原 亮一 (ハラ リヨウイチ)

Determination of Estimation Accuracy of Voltage Profiles Required for Proper Voltage Control by On-Load Tap Changer in Distribution Systems
Riku Akasaka,RYOICHI HARA,Hiroyuki Kita,Shuhei Sugimura,Toshiharu Kurihara
Energies 2023年12月 [査読有り]

Variable DC Voltage Threshold-Based Control Considering Emergency Mode-Switching for MTDC System
Ayaka Nakamura,Ryoichi Hara,Hiroyuki Kita
2023 IEEE PES Innovative Smart Grid Technologies Latin America (ISGT-LA) 2023年11月 [査読有り]

Modeling of A Grid-Following Inverter Considering the relationship between PCC and POC Voltages
Nobuaki Kawashima,Ryoichi Hara,Hiroyuki Kita,Hideo Ishii
2023 IEEE PES Innovative Smartgrid Techonologies Conference Asia (ISGT Asia) 2023年11月 [査読有り]

Model Reduction Method for Distribution System Including Smart Inverters with Grid-Forming Droop Control
Nobuaki Kawashima,Ryoichi Hara,Hiroyuki Kita
2023 IEEE PES Innovative Smartgrid Technologies Conference Europe (ISGT EUROPE) 2023年09月 [査読有り]

Utilization of Electric Vehicles and Battery Energy Storage Systems for Enhance- ment of PV Hosting Capacity in a Distribution Network
ZULU Esau,HARA Ryoichi,KITA Hiroyuki
The International Council on Electrical Engineering (ICEE) Conference 2023 2023年07月 [査読有り]

Decoupling Approach for A Unit Commitment Problem with Thermal- and Hydro- Generator Units
Tomoki Takeuchi,Ryoichi Hara,Hiroyuki Kita,Ichiro Toyoshima,Ryota Mizutani
Cigre Cairns 2023 International Symposium 2023年07月 [査読有り]

An Efficient Hybrid Particle Swarm and Gradient Descent Method for the Estimation of the Hosting Capacity of Photovoltaics by Distribution Networks
Esau Zulu,Ryoichi Hara,Hiroyuki Kita
ENERGIES 16(13) 2023年07月 With many distribution networks adopting photovoltaic (PV) generation systems in their networks, the... [査読有り]

太陽光発電とオンサイト蓄電池で構成されるバランシンググループの運用に関する研究—A Study on the Operation of a Balancing Group Consisting of PVs and On-site Storage Batteries
沖 駿吾,原 亮一,北 裕幸,赤塚 元軌
電気学会論文誌. B, 電力・エネルギー部門誌 = IEEJ transactions on power and energy 143(5) 260-269 2023年05月 [査読有り]

A flexible stochastic PV hosting capacity framework considering network over-voltage tolerance
Zulu Esau,Hara Ryoichi,Kita Hiroyuki
Energy Reports 9(1) 529-538 2023年03月 Integration of PV resources in distribution networks has become a world-wide trend. This has been ne... [査読有り]

多層AI分析と品質工学MT法を用いた2次利用蓄電池の高精度迅速性能選別手法の提案
林田淳,白土博康,原亮一
電気学会論文誌 B 143(2) 2023年02月 [査読有り]

電力系統安定化に貢献するマイクログリッド構築 : 需給調整力確保に伴う追加コスト—Microgrid Introduction for Stabilization of Power Grid : Evaluation of an Additional Cost for Procuring Balancing Capacity
喜田 勇志,原 亮一,北 裕幸
電気学会論文誌. B, 電力・エネルギー部門誌 = IEEJ transactions on power and energy 143(2) 157-164 2023年02月 [査読有り]

APPLICABILITY OF VITAL DATA COLLECTED FROM A NON-CONTACT SENSOR FOR ESTIMATING AN INDIVIDUAL COW’S METHANE EMISSION WITH A LASER METHANE DETECTOR
Samuel Kinari SAGA,Shiho ISHIKAWA,Tomohiro MITANI,Shigeru MORITA,Ryoichi HARA,Takayuki TANAKA,Michio KOMIYA,Kazuei ISHII,Satoru OCHIAI,Geun-Yong HAM
Journal of JSCE 11(2) 1-9 2023年 [査読有り]

