tanaka (PSCC, 2016)

Evaluation of Economic Merits of Peer to Peer Electricity Transactions. - Tomoya Odashiro; Ryoichi Hara; Hiroyuki Kita (ISGT-Europe, 2020)

Modeling of A Grid-Following Inverter Considering the relationship between PCC and POC Voltages. - Nobuaki Kawashima; Ryoichi Hara; Hiroyuki Kita; Hideo Ishii (ISGT Asia, 2023)

Model Reduction Method for Distribution System Including Smart Inverters with Grid-Forming Droop Control. - Nobuaki Kawashima; Ryoichi Hara; Hiroyuki Kita (ISGT EUROPE, 2023)

Comparative Study of Frequency Support Functions of IBRs for Bulk Power System Frequency Stability. - Nobuaki Kawashima; Ryoichi Hara; Hiroyuki Kita (ISGT EUROPE, 2024)