Liu Jia

リュウジア | Liu Jia

Affiliation and department：
Job title：助教
Homepage URL (2)： http://pe.eei.eng.osaka-u.ac.jp/lab/ , http://pe.eei.eng.osaka-u.ac.jp/lab/en/index.html

Research field (1)： Electrical power engineering

Research keywords (6)： Motor Drive , Power Quality , Microgrid , Distributed Generator , Electrical Engineering , Power Electronics

Research theme for competitive and other funds (12)：

2019 - 2022 Study on Solid State Transformer with Virtual Synchronous Machine Control
2017 - 2019 Studies on oscillation damping of virtual synchronous generators using modern control theory
2019 - 太陽光発電とエネルギー貯蔵装置に適用する仮想同期発電機制御に関する研究
2019 - 系統周波数安定化機能を有するスマートファンに関する研究
2018 - インダイレクトマトリックスコンバータによる小型水力発電機の系統連系

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Papers (28)：

Jia Liu, Hêmin Golpîra, Hassan Bevrani, Toshifumi Ise. Grid integration evaluation of virtual synchronous generators using a disturbance-oriented unified modeling approach. IEEE Transactions on Power Systems. 2021. 36. 5. 4660-4671
Hiroaki Ota, Jia Liu, Yushi Miura, Yuta Yanagisawa, Akihito Wada, Shigekazu Sakabe, Hassan Bevrani, Toshifumi Ise. Multiphase Direct AC Wireless Power Transfer System: Comparative Proposals Using Frequency and Amplitude Modulations. IEEE Journal of Emerging and Selected Topics in Industrial Electronics. 2021. 2. 2. 101-112
Jia Liu, Yushi Miura, Hassan Bevrani, Toshifumi Ise. A unified modeling method of virtual synchronous generator for multi-operation-mode analyses. IEEE Journal of Emerging and Selected Topics in Power Electronics. 2021. 9. 2. 2394-2409
Daisuke Terazono, Jia Liu, Yushi Miura, Shigekazu Sakabe, Hassan Bevrani, Toshifumi Ise. Grid frequency regulation support from back-to-back motor drive system with virtual-synchronous-generator-based coordinated control. IEEE Transactions on Power Electronics. 2021. 36. 3. 2901-2913
Jia Liu, Hassan Bevrani, Toshifumi Ise. A Design-Oriented Q-V Response Modeling Approach for Grid-Forming Distributed Generators Considering Different Operation Modes. IEEE Journal of Emerging and Selected Topics in Power Electronics. 2021

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MISC (20)：

Taichi Mori, Jia Liu, Yushi Miura, Shigekazu Sakabe, Toshifumi Ise. Control scheme to reduce circulating current in arms of the modular multilevel matrix converter under three-phase voltage unbalance conditions. The Papers of Joint Technical Meeting on "Semiconductor Power Converter" and "Motor Drive", IEE Japan. 2020. SPC-20-051,MD-20-051
Tatsuya Maesaka, Jia Liu, Yushi Miura, Shigekazu Sakabe, Toshifumi Ise. A study on compensation of three-phase unbalance and harmonic current using delta-connected current source type MMC. The Papers of Joint Technical Meeting on "Semiconductor Power Converter" and "Motor Drive", IEE Japan. 2020. SPC-20-050,MD-20-050
Hiroaki Kojima, Jia Liu, Yushi Miura, Shigekazu Sakabe, Toshifumi Ise. A study on soild state transformer using modular multilevel matrix converter. The Papers of Joint Technical Meeting on "Semiconductor Power Converter" and "Motor Drive", IEE Japan. 2020. SPC-20-047,MD-20-047
Hiroaki Ota, Jia Liu, Yushi Miura, Shigekazu Sakabe, Toshifumi Ise. A study on multi-phase wireless power transfer using frequency modulation. The Papers of Joint Technical Meeting on "Semiconductor Power Converter" and "Motor Drive", IEE Japan. 2020. SPC-20-044,MD-20-044
Takahiro Michinaka, Jia Liu, Yushi Miura, Shigekazu Sakabe, Toshifumi Ise. Circuit configuration of grid connection for the grid-connected inverter of an induction machine-based flywheel energy storage system. The Papers of Joint Technical Meeting on "Semiconductor Power Converter" and "Motor Drive", IEE Japan. 2020. SPC-20-041,MD-20-041

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Patents (2)：

Power supply system and control method
Control device and control method during bypassing of power units

Lectures and oral presentations (2)：

Parallel operation of distributed generators by virtual synchronous generator control in microgrids
(Niagara 2016 Symposium on Microgrids 2016)
Parallel operation of virtual synchronous generators in a microgrid
(Aalborg 2015 Symposium on Microgrids 2015)

Education (4)：

2013 - 2016 Osaka University Graduate School of Engineering Division of Electrical, Electronic and Information Engineering
2008 - 2011 Xi'an Jiaotong University Graduate School of Electrical Engineering
2006 - 2008 University of Technology of Troyes Engineering of Mechanical Systems
2004 - 2006 Xi'an Jiaotong University School of Electrical Engineering

Professional career (1)：

Ph.D. (Engineering) (Osaka University)

Work history (3)：

2017/04 - 現在 Osaka University Graduate School of Engineering Assistant Professor
2016/04 - 2017/03 Osaka University Graduate School of Engineering Specially Appointed Assistant Professor (Full time)
2011/07 - 2012/04 Delta Electronics (Jiangsu), Ltd. Nanjing Branch Engineer

Association Membership(s) (3)：

THE JAPAN INSTITUTE OF POWER ELECTRONICS , THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN , IEEE

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