藤田 吾郎

研究成果

年別の研究成果 1994 1997 2000 2002 2006 2007 2008 2009 2010 2011 2012 2013 2014 2017 2018 2022 2023

• 165 Article
• 86 Conference contribution
• 11 Paper
• 3 Conference article
• 1 その他
  • 1 Review article

年別の研究成果

年別の研究成果

検索結果

• Article

  Discussion on Operation of FACTS Device Regarding Mode Controllability

  Nakao, S., Fujita, G., Shirai, G., Yokoyama, R. & Chen, W., 2006 7月 1, In: International Conference on Electrical Engineering (ICEE) 2006.

  研究成果: Article › 査読

• Discussion on Power System Management

  G.Fujita, G. F. & Fujita, G., 2010 2月 1, In: The 4th South East Asian Technical University Consortium (SEATUC) Symposium.

  研究成果: Article › 査読

• Discussion on reduction of power fluctuation by distributed generation in micro grid

  Shinji, T., Sekine, T., Kashiwagi, T., Akisawa, A., Fujita, G. & Matsubara, M., 2006 10月 16, In: IEEJ Transactions on Power and Energy. 126, 1, p. 14-20+2

  研究成果: Article › 査読

  • Distributed power generation 100%
  • Renewable energy resources 79%
  • Gas turbines 34%
  • Wind power 34%
  • Frequency stability 25%
  30 被引用数 (Scopus)

• Discussion On Unbalance Condition Of Protective Relay Malfunction

  Mineo, T., Mitsuoka, K., Saito, M., Fujita, G., Hirikoshi, K. & Sanada, T., 2012 3月 1, In: 6TH South East Asian Technical University Consortium Symposium (SEATUC).

  研究成果: Article › 査読

• Distribution Network Loss Minimization via Simultaneous Distributed Generation Coordination with Network Reconfiguration

  Muhtazaruddin, M. N., Jamian, J. J., Fujita, G., Baharudin, M. A., Wazir, M. W. & Mokhlis, H., 2014 6月, In: Arabian Journal for Science and Engineering. 39, 6, p. 4923-4933 11 p.

  研究成果: Article › 査読

  • Distributed power generation 100%
  • Electric power distribution 89%
  • Immune system 17%
  • Switches 10%
  • Topology 9%
  13 被引用数 (Scopus)

• Doubly-Fed Rotary Frequency Converter for Power Supply and Demand Control

  Nakamura, A., Ono, T., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2005 9月 1, In: International Universities Power Engineering Conference (UPEC 2005).

  研究成果: Article › 査読

• Dynamic Voltage Restorer as Series Active Filter for Unbalanced Load

  Tung, N. X., Fujita, G. & Horikoshi, K., 2009 9月 1, In: The 2009 ASEAN Symposium on Power and Energy Systems (EEE.RC.ASPES 2009).

  研究成果: Article › 査読

• Economic Assessment of Power Grid Development Using Artificial Bee Colony Algorithm

  Afandi, A. N., Wibawa, A. P., Patmantara, S., Fujita, G., Hani, S. & Sulistyowati, Y., 2022 1月 17, In: Periodica polytechnica Electrical engineering and computer science. 66, 1, p. 72-79 8 p.

  研究成果: Article › 査読

  Open Access

  • Electric power systems 100%
  • Economics 76%
  • Electricity 65%
  • Costs 45%
  • Sales 28%

• Effect of Negative-sequence Current Generation in Islanding Detection and Unbalanced Fault Ride-through

  Tuyen, N. D., Fujita, G., Funabashi, T. & Nomura, M., 2011 8月 1, In: Default journal. p. 16-22

  研究成果: Article › 査読

• Effects of virtual resistor in power electronic converter on subsynchronous oscillation damping

  Rizqiawan, A., Fujita, G., Funabashi, T. & Nomura, M., 2011 11月, In: IEEJ Transactions on Electrical and Electronic Engineering. 6, 6, p. 540-546 7 p.

  研究成果: Article › 査読

  • Resistors 100%
  • Power electronics 99%
  • Damping 78%
  • Acoustic impedance 75%
  • Turbogenerators 45%
  5 被引用数 (Scopus)

• Eigenvalue Analysis in TCSC Design for Oscillation Control

  Yoshihara, S., Shirai, G., Fujita, G. & Yokoyama, R., 2003 9月 1, In: The 3rd IASTED International Conference on Power and Energy Systems.

  研究成果: Article › 査読

• Electric Licenced Engineer and School Education

  Fujita, G. & Nakamura, A., 2006, In: Journal of the Institute of Electrical Engineers of Japan. 126, 6, p. 382-385 4 p.