MaaSと融合したマイクログリッド間の広域連携マネジメントと経済メリット—Management and Economic Merits of Wide-area Cooperation among Microgrids Coupled with MaaS
李 一達,原 亮一,北 裕幸
電気学会論文誌. B, 電力・エネルギー部門誌 = IEEJ transactions on power and energy 142(11) 552-560 2022年11月 [査読有り]

Impact of sector-coupling in microgrid to residual electricity demand properties
Yushi Kida,Ryoichi Hara,Hiroyuki Kita
ELECTRIC POWER SYSTEMS RESEARCH 211 2022年10月 This paper discusses how the contribution of microgrid (MG) introduction to the power grid depends o... [査読有り]

路面電車電力線-PV直流集電システムの経済性試算における考察期間の影響
川野 温輝,下町 健太朗,三島 裕樹,北條 昌秀,原 亮一,北 裕幸
電気学会論文誌Ｂ（電力・エネルギー部門誌） 142(9) 433-440 2022年09月 In Japan, the introduction of photovoltaic systems, one of a renewable energy sources, has been enco... [査読有り]

Merit evaluation of peer-to-peer electricity trading between prosumers
Tomoya Odashiro,Ryoichi Hara,Hiroyuki Kita
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 17(6) 908-916 2022年06月 The enforcement of a feed-in tariff (FIT) program in Japan has increased the number of installations... [査読有り]

出力制御の削減を目的としたPVと蓄電池で構成されるVPPの計画運転手法の提案
沖 駿吾,赤塚 元軌,原 亮一,北 裕幸
電気学会論文誌Ｂ（電力・エネルギー部門誌） 142(2) 91-97 2022年02月 The renewable energy resources such as the photovoltaic generation and the wind turbine generation a... [査読有り]

24 h-ahead wind speed forecasting using CEEMD-PE and ACO-GA-based deep learning neural network
Zhuoyi Liu,Ryoichi Hara,Hiroyuki Kita
JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY 13(4) 2021年07月 Given the fluctuations in wind speed, wind power is always accompanied by uncertainty. An accurate f... [査読有り]

Two stage operation scheme for a microgrid including hydrogen production as a part of demand
Yushi Kida,Ryoichi Hara,Hiroyuki Kita,Yuji Koguma,Akinobu Inamura,Kenichi Hamaguchi
Electrical Engineering in Japan 214(2) 2021年06月 The authors focus on a microgrid (MG) including hydrogen production processes as a part of demand. T... [査読有り]

状態推定を用いた配電系統の電圧分布推定
赤坂 莉空,原 亮一,北 裕幸,田邊 隆之,杉村 修平
電気学会論文誌Ｂ 141(6) 440-447 2021年06月

In distribution systems, a large amount of photovoltaic systems (PVs) is being introduced, which ... [査読有り]

Hybrid forecasting system based on data area division and deep learning neural network for short-term wind speed forecasting
Zhuoyi Liu,Ryoichi Hara,Hiroyuki Kita
ENERGY CONVERSION AND MANAGEMENT 238 2021年06月 Wind speed forecasting is essential for the dispatch, controllability, and stability of power grids,... [査読有り]

Load Response of Biogas CHP Systems in a Power Grid
Shiho ISHIKAWA,Nicholas O. Connell,Raphael Lechner,Ryoichi HARA,Hiroyuki KITA,Markus Brautsch
Renewable Energy 170 12-26 2021年06月 [査読有り]

周波数・有効電力制御機能を有するスマートインバータ群の縮約手法
川島伸明,原亮一,北裕幸
電気学会論文誌 B 141(4) 2021年04月 [査読有り]

最適確率潮流計算を用いたオフグリッド運用計画手法 -短周期変動を考慮した運用手法の開発-
大澤拓門,原亮一,北裕幸,泰間智也,馬渕裕之,庄司智昭,吉永淳
電気学会論文誌 B 141(2) 2021年02月 [査読有り]

