Power supply system

A power supply system provided with a battery, and a charger that converts a voltage of power input from an external power supply through a charging port into a voltage required for charge of the battery, comprising:

• an intra-system power supply device that is connected between the charging port and the charger, wherein
• the charger includes:
• a rectification circuit that converts an alternating current voltage of the input power into a direct current voltage;
• and
• a booster circuit that boosts the direct current voltage toward a voltage of the battery, wherein
• the power supply device is provided with a voltage converter that converts a voltage of output power of the power supply device into a voltage corresponding to a voltage of the external power supply, and
• an output terminal of the voltage converter is connected between the rectification circuit and the booster circuit.

A power supply system provided with a battery, and a charger that converts a voltage of power input from an external power supply through a charging port into a voltage required for charge of the battery, comprising:

• an intra-system power supply device that is connected between the charging port and the charger;
• and
• a direct converter that converts a voltage of output power of the power supply device into a voltage of the battery, wherein
• the power supply device is provided with a voltage converter that converts the voltage of the output power of the power supply device into a voltage corresponding to a voltage of the external power supply, and
• when output power of the power supply device exceeds a capacitance of the charger, power is supplied to the battery from the power supply device through the direct converter.

A power supply system provided with a battery, and a charger that converts a voltage of power input from an external power supply through a charging port into a voltage required for charge of the battery, comprising:

• an intra-system power supply device that is connected between the charging port and the charger;
• and
• a direct converter that converts a voltage of output power of the power supply device into a voltage of the battery, wherein
• the power supply device is provided with a voltage converter that converts the voltage of the output power of the power supply device into a voltage corresponding to a voltage of the external power supply, and
• in the power supply device, when an upper limit voltage of an auxiliary power supply that supplies a voltage of power input to the voltage converter is lower than 60V, an insulating converter configures the voltage converter.

A power supply system provided with a battery, and a charger that converts a voltage of power input from an external power supply through a charging port into a voltage required for charge of the battery, comprising:

• an intra-system power supply device that is connected between the charging port and the charger;
• and
• a direct converter that converts a voltage of output power of the power supply device into a voltage of the battery, wherein
• the power supply device is provided with a voltage converter that converts the voltage of the output power of the power supply device into a voltage corresponding to a voltage of the external power supply, and
• in the power supply device, when an upper limit voltage of an auxiliary power supply that supplies a voltage of power input to the voltage converter is 60V or higher, a non-insulating converter configures the voltage converter.