  研究成果: Article › 査読

• Estimated impedance islanding detection method for grids with high motor penetration

  Duc Tuyen, N., Fujita, G., Funabashi, T. & Nomura, M., 2013 9月, In: IEEJ Transactions on Electrical and Electronic Engineering. 8, 5, p. 446-455 10 p.

  研究成果: Article › 査読

  • Acoustic impedance 100%
  • Induction motors 41%
  • Experiments 16%
  1 被引用数 (Scopus)

• Estimation of power outage size based on the dominating differential equation

  Fujita, G. & Shirai, G., 1997 1月 1, In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 118, 3, p. 39-49 11 p.

  研究成果: Article › 査読

  • Outages 100%
  • Differential equations 95%

• Estimation of Unmeasured Room Temperature, Relative Humidity, and CO₂ Concentrations for a Smart Building Using Machine Learning and Exploratory Data Analysis

  Kaligambe, A., Fujita, G. & Keisuke, T., 2022 6月 1, In: Energies. 15, 12, 4213.

  研究成果: Article › 査読

  Open Access

  • Relative Humidity 100%
  • Exploratory Data Analysis 80%
  • Intelligent buildings 71%
  • Sensor 68%
  • Machine Learning 64%
  3 被引用数 (Scopus)

• Etailed Model for Heavy-duty Vehicle Power System

  R.Nishimura, R. N., R.Ochiai, R. O., N.Nagashima, N. N., G.Fujita, G. F., T.Fukada, T. F. & Fujita, G., 2007 7月 1, In: International Conference on Electrical Engineering 2007.

  研究成果: Article › 査読

• Evaluate Detection Methods for Anti-Islanding of Dispersed Generation

  Nguyen, D. T., Fujita, G., Yokoyama, R. & Koyanagi, K., 2009 12月 1, In: 2009 International Symposium on Sustainable Energy (ISSE2009).

  研究成果: Article › 査読

• Evaluation of Fuel Cell Co-generation for Collective Housing

  T.Takemoto, T. T., G.Fujita, G. F., R.Yokoyama, R. Y., T.Funabashi, T. F., M.Nomura, M. N. & Fujita, G., 2008 7月 1, In: International Conference on Electrical Engineering 2008 (ICEE2008).

  研究成果: Article › 査読

• Evaluation of micro grid including power storage device

  Shinji, T., Yamakami, T., Moriyama, A., Akisawa, A., Kashiwagi, T., Fujita, G. & Matsubara, M., 2009 3月, In: Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy. 88, 3, p. 199-204 6 p.

  研究成果: Article › 査読

  • Electric power systems 100%
  • Renewable energy resources 95%
  • Gas turbines 62%
  • Gas engines 58%
  • Wind power 20%
  3 被引用数 (Scopus)

• Evaluation Of Microgrid Supply and Demand Stability for Different Interconnections

  Uno, Y., Fujita, G., Yokoyama, R., Matubara, M., Toyoshima, T. & Tsukui, T., 2006 11月 1, In: First International Power & Energy Conference (PECon 2006).

  研究成果: Article › 査読

• Evaluation of the power transaction considering the transmission use of system charges and system constraints

  Afandi, A. N., Wibawa, A. P., Padmantara, S., Fadlika, I., Gumilar, L., Wahyono, I. D., Lestari, D., Handayani, A. N., Aripriharta, Miyauchi, H., Fujita, G., Tutkun, N., Sulistyorini, Y. & El-Shimy, M., 2018, In: ICIC Express Letters, Part B: Applications. 9, 10, p. 1041-1050 10 p.

  研究成果: Article › 査読

  • Costs 100%
  • Deregulation 84%
  • Economics 83%
  • Operating costs 64%
  • Sales 62%
  1 被引用数 (Scopus)

• Experimental study of a doubly-fed rotary frequency converter

  Takemoto, Y., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2010 2月 1, In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 170, 4, p. 26-34 9 p.

  研究成果: Article › 査読

  • Frequency converters 100%
  • Wind power 69%
  • Power generation 68%
  • Electric potential 27%
  • Farms 26%

• Experimental study on doubly-fed rotary frequency converter

  Takemoto, Y., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2008, In: IEEJ Transactions on Power and Energy. 128, 6, p. 5+845-852

  研究成果: Article › 査読

  Open Access

  • Frequency converters 100%
  • Wind power 69%
  • Power generation 68%
  • Electric potential 27%
  • Farms 26%

• Experimental study on improvement of transient stability with braking resistor

  Iida, S., Imamura, S., Shirai, G. & Fujita, G., 2006 9月 18, In: IEEJ Transactions on Power and Energy. 126, 9, p. 894-900 7 p.