水素製造プロセスを需要として含むマイクログリッドの2段階運用手法
喜田勇志,原亮一,北 裕幸,小熊祐司,稲村彰信,濱口謙一
電気学会論文誌Ｂ 141(2) 113-120 2021年02月 [査読有り]

Evaluation of Economic Merits of Peer to Peer Electricity Transactions
Tomoya Odashiro,Ryoichi Hara,Hiroyuki Kita
2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) 324-328 2020年10月 [査読有り]

需給調整に貢献するコージェネレーションシステムの設備設計に関する検討
中村勇太,原亮一,北裕幸,武田清賢
電気学会論文誌B 140(3) 219-228 2020年03月

Recent growth of renewable energy (RE) generations with natural variability, would make the deman... [査読有り]

Fuel cell and Electrolyzer System for Supply and Demand Balancing in DC
Kentarho Shimomachi,Yuji Mishima,Ryoichi Hara,Hiroyuki Kita
The 3rd IEEE International Conference on DC Microgrids (ICDCM2019) 2019年05月 [査読有り]

Optimal operation of cogeneration system coordinated by aggregator for providing the demand and supply regulation capacity
Yuta Nakamura,Ryoichi Hara,Hiroyuki Kita,Kiyotaka Takeda
ELECTRICAL ENGINEERING IN JAPAN 207(3) 23-34 2019年05月 Recent growth of renewable energy generations with natural variability, such as photovoltaic generat... [査読有り]

Performance evaluation based on long-term operation results of biogas plant for livestock manure management
Shiho Ishikawa,Kazunori Iwabuchi,Keiji Takahashi,Ryoichi Hara,Hiroyuki Kita
Engineering in Agriculture, Environment and Food 12(2) 155-161 2019年04月 © 2018 Asian Agricultural and Biological Engineering Association In this study, we report the long t... [査読有り]

需給調整力提供を目的としたアグリゲータにより統括されるコージェネレーションシステムの最適運用
中村勇太,原亮一,北裕幸,武田清賢
電気学会論文誌 B 139(2) 56‐65(J‐STAGE)-65 2019年01月 © 2019 The Institute of Electrical Engineers of Japan. Recent growth of renewable energy (RE) genera... [査読有り]

Voltage Regulation Utilizing Electric Vehicle Rapid Chargers in a Distribution System
Yuta Nakamura,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
ELECTRICAL ENGINEERING IN JAPAN 204(3) 21-30 2018年08月 From growing interests in the environment issues, promotion of photovoltaic power generation (PV) is... [査読有り]

Equivalent Energy Storage Capability of Combined Heat Pump and Biogas Engine Generator System
Ryoichi Hara,Hiroyuki Kita,Shiho Ishikawa
2018 Power Systems Computation Conference (PSCC) 2018年06月 [査読有り]

Optimal daily schedule of reconfiguration of distribution system with interconnected photovoltaic generators
Zheng Huang,Ryoichi Hara,Hiroyuki Kita
IEEJ Transactions on Electrical and Electronic Engineering 13(2) 262-270 2018年02月 Network reconfiguration results in voltage deviations because of the time-varying nature of loads. N... [査読有り]

配電系統における電気自動車用急速充電器を用いた電圧制御
中村 勇太,原 亮一,北 裕幸,田中 英一
電気学会論文誌. B, 電力・エネルギー部門誌 138(2) 107-115 2018年02月

From growing interests in the environment issues, promotion of photovoltaic power generation (PV)... [査読有り]

Optimal WAMS hybrid configuration for voltage stability monitoring application considering the existence of conventional measurement
Lesnanto M. Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 13(1) 65-75 2018年01月 The supervisory control and data acquisition (SCADA) system is used in power systems worldwide becau... [査読有り]

HP/BG併用熱供給システムを用いた風力発電の計画発電手法
原 亮一,北 裕幸,石川 志保,平瀬 貴之
電気学会論文誌． Ｂ 138(6) 521-528 2018年

Recently, a large number of renewable energy (RE) sources such as wind farms (WFs), photovoltaic ... [査読有り]

