CROSS-REFERENCE TO RELATED APPLICATION

Priority is claimed on Japanese Patent Application No. 2019-182867, filed Oct. 3, 2019, the content of which is incorporated herein by reference.

BACKGROUND OF THE INVENTION

Field of the Invention

The present invention relates to a system, a method of controlling a system, and a storage medium.

Description of Related Art

In the related art, a technology of warming up a fuel cell and a secondary battery by alternately performing first processing of controlling an electric power distribution part such that a generated electric power of the fuel cell is supplied to auxiliary machinery and a secondary battery and second processing of controlling the electric power distribution part such that electric power generated due to discharge of at least the secondary battery is supplied to at least one of the auxiliary machinery and a load, and repeating charging and discharge of the secondary battery to generate heat while generating heat by causing the fuel cell to generate electric power is known (for example, see Japanese Unexamined Patent Application, First Publication No. 2008-103228).

SUMMARY OF THE INVENTION

However, in the related art, an increase in energy efficiency when warming-up of a fuel cell has not been considered.

An aspect of the present invention is directed to providing a system, a method of controlling a system, and a storage medium that are capable of increasing energy efficiency when warming-up of a fuel cell is performed.

A system, a method of controlling a system, and a storage medium according to the present invention employ the following configurations.

(1) A system according to an aspect of the present invention includes a fuel cell configured to generate an electric power by reacting a fuel of an anode with an oxidant of a cathode; an electrical storage device configured to store an electric power generated by the fuel cell; an electric load to which the electric power is supplied using at least one of the electric power generated by the fuel cell and the electric power stored in the electrical storage device; and an electric power control part configured to control supply of the electric power from the fuel cell and the electrical storage device to the electric load, wherein the electric power control part performs warming-up control of the fuel cell when warming-up of the fuel cell is necessary and an electric power requested to be generated at the fuel cell is less than a predetermined value, and causes the fuel cell to generate an electric power that is greater than the electric power requested to be generated at the fuel cell and causes to store excess electric power in the electrical storage device when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

(2) In the aspect of the above-mentioned (1), the warming-up control may be control of generating an exothermic reaction by supplying the fuel, which is non-reacted, discharged from the anode to the cathode.

(3) In the aspect of the above-mentioned (1) or (2), the electric power control part may not perform the warming-up control of the fuel cell when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

(4) In the aspect of the above-mentioned (1) to (3), the system may further include a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate the electric power requested to be generated at the fuel cell and cause to generate heat by supplying the electric power stored in the electrical storage device to the heating part to generate heat when the electric power requested to be generated at the fuel cell is greater than the predetermined value, the temperature of the electrical storage device detected by the temperature detection part is less than the predetermined temperature, and the charged rate detected by the charged rate detection part is equal to or greater than a predetermined proportion.

(5) In the aspect of the above-mentioned (1) to (4), the system may further include a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate the electric power requested to be generated at the fuel cell and does not supply the electric power stored in the electrical storage device to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, the temperature of the electrical storage device detected by the temperature detection part is equal to or greater than a predetermined temperature, and a charged rate detected by the charged rate detection part is equal to or greater than a predetermined proportion.

(6) In the aspect of the above-mentioned (1) to (5), the system may further include a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell, causes to store excess electric power in the electrical storage device, and does not supply the electric power stored in the electrical storage device including the excess electric power to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, a temperature of the electrical storage device detected by the temperature detection part is equal to or greater than a predetermined temperature, and a charged rate detected by the charged rate detection part is less than a predetermined proportion.

(7) In the aspect of the above-mentioned (1) to (6), the system may further include a temperature detection part configured to detect a temperature of the electrical storage device; a charged rate detection part configured to detect a charged rate of the electrical storage device; and a heating part provided at a position where heat is transferred to the electrical storage device and configured to generate heat using an electric power, wherein the electric power control part causes the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell, causes to store excess electric power in the electrical storage device, and causes to generate heat by supplying an electric power stored in the electrical storage device including the excess electric power to the heating part when the electric power requested to be generated at the fuel cell is greater than the predetermined value, a temperature of the electrical storage device detected by the temperature detection part is less than a predetermined temperature, and a charged rate detected by the charged rate detection part is less than a predetermined proportion.

(8) A system according to another aspect of the present invention includes a fuel cell configured to generate an electric power by reacting fuel of an anode with oxidant of a cathode; an electrical storage device configured to store the electric power generated by the fuel cell; an electric load to which an electric power is supplied using at least one of an electric power generated by the fuel cell and an electric power stored in the electrical storage device; and an electric power control part configured to control supply of an electric power from the fuel cell and the electrical storage device to the electric load, wherein the electric power control part decreases a degree of warming-up control of the fuel cell when an electric power requested to be generated at the fuel cell is greater than a predetermined value in comparison with the case in which the electric power requested to be generated at the fuel cell is smaller than the predetermined value.

(9) A method of controlling a system according to another aspect of the present invention is performed by a control device of a system including: a fuel cell configured to generate an electric power by reacting fuel of an anode with oxidant of a cathode; an electrical storage device configured to store the electric power generated by the fuel cell; and an electric load to which an electric power is supplied using at least one of an electric power generated by the fuel cell and an electric power stored in the electrical storage device, the method including: controlling supply of an electric power from the fuel cell and the electrical storage device to the electric load; performing warming-up control of the fuel cell when warming-up of the fuel cell is necessary and an electric power requested to be generated at the fuel cell is less than a predetermined value; and causing the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell and causing to store excess electric power in the electrical storage device when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

A storage medium according to another aspect of the present invention, on which a program is stored, is provided, and the program is configured to cause a control computer of a system including: a fuel cell configured to generate an electric power by reacting fuel of an anode with oxidant of a cathode; an electrical storage device configured to store the electric power generated by the fuel cell; and an electric load to which an electric power is supplied using at least one of an electric power generated by the fuel cell and an electric power stored in the electrical storage device, to perform processing of controlling supply of an electric power from the fuel cell and the electrical storage device to the electric load; processing of performing warming-up control of the fuel cell when warming-up of the fuel cell is necessary and an electric power requested to be generated at the fuel cell is less than a predetermined value; and processing of causing the fuel cell to generate an electric power greater than the electric power requested to be generated at the fuel cell and storing excess electric power in the electrical storage device when the warming-up of the fuel cell is necessary and the electric power requested to be generated at the fuel cell is equal to or greater than the predetermined value.

According to the aspect of the above-mentioned (1) to (10), it is possible to increase energy efficiency when warming-up of a fuel cell is performed.