  研究成果: Article › 査読

  • Braking 100%
  • Resistors 96%
  • Electric industry 76%
  • Synchronous generators 54%
  • Power markets 51%

• Experimental study on improvement of transient stability with braking resistor

  Iida, S., Imamura, S., Shirai, G. & Fujita, G., 2008 12月 1, In: Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi). 91, 8, p. 11-19 9 p.

  研究成果: Article › 査読

  • braking 100%
  • resistors 80%
  • Braking 79%
  • Resistors 76%
  • shunts 45%
  1 被引用数 (Scopus)

• Extending Subway Network — Opening to Traffic Tokyo Metro Fukutoshin Line —

  Tokunaga, M., Nishimura, R., Fujita, G. & Furuse, M., 2008, In: Journal of the Institute of Electrical Engineers of Japan. 128, 6, p. 342-345 4 p.

  研究成果: Article › 査読

  Open Access

• FACTS Stabilization Control for Multi-Machine Power Systems

  Fujita, G., Yokoyama, R., Shiratori, S., Takeuchi, S. & Shirai, G., 1997 9月 1, In: University of Power Engineering Conference ’97 (UPEC’97). p. 17-20

  研究成果: Article › 査読

  1 被引用数 (Scopus)

• Fault current limiting function of dynamic voltage restorer utilizing signals from existing protective relays

  Tung, N. X. & Goro, F., 2010 5月, In: IEEJ Transactions on Electrical and Electronic Engineering. 5, 3, p. 328-336 9 p.

  研究成果: Article › 査読

  • Relay protection 100%
  • Electric fault currents 94%
  • Electric potential 42%
  • Voltage control 8%
  • Fault detection 8%

• Frequency Control by Rotary Frequency Converter for Wind Farm in Interconnected Power System

  Fujita, G., Ezaki, K., Nakano, T., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2002 7月 1, In: ICEE 2002 JEJU.

  研究成果: Article › 査読

• Global maximum power point tracking under shading condition and hotspot detection algorithms for photovoltaic systems

  Gosumbonggot, J. & Fujita, G., 2019, In: Energies. 12, 5, 882.

  研究成果: Article › 査読

  Open Access

  • Photovoltaic System 100%
  • Shading 74%
  • Hot Spot 72%
  • Irradiation 28%
  • Simulation 18%
  21 被引用数 (Scopus)

• Grid Connected Inverter Input Admittance Improvement by Using Virtual Resistor Concept

  Rizqiawan, A. & Fujita, G., 2010 9月 1, In: 平成22年電気学会電力・エネルギー部門大会.

  研究成果: Article › 査読

• Heat Control Dynamics of SOFC Model

  Y.Uno, Y. U., G.Fujita, G. F., R.Yokoyama, R. Y., K.Koyanagi, K. K., T.Toyoshima, T. T., T.Funabashi, T. F., M.Nomura, M. N. & Fujita, G., 2007 12月 1, In: ICPS2007.

  研究成果: Article › 査読

• High Ratio DC-DC Converter for Distributed Generation Application

  Rizqiawan, A., Sutrisna, K. F., Dahono, P. A. & Fujita, G., 2009 12月 1, In: 2009 International Symposium on Sustainable Energy (ISSE2009).

  研究成果: Article › 査読

• How to Use Battery Which Is Effective for Power Supply

  Kusaba, Y., Fujita, G., Funabashi, T., Nomura, N. & Yokoyama, R., 2008 10月 1, In: 2008 International Symposium on Sustainable Energy (ISSE2008).

  研究成果: Article › 査読

• Identification of photovoltaic-generation-characteristic at real-time conditions by improved single-diode model

  Nguyen, T. D., Le, T. V. & Fujita, G., 2022 1月 6, In: IET Renewable Power Generation. 16, 1, p. 223-236 14 p.

  研究成果: Article › 査読

  Open Access

  • Diodes 100%
  • Renewable energy resources 19%
  • Short circuit currents 11%
  • Numerical models 9%
  • Temperature 9%
  1 被引用数 (Scopus)

• Impact of advanced load-frequency control on optimal size of battery energy storage in islanded microgrid system

  Sitompul, S. & Fujita, G., 2021 4月 2, In: Energies. 14, 8, 2213.