Extended Flow Algorithm for Online Reconfiguration of Large-Scale Distribution System with Interconnected Distributed Generators
Zheng Huang,Ryoichi Hara,Hiroyuki Kita,Kazunari Ishibashi,Hirokazu Ito,Tsuneyo Sano
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 12(6) 850-860 2017年11月 The interconnection of distributed generators (DGs) in a power system increases the difficulty of ma... [査読有り]

Centralized residential load scheduling with consideration of voltage control in future distribution system
Qiagnqinag Xie,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2017 2nd International Conference on Power and Renewable Energy (ICPRE) 301-305 2017年09月 In recent years, rooftop photovoltaic (PV) power generation, electric vehicle (EV) are developing qu... [査読有り]

Coordinated control of OLTC and multi-CEMSs for overvoltage prevention in power distribution system
Qiangqiang Xie,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 12(5) 692-701 2017年09月 The high degree of penetration of residential rooftop photovoltaic systems causes the overvoltage pr... [査読有り]

ワイブル分布に基づく風速の地点換算と高さ換算を含む模擬的な風力発電出力データの作成方法
赤塚元軌,上田茂太,原亮一,北裕幸
電気学会論文誌 B 137(8) 573-580 2017年08月 Computational simulation is essential to evaluate the impact wind turbine penetration on the demand ... [査読有り]

Proposal of Fair and Effective Curtailment Allocation for Renewable Energy Generations
Reita Kitakaze,Hara Ryoichi,Kita Hiroyuki,Eiichi Tanaka
Proceedings of International Conference on Electric Engineering (ICEE) 2017 2017年07月 [査読有り]

Fluctuation Suppression for Renewable Energy Generation by Cooperating of Partial Curtailment Control and Battery Energy Storage System
Yuto Morishita,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Proceedings of International Conference on Electric Engineering (ICEE) 2017 2017年07月 [査読有り]

Study on Voltage Regulation Utilizing EV Rapid Chargers in Distribution System - Design of Voltage Dead-band for Long-term Control
Yuta Nakamura,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Proceedings of International Conference on Electric Engineering (ICEE) 2017 2017年07月 [査読有り]

Determination of the optimal DR capacity for a commercial building with chiller system and energy storage system
Joonho Son,Ryoichi Hara,Hiroyuki Kita
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING 12(4) 536-545 2017年07月 Demand response (DR), which is used to shave the peak demand for securing supply reliability in a po... [査読有り]

HP/BG併用熱供給システムによる風力発電出力変動抑制の検討
濱本篤志,原亮一,北裕幸
電気学会論文誌 B 137(6) 446-452 2017年06月 The output fluctuation of renewable energy generation may disturb the stable power system operation.... [査読有り]

デマンド契約下における自家用発電設備のファジィPI制御に関する基礎的検討
遠山篤,田中英一,原亮一,北裕幸
電気学会論文誌 B 137(2) 124-131 2017年02月 This paper focuses on the minimization of energy costs for a factory with a non-utility generation f... [査読有り]

Multistage preventive scheme for improving voltage stability and security in an integrated renewable energy system
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
IEEJ Transactions on Power and Energy 137(1) 59-70 2017年 The trend of renewable energy integration, power system size and complexity growth, occurrence of li... [査読有り]

A real-time cooperative overvoltage prevention control by a community energy management system
Qiangqiang Xie,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Journal of International Council on Electrical Engineering 6(1) 224-230 2016年11月

Long-Term Extended Flow Algorithm for Reconfiguration on Dynamic Distribution Systems
Zheng Huange,Ryoichi Hara,Hiroyuki Kita
Proc. of International Conference on Electric Engineering (ICEE) 2016 2016年07月 [査読有り]

Study on Voltage Regulation Utilizing EV Rapid Charger in Distribution System
Yuta Nakamura,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Proc. of International Conference on Electric Engineering (ICEE) 2016 2016年07月 [査読有り]

Evaluation of the Procurement Cost of Reserved Capacity by Co-generation System
Kazuma Sawada,Ryoichi Hara,Hiroyuki Kita,Makoto Yokogawa,Kiyotaka Takeda
International Conference on Electric Engineering (ICEE) 2016 2016年07月

