The present disclosure relates to the technical field of supplying vehicles with energy, and discloses a supply station and a method capable of charging electricity and filling with hydrogen gas simultaneously or separately, the supply station comprising: a power supply unit, a storage battery system, a device capable of converting electric power into hydrogen gas, a hydrogen gas storage system, a device capable of converting hydrogen gas into electric power, a charger and a hydrogen dispenser; the power supply unit is connected with the storage battery system to deliver power; the storage battery system is connected with the device capable of converting electric power into hydrogen gas so as to convert the electric power provided by the storage battery system into hydrogen gas; the device capable of converting electric power into hydrogen gas is connected with the hydrogen gas storage system to store hydrogen gas in the hydrogen gas storage system; the hydrogen gas storage system is connected with the device capable of converting hydrogen into electric power. Compared with the supply station and the method provided by the prior art, the supply station and the method provided by the present disclosure can perform dynamic adjustments according to the requirements of the electric vehicles and hydrogen-powered vehicles, and reduce device investment and relieve the limitation of the electricity storage amount of the storage battery system and the hydrogen storage amount of the hydrogen gas storage system.

An electric power controlling section which controls transmission and reception of electric power between power grid and an electric power storage device, an energy source producing section which utilizes electric power supplied from power grid to produce an energy source, an energy information obtaining section which obtains information indicating a first electric amount which is the electric power amount supplied by the electric power storage device to the power grid during a first period, and a corresponding amount determining section which determines a first corresponding amount which is the amount of the energy source produced by the energy source producing section utilizing the amount of electric power corresponding to the first electric amount are included.

According to an embodiment, a reverse flow power control device includes: an input unit that accepts actual values of output power of the power conditioner, load power with respect to the load device, and reception power, and a minimum reception power value; a storage unit; and a calculator having an output controller that calculates an output command calculation value, a load controller that calculates a load command calculation value, and a command value re-calculator that calculates, by using the respective actual values, the output command calculation value, the load command calculation value, and the minimum reception power value, an output command value with respect to the power conditioner, in order to prevent a reception power value from the power system from becoming less than the minimum reception power value.

A vehicle includes a boost converter configured to bypass or to convert a stack voltage and output the bypassed or converted stack voltage as a first voltage in response to a first control signal, a first switching unit configured to be switched in response to a first switching signal to form a main path to supply the first voltage to a battery, a buck converter configured to convert and output a level of the first voltage to the battery as a second voltage in response to a second control signal, a second switching unit configured to be switched in response to a second switching signal to form a bypass path to supply the second voltage to the battery, and a controller configured to inspect a level of voltage charged in the battery and generate the first and second control signals and the first and second switching signals based thereon.

An energy storage system includes a heat generation apparatus configured to generate heat from electric power and a heat storage device configured to store the heat generated by the heat generation apparatus, the heat generation apparatus including an electric motor connected to an electric power system and rotated by surplus electric power received from the electric power system, and a heat generator having a rotary unit rotated by the electric motor and a heat generating unit configured to generate heat through electromagnetic induction, and configured to convert rotational force of the electric motor to heat.

An energy management system capable of optimizing a distribution of energy storage between a battery and a hydrogen energy storage system is provided. An energy management system includes a collection unit configured to collect arrival and departure information and information about weather, a prediction unit configured to predict a demand fluctuation in an amount of electric power used in an airport based on the information collected by the collection unit, and a determination unit configured to determine a distribution of energy storage between a battery and a hydrogen energy storage system based on the demand fluctuation predicted by the prediction unit.

A fuel preparation reaction system includes: an electrolytic hydrogen production equipment connected to a power supply device of a power generation plant and configured to produce hydrogen through electrolysis with surplus power from peak regulation of the power generation plant as a power supply; a fuel preparation reaction equipment configured to produce fuel with hydrogen and carbon dioxide; an input end of the fuel preparation reaction equipment is connected to a hydrogen output pipe of an electrolytic hydrogen production device, while another input end is connected to a supply source of carbon dioxide, a fuel output port being connected to a fuel collection device or a fuel utilization device. The system can directly consume peak-regulation power from a power plant, thereby improving power grid balance and differences between peaks and valleys, while achieving phase-changed storage of electric energy and effective usage of energy.

An electric power controlling section which controls transmission and reception of electric power between power grid and an electric power storage device, an energy source producing section which utilizes electric power supplied from power grid to produce an energy source, an energy information obtaining section which obtains information indicating a first electric amount which is the electric power amount supplied by the electric power storage device to the power grid during a first period, and a corresponding amount determining section which determines a first corresponding amount which is the amount of the energy source produced by the energy source producing section utilizing the amount of electric power corresponding to the first electric amount are included.

The present invention relates to a hydrogen recycling flight system and flight method, the hydrogen recycling flight system including: a flight fuselage which has at least one pair of wings at each of both sides of a body; a hydrogen gas balloon which is air-tightly connected to the flight fuselage; a hydrogen fuel cell which is connected with the hydrogen gas balloon and is installed outside or inside the flight fuselage; and a secondary battery which is charged with electricity generated from the hydrogen fuel cell, electricity generated from a solar cell provided at an outer peripheral portion of the flight fuselage, or electricity of an external power network, in which by using a switch, the hydrogen fuel cell is switched to a water electrolysis device or the water electrolysis device is switched to the hydrogen fuel cell, the hydrogen recycling flight system includes: a water tank which stores water generated from the hydrogen fuel cell; the water electrolysis device which electrolyzes the stored water; a switch control device which switches functions of the hydrogen fuel cell and the water electrolysis device; and a high-pressure gas barrel which high-pressure stores hydrogen gas and oxygen gas generated in the water electrolysis device, and the flight fuselage flies by controlling the volume of the hydrogen gas balloon that is flotation power of a flight vehicle by an operation of the hydrogen fuel cell or the high-pressure gas barrel.

A power management system, which has a holding function capable of holding power in the form of storable energy, and a supply function for supplying power procured from a contractor to the holding function, sets a utilizable range of storable energy held by the holding function. In the setting, if an amount of storable energy held by the holding function exceeds a predetermined amount, an excess of the storable energy exceeding the predetermined amount is set as utilizable storable energy.