Turbine developments |
Takasago Hydrogen Park The McDonough-Atkinson project builds upon Mitsubishi Power’s hydrogen combustion experience and ongoing hydrogen combustion development aiming at 100% hydrogen DLN combustion.
This development effort is centred on the company’s Takasago Works in Hyogo Prefecture, Japan, a site that encompasses the development, design and manufacture of gas turbines, as well as demonstration and verification. The company recently announced it will establish the Takasago Hydrogen Park, on which construction started in quarter one of 2022 and which “aims to be the world’s first centre for validation of hydrogen-related technologies.” With this “comprehensive capability”, Mitsubishi Power says it is “working towards commercialising highly reliable, carbon-free power generation technologies and products, including tests and collaboration with partners around the world on a path to 100% hydrogen firing for small- and large-frame gas turbines in the future.” The Takasago Hydrogen Park site is located adjacent to the T-Point 2 combined cycle power plant validation facility.
Mitsubishi Power says it is beginning to test and demonstrate a range of hydrogen related technologies including hydrogen production and storage and hydrogen fueling of gas turbines, with the aim of commencing operations in fiscal year 2023.
Hydrogen production technologies will include conventional water electrolysis and solid oxide (high temperature) electrolysis cell. Mitsubishi Power says it also plans to conduct testing and verification of other, next-generation, hydrogen production technologies such as turquoise- hydrogen production, by pyrolysis of methane into hydrogen and solid carbon. An integrated system for addressing all aspects of hydrogen-related technologies, from development to demonstration and verification, will be established at the Takasago Machinery
Above: McDonough-Atkinson power plant control room (credit: Georgia Power)
Works. For the combustor, the key development component of hydrogen gas turbines, Mitsubishi Power will create a work-flow that includes design, production of hardware at the manufacturing plant, and validation testing at the Takasago site.
Mitsubishi Power’s gas turbine development process emphasises verification testing of all elements at the basic design stage, incorporation of testing results in the detailed design, and finally validation using an actual gas turbine. “Completing this development cycle within the same plant will allow for quicker and more certain product development and commercialisation”, says Mitsubishi Power. The T-Point 2 facility conducts long-term reliability validation of newly developed technologies, including verification of the next-generation JAC (J-series Air- Cooled) large frame gas turbines (which can claim a world first turbine inlet temperature of 1650°C),
T-Point 2
Hydrogen power validation facility (small- and middle-size gas turbines) (combustor for large-size gas turbine
Hydrogen power validation facility (large-size gas turbine)
conducting operations equivalent to an actual power station while connected to the local power grid. The facility, a 566 MW combined cycle plant, went into operation on 1 July 2020, beginning a long-term verification testing programme on JAC turbine technology.
To support “commercialisation of hydrogen gas turbines by 2025”, verification testing at T-Point 2 will see a JAC class turbine running initially on 30% hydrogen, with the percentage of hydrogen increased over time.
Testing of small and mid sized turbines at 100% hydrogen firing will also be conducted at the Takasago Hydrogen Park, using an H-25 class gas turbine. There will also be testing of combustors for large turbines. MHI says it aims to establish a “hydrogen ecosystem” that will “form the basis of a sustainable society, and accelerate its commercialisation through verification at Takasago.”
Located in Takasago Machinery Works Total energy management system
Hydrogen production facility (water electrolysis system)
Hydrogen production facility (methane pyrolysis)
BESS Electricity Hydrogen
Hydrogen piping
Takasago Hydrogen Park (BESS = battery energy storage system, SOEC = solid oxide electrolysis cell (credit: Mitsubishi Power)
Hydrogen storage facility
Hydrogen production facility (SOEC)
20 | July/August 2022|
www.modernpowersystems.com
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