Combination Use of Energy Storage Systems and Electric Vehicles for Voltage Management in Distribution Network
Ryohei Koizumi,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Proc. of International Conference on Electric Engineering (ICEE) 2016 2016年07月 [査読有り]

WAMS Hybrid Configuration for Real Time Voltage Stability Monitoring Application
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2016 17TH INTERNATIONAL SCIENTIFIC CONFERENCE ON ELECTRIC POWER ENGINEERING (EPE) 108-113 2016年05月 Wide Area Monitoring System (WAMS) with Phasor Measurement Unit (PMU) has the capability to do real ... [査読有り]

Series PMU Data-based State Estimation Technique for WAMS Application
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2016 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING (PESGM) 2016年05月 In a modern transmission system, wide area monitoring system (WAMS), which is capable to perform rea... [査読有り]

Electricity supply characteristics of a biogas power generation system adjacent to a livestock barn
Shiho Ishikawa,Kazunori Iwabuchi,Michio Komiya,Ryoichi Hara,Jun Takano
Engineering in Agriculture, Environment and Food 9(2) 165-170 2016年04月 In order to consider the potential for electricity supply from a biogas power generation system (BGP... [査読有り]

オフィス用マイクログリッドにおけるEMS開発
下町健太朗,岩見俊幸,原亮一,北裕幸,則竹政俊,星秀和,廣瀬圭一
電気学会論文誌Ｂ 136(4) 373-381 2016年04月 The concept of microgrid (MG), which can integrate a number of distributed generators and realize hi... [査読有り]

Real-Time Overvoltage Prevention Control via Multiagent based Community Energy Management Systems
Qiangqiang Xie,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2016 IEEE PES INNOVATIVE SMART GRID TECHNOLOGIES CONFERENCE EUROPE (ISGT-EUROPE) 1-6 2016年 High degree penetration of residential rooftop Photovoltaic (PV)systems will cause the overvoltage p... [査読有り]

Hybrid Computation Approach for SCOPF Considering Voltage Stability and Penetration of Renewable Enegy
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2016 POWER SYSTEMS COMPUTATION CONFERENCE (PSCC) 1-7 2016年 for stable operation of power system, preventive control based on security constraint optimal power ... [査読有り]

A Real-Time Cooperative Overvoltage Prevention Control by A Community Energy Management System
Qiangqiang Xie,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
Proc. of International Conference on Electrical Engineering (ICEE2015) 2015年07月 [査読有り]

太陽光・風力発電に併設される複数の蓄電池・バイオガス発電の協調制御と必要容量評価
真鍋勇介,田路和久,細田駿,原亮一,北裕幸,滝谷克幸,山口浩司,田邊隆之,石川志保,大村剛宏
電気学会論文誌 B 135(6) 362-371 2015年06月 In this paper, a cooperative control of three energy storage systems (ESSs) and biogas generation fo...

Electricity Supply Characteristics of a Biogas Power Generation System Adjacent to a Livestock Barn
Kazunori Iwacuchi,Shiho Ishikawa,Michio Komiya,Ryoichi Hara,Jun Takano
International Scientific XXXVI CIOSTA & CIGR Section V Conference 2015年05月 [査読有り]

The Tianjin 2014 Symposium on Microgrids
Chirs Marnay,Benjamin Kroposki,Meiqin Mao,Honghua Xu,Alex Chong,Se-Kyo Chung,Ryoichi Hara,Toshifumi Ise,Reza Iravani,Farid Kathraei,Mihaela Albu,Nikos Hatziagyriou,Toshihisa Funabashi,Jim Reilly,Johan Driesen,Guillermo Jimenez,Xavier Vallve
IEEE Electrification Magazine 2015年03月

The Demonstration of the CO2 Reduction Effect of 400V Class DC Micro Grid for Offices
M. Noritake,K. Yuasa,T. Takeda,K. Shimomachi,R. Hara,H. Kita,T. Matsumura
2015 IEEE INTERNATIONAL TELECOMMUNICATIONS ENERGY CONFERENCE (INTELEC) 2015年 This paper reports the experimental study of a 400 V class DC microgrid for an office building that ... [査読有り]