  研究成果: Article › 査読

  Open Access

  • Microgrid 100%
  • Energy Storage 89%
  • Battery 74%
  • Microgrids 54%
  • Energy storage 47%
  5 被引用数 (Scopus)

• Impact of a virtual resistor on the input admittance of a grid-connected inverter

  Rizqiawan, A., Fujita, G., Funabashi, T. & Nomura, M., 2013 3月, In: IEEJ Transactions on Electrical and Electronic Engineering. 8, 2, p. 190-198 9 p.

  研究成果: Article › 査読

  • Resistors 100%
  • Controllability 35%
  • Numerical analysis 29%
  2 被引用数 (Scopus)

• Impact of Harmonics on Tripping Time and Coordination of Overcurrent Relay

  N.X.Tung, N. X. T., G.Fujita, G. F., M.A.S.Masoum, M. A. S. M., S.M.Islam, S. M. I. & Fujita, G., 2007 11月 1, In: 7th WSEAS International Conference on Electrical Power Systems，High Voltages，Electric Machines.

  研究成果: Article › 査読

• Impact of Power Quarity on Protection System in Distribution Power Network

  N.X.Tung, N. X. T., G.Fujita, G. F. & Fujita, G., 2008 2月 1, In: The 2nd South East Asian Techinical University Consortium Symposium. p. 11-12

  研究成果: Article › 査読

• Improvement of Load Frequency Control After Deregulation Using Doubly-Fed Rotary Frequency Converter

  Nakamura, A., Fujita, G., Yokoyama, R., Koyanagi, K. & Funabashi, T., 2004 11月 1, In: ICPS2004 (International Conference on Power Systems 2004).

  研究成果: Article › 査読

• Improvement of Transient Stability Using Dynamic Braking Resistor and Shunt Capacitor for Various Fault Points

  Imamura, S., Shirai, G., Yokoyama, R. & Fujita, G., 2004 7月 1, In: ICEE 2004 Sapporo.

  研究成果: Article › 査読

• Incorporating Fault Current Limiting Function of Dynamic Voltage Restorer with Existing Protection System

  Nguyen, T. X. & Fujita, G., 2008 7月 1, In: International Conference on Electrical Engineering 2008 (ICEE2008).

  研究成果: Article › 査読

• Influence of Power Quality on Operation of Protection System

  N.X.Tung, N. X. T., G.Fujita, G. F. & Fujita, G., 2007 12月 1, In: ISSE2007. p. 63-66

  研究成果: Article › 査読

• Introduction Evaluation of Micro Wind Power Generation System

  Mineo, T., Fujita, G., Konno, Y. & Asano, T., 2011 2月 1, In: The 5th South East Asian Technical University Consortium (SEATUC) Symposium.

  研究成果: Article › 査読

• Islanding detection method based on injecting perturbation signal and rate of change of output power in DC grid-connected photovoltaic system

  Tran, T. S., Nguyen, D. T. & Fujita, G., 2018, In: Energies. 11, 5, en11051313.

  研究成果: Article › 査読

  Open Access

  • Photovoltaic System 100%
  • Rate of change 61%
  • Distributed power generation 49%
  • Reactive power 46%
  • Grid 39%
  11 被引用数 (Scopus)

• Islanding Detection Method Based on Two Rounds of Impedance Measurement

  Tuyen, N. D., Fujita, G., Funabashi, T. & Grid, M. N., 2010 9月 1, In: 平成22年電気学会電力・エネルギー部門大会.

  研究成果: Article › 査読

• Linear Matrix Inquality Based TCSC Contoroller Considering Load Characterstic

  Ishimaru, M., Shirai, G., Fujita, G. & Yokoyama, R., 1999 8月 1, In: The International Conference on Electrical Engoneering’99(ICEE’99). p. 105-108

  研究成果: Article › 査読

• Linking Power System Engineering And Daily Life

  Fujita, G., 2012 3月 1, In: 6TH South East Asian Technical University Consortium Symposium (SEATUC).

  研究成果: Article › 査読

• Load Characteristics Influence On Current Controller Of Dispersed Generation During Transient-To-Island Mode

  Tuyen, N. D. & Fujita, G., 2012 3月 1, In: 6TH South East Asian Technical University Consortium Symposium (SEATUC).

  研究成果: Article › 査読

• Local optimal load-shedding with allowance for voltage deviation

  Fujita, G. & Shirai, G., 1997 1月 1, In: Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 119, 1, p. 35-44 10 p.

  研究成果: Article › 査読

  • Electric potential 100%
  • Outages 71%
  • Quadratic programming 43%
  • Computer simulation 21%