Power supply system and moving object

1 . A power supply system comprising:

a first power supply circuit configured to supply, to a first load device, direct current electric power output from a first power generation device;

a second power supply circuit configured to supply, to a second load device, direct current electric power output from a second power generation device; and

a first connection circuit including a first connection device configured to connect a positive side of the first power supply circuit and a positive side of the second power supply circuit, and a second connection device configured to connect a negative side of the first power supply circuit and a negative side of the second power supply circuit,

wherein

the first connection circuit includes:

a positive wire connected to a positive side of the first power supply circuit and a positive side of the second power supply circuit, and

a negative wire connected to a negative side of the first power supply circuit and a negative side of the second power supply circuit,

the first connection device is disposed on the positive wire of the first connection circuit,

the second connection device is disposed on the negative wire of the first connection circuit,

a distance between the first connection device and a portion at which the positive wire of the first connection circuit is connected to the positive side of the first power supply circuit is a first distance, a distance between the first connection device and a portion at which the positive wire of the first connection circuit is connected to the positive side of the second power supply circuit is a second distance, the first distance being less than the second distance, and

a distance between the second connection device and a portion at which the negative wire of the first connection circuit is connected to the negative side of the first power supply circuit is a third distance, a distance between the second connection device and a portion at which the negative wire of the first connection circuit is connected to the negative side of the second power supply circuit is a fourth distance, the third distance being greater than the fourth distance.

2 . The power supply system according to claim 1 , further comprising a third power supply circuit configured to supply, to a third load device, the direct current electric power output from the first power generation device, wherein

an area in which the third power supply circuit is disposed is located between an area in which the first power supply circuit is disposed and an area in which the second power supply circuit is disposed, and

the first connection device is disposed between the area in which the first power supply circuit is disposed and the area in which the third power supply circuit is disposed, and the second connection device is disposed between the area in which the second power supply circuit is disposed and the area in which the third power supply circuit is disposed.

3 . The power supply system according to claim 1 , wherein

the first power supply circuit and the first connection device are disposed in a first area, and

the second power supply circuit and the second connection device are disposed in a second area separated from the first area.

4 . The power supply system according to claim 1 , wherein

the first power supply circuit and the first connection device are disposed in a first area,

the second power supply circuit and the second connection device are disposed in a second area, and

the first area and the second area are partitioned from each other by a partition.

5 . The power supply system according to claim 1 , further comprising:

a third power supply circuit configured to supply, to a third load device, the direct current electric power output from the first power generation device;

a fourth power supply circuit configured to supply, to a fourth load device, the direct current electric power output from the second power generation device; and

a second connection circuit including a third connection device configured to connect a positive side of the third power supply circuit and a positive side of the fourth power supply circuit, and a fourth connection device configured to connect a negative side of the third power supply circuit and a negative side of the fourth power supply circuit, wherein

the second connection circuit includes:

a positive wire connected to a positive side of the third power supply circuit and positive side of the fourth power supply circuit, and

a negative wire connected to a negative side of the third power supply circuit and a negative side of the fourth power supply circuit,

the third connection device is disposed on the positive wire of the second connection circuit,

the fourth connection device is disposed the negative wire of the second connection circuit,

a distance between the third connection device and a portion at which the positive wire of the second connection circuit is connected to the positive side of the third power supply circuit is a fifth distance, a distance between the third connection device and a portion at which the positive wire of the second connection circuit is connected to the positive side of the fourth power supply circuit is a sixth distance, the fifth distance being less than the sixth distance, and

a distance between the fourth connection device and a portion at which the negative wire of the second connection circuit is connected to the negative side of the third power supply circuit is a seventh distance, a distance between the fourth connection device and a portion at which the negative wire of the second connection circuit is connected to the negative side of the fourth power supply circuit is an eighth distance, the seventh distance being greater than the eighth distance,

the third power supply circuit is disposed between the first power supply circuit and the second power supply circuit, and

the second power supply circuit is disposed between the third power supply circuit and the fourth power supply circuit.

6 . The power supply system according to claim 1 , further comprising:

a first power storage device connected to the first power supply circuit in parallel with the first power generation device;

a second power storage device connected to the second power supply circuit in parallel with the second power generation device;

a first relay device including a first partial circuit that is a part of the first power supply circuit, and including a first disconnection device configured to disconnect the first power storage device from the first partial circuit;

a second relay device including a second partial circuit that is another part of the first power supply circuit, and including a second disconnection device configured to disconnect the first power generation device from the first partial circuit;

a third relay device including a third partial circuit that is a part of the second power supply circuit, and including a third disconnection device configured to disconnect the second power storage device from the third partial circuit; and

a fourth relay device including a fourth partial circuit that is another part of the second power supply circuit, and including a fourth disconnection device configured to disconnect the second power generation device from the third partial circuit, wherein

the first connection device is configured to connect a positive wire of the first partial circuit and a positive wire of the third partial circuit, and

the second connection device is configured to connect a negative wire of the first partial circuit and a negative wire of the third partial circuit.

7 . A moving object comprising the power supply system according to claim 1 .

8 . The power supply system according to claim 5 ,

wherein the first connection device, the second connection device, the third connection device, and the fourth connection device are partitioned by a partition.

9 . The power supply system according to claim 8 ,

wherein the partition is made of a flame-retardant material.