Experimental study of a 400 V Class DC Microgrid for Commercial Buildings
M. Noritake,K. Yuasa,T. Takeda,K. Shimomachi,R. Hara,H. Kita,T. Matsumura
2015 9TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE-ECCE ASIA) 1730-1735 2015年 This paper reports the experimental study of a 400 V class DC microgrid for an office building that ... [査読有り]

Risk-based voltage stability monitoring and preventive control using wide area monitoring system
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2015 IEEE EINDHOVEN POWERTECH 2015年 nowadays, power system tends to be operated in heavily stressed load, which can cause voltage stabil... [査読有り]

Operation Scheduling considering Demand Response in a Commercial Building with Chiller System and Energy Storage System
Joonho Son,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2015 IEEE PES ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) 2015年 Demand response (DR), is one of attractive options for the end-users such as commercial buildings (C...

A Study on Compensating Voltage Drop in Distribution Systems due to Nighttime Simultaneous Charging of Electric Vehicles Utilizing Charging Power Adjustment and Reactive Power Injection
Yuki Mitsukuri,Ryoichi Hara,Hiroyuki Kita,Eiji Kamiya,Shoji Taki,Naoya Hiraiwa,Eiji Kogure
ELECTRICAL ENGINEERING IN JAPAN 189(4) 9-21 2014年12月 To reduce the environment load, electric vehicles (EV) have been attracting attention and expectatio... [査読有り]

Study on EMS for DC Microgrid for Office Building - Study on Real-time Operation -
Toshiyuki Iwami,Ryoichi Hara,Hiroyuki Kita,Masatoshi Noritake,Hidekazu Hoshi,Keiichi Hirose
Proc. of 20th International Conference on Electrical Engineering (ICEE2014) 2014年06月 [査読有り]

A Study of a New Algorithm for Online Reconfiguration of Distribution System with Interconnection of Distributed Generators
Zheng Huang,Ryoichi Hara,Hiroyuki Kita
20th International Conference on Electrical Engineering (ICEE2014) 2014年06月 [査読有り]

Static and Dynamic Characteristic Models of Global Solar Radiation Fluctuation in the Scope of Load Frequency Control
Motoki Akatsuka,Ryoichi Hara,Hiroyuki Kita,Katsuyuki Takitani,Masami Saito
Electrical Engineering in Japan 186(2) 10-20 2014年01月

Intelligent Flow Algorithm for Online Reconfiguration of Distribution System
Zheng Huang,Ryoichi Hara,Hiroyuki Kita
Journal of International Council on Electrical Engineering 4(1) 16-22 2014年01月

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
2014 POWER SYSTEMS COMPUTATION CONFERENCE (PSCC) 1-7 2014年 The Ministry of the Environment of Japan is promoting a demonstration project named "wide-area opera... [査読有り]

Development of Energy Management System for DC Microgrid for Office Building -Day Ahead Operation Scheduling Considering Weather Scenarios-
Kentaro Shimomachi,Masatoshi Noritake,Ryoichi Hara,Hidekazu Hoshi,Hiroyuki Kita,Keiichi Hirose
2014 POWER SYSTEMS COMPUTATION CONFERENCE (PSCC) 1-6 2014年 In recent years, distributed generators (DG) with renewable energy (RE) are introduced to electric p... [査読有り]

Energy Management Considering Demand Response Resource in Commercial Building with Chiller System and Energy Storage Systems
Joonho Son,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2014 INTERNATIONAL CONFERENCE ON POWER ENGINEERING AND RENEWABLE ENERGY (ICPERE) 96-101 2014年 One of the promising contributions from end-users such as commercial buildings (CBs), residences and... [査読有り]

Voltage Stability-based PMU Placement Considering N-1 Line Contingency and Power System Reliability
Lesnanto Multa Putranto,Ryoichi Hara,Hiroyuki Kita,Eiichi Tanaka
2014 INTERNATIONAL CONFERENCE ON POWER ENGINEERING AND RENEWABLE ENERGY (ICPERE) 120-125 2014年 New PMU placement algorithm considering network connectivity, zero injection bus, reliability of N-1... [査読有り]

