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公开(公告)号：US20240240575A1
公开(公告)日：2024-07-18
申请号：US18274413
申请日：2023-07-26
发明人： Taufiq Hilal TAWAB , Toyohiro AKEBI , Jianda GOH , Hiromutsu MIKI , Keiko SHIMIZU , Masakazu SHIRAKAWA , Atsushi MATSUZAKI , Takahiro MORI , Hironori WATANABE , Yusuke FUKAMACHI , Syuntaro ABE , Chikako IWAKI
摘要： In one embodiment, a thermal energy storage power plant includes a thermal accumulator to accumulate thermal energy and heat a thermal medium with the thermal energy, and a steam generator to generate steam using the thermal medium. The plant further includes a first path to convey the thermal medium from the accumulator to the generator, and a second path to convey the thermal medium from the generator to the accumulator. The plant further includes an auxiliary module provided on the first path, and a bypass path to convey the thermal medium flowing through the second path to the auxiliary module by bypassing the accumulator, wherein the auxiliary module is supplied with a first thermal medium from the accumulator via the first path, supplied with a second thermal medium from the second path via the bypass path, and supplies a third thermal medium to the generator via the first path.
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公开(公告)号：US20240219941A1
公开(公告)日：2024-07-04
申请号：US18570909
申请日：2021-11-30
发明人： Atsushi HASHIMOTO , Keiko SHIMIZU , Masakazu SHIRAKAWA , Atsushi MATSUZAKI , Hiromutsu MIKI , Toyohiro AKEBI , Taufiq Hilal TAWAB , Takahiro MORI , Hironori WATANABE , Yusuke FUKAMACHI , Syuntaro ABE , Chikako IWAKI , Takashi MAWATARI
IPC分类号： G05D23/19
CPC分类号： G05D23/1917
摘要： In one embodiment, a heat storage power generation system includes a heater to heat first fluid, and a heat storage to be heated by the first fluid, and heat second fluid with heat stored in the heat storage. The system further includes a generator to generate electric power by using the second fluid, a heating controller to control heating of the first fluid by the heater, and a power generation controller to control power generation performed by the generator. The heating controller controls the heating of the first fluid, based on two or more limit values among a first limit value related to an amount of energy consumption by the heater, a second limit value related to temperature of the first fluid, a third limit value related to internal temperature of the heat storage, and a fourth limit value related to a change rate of the internal temperature.
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公开(公告)号：US20240288224A1
公开(公告)日：2024-08-29
申请号：US18570944
申请日：2021-11-30
发明人： Hironori WATANABE , Keiko SHIMIZU , Naoto NAKAGAWA , Masakazu SHIRAKAWA , Atsushi MATSUZAKI , Hiromutsu MIKI , Toyohiro AKEBI , Taufiq Hilal TAWAB , Takahiro MORI , Yusuke FUKAMACHI , Syuntaro ABE , Chikako IWAKI , Takashi MAWATARI
CPC分类号： F28D20/0056 , F28D20/021
摘要： In one embodiment, a heat storage power generation system includes a heater to heat first fluid, and a heat storage to be heated by the first fluid, and heat second fluid with heat stored in the heat storage. The system further includes a generator to generate electric power by using the second fluid, and one or more first path switchers provided on a first path through which the first fluid is circulated between the heater and heat storage. The system further includes one or more second path switchers provided on a second path through which the second fluid is circulated between the heat storage and generator, one or more third path switchers provided on a third path through which at least one of the first and second fluids is circulated between the heater and generator, and a switching controller to control the first, second and third path switchers.
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公开(公告)号：US20220337067A1
公开(公告)日：2022-10-20
申请号：US17562373
申请日：2021-12-27
发明人： Atsushi MATSUZAKI , Keiko SHIMIZU , Haruo OGUCHI , Akinori TANI , Takahisa HOSHINO , Kojiro TADA
摘要： A power control apparatus of an embodiment controls power to be output to a power system from a power station including a power generation unit, and a power storage unit. The power control apparatus includes a power generation control unit, a power storage control unit, and a cooperation control unit. The power generation control unit controls an output of the power generation unit based on a power generation set value. The power storage control unit controls an output of the power storage unit based on a power storage set value. The cooperation control unit outputs the power generation set value to the power generation control unit and outputs the power storage set value to the power storage control unit based on a power demand amount of the power system so as to make the power generation unit and the power storage unit operate in a cooperative manner.
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