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Kawabe Lab
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A lab aiming to coordinate renewable energy with the power system.
AboutAbout the lab
Toward harmony between renewables and power systems.
Kawabe Lab studies how to integrate renewable energy while keeping the power system stable.
Output from solar and wind power varies with the weather, and their response to faults and other disturbances differs greatly from that of thermal and hydroelectric generation.
The lab therefore works on methods for analyzing, operating, and controlling the power grid so that electricity can be delivered reliably.
It also keeps in view the use of a variety of technologies that will shape the power systems of the future.
Key terms
- Power grid
- The entire interconnected set of generation, transmission, and distribution facilities that delivers electricity from power plants to homes and factories
- Transient stability
- Whether generators can keep rotating in step with one another when a disturbance, such as a transmission line fault, occurs
- Converter
- A device that changes the form of electricity, such as between direct current and alternating current. It is used to connect solar power and batteries to the power grid
ResearchResearch themes
As renewables such as solar and wind power increase, new challenges arise in analyzing, operating, and controlling power systems. Aiming to make renewables a primary power source while ensuring a stable power supply, the lab mainly studies methods for analyzing, operating, and controlling the power grid.
*Illustrative imageWide-area control to maintain stability during faults
As renewables increase, it becomes harder to maintain stability among generators (transient stability) during faults. The lab develops new concepts and theory for grid stabilization using wide-area GPS-based measurement and high-speed communication.
*Illustrative imageStabilizing frequency and voltage with converters
As converter-connected renewables increase, sudden frequency changes and voltage drops during faults are a concern. The lab works on advanced control of converters for batteries and renewable energy sources.
*Illustrative imageOperation planning that prepares for forecast errors
To prevent blackouts even when forecasts of renewable generation turn out to be wrong, the lab develops methods to optimize operation plans for generation facilities, batteries, and other equipment, from the day before to a few hours ahead.
MembersFaculty
Kawabe Lab's members are faculty, technical support staff, and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorKenichi KawabePublications ↗
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Wind Turbines ^ Solar Panels at Upper Holton Wind ^ Solar Farm - geograph.org.uk - 4618332” Geographer / CC BY-SA 2.0 (cropped)
- Wide-area control to maintain stability during faults: “Electric transmission power tower2” Foto3821 / CC0 (cropped)
- Stabilizing frequency and voltage with converters: “Stanton Battery Energy Storage (SBES)” Sig. Chiocciola / CC0 (cropped)
- Operation planning that prepares for forecast errors: “Amenities photovoltaic power station 1” Qurren / CC BY-SA 3.0 (cropped)
- Related lab (Sugahara Lab): “Silicon Village ( )” Jack Spades / CC BY 2.0 (cropped)
- Related lab (Uenohara Lab): “Optical fiber cable-06ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Related lab (Miyamoto Lab): “Fluorescence in calcite” Jan Pavelka / CC BY-SA 4.0 (cropped)
- Related lab (Shirane Lab): “DARPA amplifier on silicon USC” University of Southern California and Columbia University / Public domain (cropped)
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