間欠性電源の大量導入に対応した状態列挙法による2地域系統の供給信頼度評価手法
真鍋 勇介,原 亮一,北 裕幸,田中 英一
電気学会論文誌. B 134(4) 328-335 2014年 This paper proposes a new reliability assessment method for two control areas interconnected by a ti... [査読有り]

Study of Economic System at Compensation for Voltage Drop Utilizing Charging Power Adjustment of Electric Vehicles
Yuta Nakamura,Yuki Mitsukuri,Masaru Iguchi,Yuji Mishima,Ryoichi Hara,Hiroyuki Kita
2014 IEEE PES ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (IEEE PES APPEEC) 2014年 A surge of needs for the low carbon society promotes a spread of electric vehicle (EV). EVs could be... [査読有り]

単地点での日射量時系列に基づく10km四方内の空間平均日射量時系列の生成および変動幅出現頻度による評価
赤塚元軌,原亮一,北裕幸,福島知之,坂原淳史,松本孝俊
電気学会論文誌 B 134(4) 311-319 2014年 Currently, the installed capacity of photovoltaic generations (PV) is rapidly growing from perspecti...

Operation algorithm of DC microgrid for achieving local production for local consumption of renewable energy
Masatoshi Noritake,Hidekazu Hoshi,Keiichi Hirose,Hiroyuki Kita,Ryoichi Hara,Masak Yagami
35th International Telecommunications Energy Conference 'SMART POWER AND EFFICIENCY' (Intelec 2013) 2013年10月 [査読有り]

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
2013 4th IEEE/PES Innovative Smart Grid Technologies Europe, ISGT Europe 2013 1-5 2013年10月 The Ministry of the Environment of Japan has promoted the demonstration project named 'wide-area ope... [査読有り]

Intelligent Flow Algorithm for Online Reconfigtration of Distribution System
Zheng Huang,Ryoichi Hara,Hiroyuki Kita
Proc. of International Conference on Electrical Engineering (ICEE) 58-63 2013年07月 [査読有り]

Study on Voltage Regulation in Distribution System Using Electric Vehicles - Control Method Considering Dynamic Behavior -
Yuki Mitsukuri,Ryoichi Hara,Hiroyuki Kita,Keiichi Watanabe,Kenjiro Mori,Yasuhiro Kataoka,Eiji Kogure,Yuji Mishima
Proc. of the International Conference on Electrical Engineering 2013, No.FP0196 2013年07月 [査読有り]

Study on Voltage Regulation in a Distribution System Using Electric Vehicles -Characteristic of Coordinated Control -
Yuta Nakamura,Yuki Mitsukuri,Yuji Mishima,Ryoichi Hara,Hiroyuki Kita,Keiichi Watanabe,Kenjiro Mori,Yasuhiro Kataoka,Eiji Kogure
Proc. of Cigre SC/C6 Colloquium 169-174 2013年06月 [査読有り]

Study on Voltage Regulation in a Distribution System Using Electric Vehicles—Optimal Real and Reactive Power Dispatch by Centralized Control
Yuki Mitsukuri,Ryoichi Hara,Hiroyuki Kita,Eiji Kamiya,Shoji Taki,Eiji Kogure
Journal of International Council on Electrical Engineering 3(2) 134-140 2013年04月 [査読有り]

電気自動車の充電調整と無効電力注入による夜間一斉充電時の配電系統電圧低下補償に関する研究
三栗 祐己,原 亮一,北 裕幸,神谷 英志,滝 祥治,平岩 直哉,小暮 英二
電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 133(2) 157-166 2013年02月 To realize reduction in environment load, electric vehicles (EV) have been attracting great attentio... [査読有り]

調査研究委員会レポート：不確実性を有する需給変動に係わる時系列データの解析技術調査専門委員会
北 裕幸,原 亮一,小杉 成史,藤田 利和
電気学会論文誌. B 133(10) NL10_5-NL10_5 2013年

再生可能エネルギー発電の大量導入と供給信頼度を考慮した電源開発計画
真鍋 勇介,原 亮一,北 裕幸
電気学会論文誌. B 133(6) 505-514 2013年 In the future, renewable energy (RE) generation systems will be constructed and interconnected to th... [査読有り]

