US 12,438,392 B2
Wide-area power supply system
Masamichi Kamei, Tokyo (JP)
Assigned to LAND BUSINESS CO., LTD., Tokyo (JP)
Appl. No. 17/905,527
Filed by LAND BUSINESS CO., LTD., Tokyo (JP)
PCT Filed Feb. 17, 2021, PCT No. PCT/JP2021/005803
§ 371(c)(1), (2) Date Sep. 2, 2022,
PCT Pub. No. WO2021/177028, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 2020-036883 (JP), filed on Mar. 4, 2020.
Prior Publication US 2023/0147457 A1, May 11, 2023
Int. Cl. F17C 13/08 (2006.01); H02J 3/38 (2006.01); H02J 15/00 (2006.01); H01M 8/04 (2016.01)
CPC H02J 15/008 (2020.01) [F17C 13/08 (2013.01); H02J 3/381 (2013.01); F17C 2221/012 (2013.01); F17C 2270/0168 (2013.01); F17C 2270/0581 (2013.01); H02J 2300/22 (2020.01); H02J 2300/28 (2020.01); H02J 2300/30 (2020.01)] 10 Claims
OG exemplary drawing
 
1. A wide-area power supply system comprising:
one or more primary power plants for performing supply of power to a wide area;
a hydrogen production facility which produces hydrogen by using electricity generated in said primary power plant;
a plurality of primary hydrogen storage facilities which are distributed over a wide area and store the hydrogen produced in said hydrogen production facility;
a plurality of secondary hydrogen storage facilities which are distributed for each primary hydrogen storage facility;
a regional power grid which is placed within a plurality of specified residential areas and sends power to power consuming facilities or dwelling units within each specified residential area;
a secondary power generator or a secondary power generation facility which is installed for each specified residential area and converts the hydrogen transported via said primary hydrogen storage facility or said secondary hydrogen storage facility into electric power; and
a large number of transportation means for transporting said hydrogen between said hydrogen production facility and said primary hydrogen storage facility, between said primary hydrogen storage facility and said secondary hydrogen storage facility and between said primary hydrogen storage facility or said secondary hydrogen storage facility and said secondary power generation facility,
wherein said regional power grid is mainly constituted of undergrounded power cables within said specified residential area.