The Analysis of Output from PV Power Station to Estimate Generation Reserve for Frequency Regulation
Motoki Akatsuka,Ryoichi Hara,Hiroyuki Kita,Katsuyuki Takitani,Koji Yamaguchi
Journal of International Council on Electrical Engineering 2(4) 351-357 2012年10月 [査読有り]

A Study on Adequate Level of Generation Reserve Margin Based on Stochastic Evaluation of Operational Cost with Large Penetration of Photovoltaic Generations
Masaru Asada,Ryoichi Hara,Hiroyuki Kita
Journal of International Council on Electrical Engineering 2(4) 370-376 2012年10月 [査読有り]

Analysis of Spatial Smoothing Effect of Short-Term Fluctuation of Global Solar Radiation Based on Data Including Quantization Error
Yosuke Ue,Ryoichi Hara,Hiroyuki Kita,Yutaka Saito,Katsuyuki Takitani,Masami Saito
ELECTRICAL ENGINEERING IN JAPAN 180(3) 55-63 2012年08月 Photovoltaic (PV) systems are attracting attention as one of the promising countermeasures against g... [査読有り]

Generation Expansion Planning Considering Mass Penetration of Renewable Energy Generation and Supply Reliability
Yusuke Manabe,Ryoichi Hara,Hiroyuki Kita
Proc. of International Conference on Electrical Engineering (ICEE 2012) 2012年07月 [査読有り]

Study on Voltage Regulation in a Distribution System Using Electric Vehicles - Optimal Real and Reactive Power Dispatch by Centralized Control -
Yuki Mitsukuri,Ryoichi Hara,Hiroyuki Kita,Eiji Kamiya,Shoji Taki,Eiji Kogure
Proc. of International Conference on Electrical Engineering (ICEE 2012) 2012年07月 [査読有り]

Study on Fault and Isolated Condition in Two Circuit Configurations of PV-ESS Hybrid System
Myo Htaik,Ryoichi Hara,Hiroyuki Kita
ISRN Renewable Energy 2012 1-11 2012年04月 [査読有り]

負荷周波数制御の領域における全天日射量短周期変動の静的・動的特性のモデル化
赤塚 元軌,原 亮一,北 裕幸,滝谷 克幸,齋藤 正美
電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 132(7) 629-638 2012年 Penetration of photovoltaic generation (PV) system into the power system may give some negative impa...

不確実性と投資選択の多様性を考慮した電源開発計画シミュレーション
真鍋 勇介,原 亮一,北 裕幸
電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 132(9) 1-779 2012年 This paper proposes a new simulation tool for generation expansion planning (GEP) considering variet...

センサ付開閉器の負荷情報を活用した配電系統のオンライン構成変更
石谷卓也,原亮一,北裕幸,小暮英二,三栗祐己,神谷英志
電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 132(10) 853-861 2012年 Distributed generators (DGs) would be installed in distribution systems. Penetration of DGs may brin... [査読有り]

配電系統における潮流情報を用いた負荷量とPV出力のオンライン推定
安永章人,原亮一,北裕幸,田中英一
電気学会論文誌. B, 電力・エネルギー部門誌 = The transactions of the Institute of Electrical Engineers of Japan. B, A publication of Power and Energy Society 132(12) 942-951 2012年 In service restoration against a fault in distribution system, estimation of load flow is needed to ... [査読有り]

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
2012 3RD IEEE PES INNOVATIVE SMART GRID TECHNOLOGIES EUROPE (ISGT EUROPE) 1-7 2012年 A surge of needs for the low carbon society promotes a spread of electric vehicle (EV). EVs could be... [査読有り]

Voltage Regulation in Distribution System Utilizing Electric Vehicles and Communication
Yuki Mitsukuri,Ryoichi Hara,Hiroyuki Kita,Eiji Kamiya,Naoya Hiraiwa,Eiji Kogure
2012 IEEE PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION (T&D) 2012年 Challenges for the low carbon society has brought a spread of electric vehicles (EVs). Most of EVs c... [査読有り]