Transport climate control system with an accessory power distribution unit for managing transport climate control loads

A power distribution unit for use with a transport climate control system, the power distribution unit comprising:

• a first interface communicating with an electrical supply equipment, the electrical supply equipment being an electric vehicle supply equipment;
• a second interface communicating with a second power source, the second power source being an AC power source;
• at least one power input configured to receive electrical power from at least one of the electrical supply equipment and the second power source;
• an accessory power interface configured to provide electrical power to the transport climate control system;
• a vehicle power interface configured to provide electrical power to a vehicle electrical system of a vehicle, the vehicle electrical system having a vehicle electrical storage device;
• at least one switch or at least one converter configured to selectively connect the at least one power input to a power bus, and selectively connect the power bus to at least one of the accessory power interface and the vehicle power interface;
• a controller configured to control the at least one switch or the at least one converter to provide electrical power to at least one of the transport climate control system and the vehicle electrical storage device;
• an AC to DC converter configured to selectively receive power from the second interface and provide DC power to at least one of the accessory power interface and the vehicle power interface;
• and
• a bypass switch connected between the second interface and at least one of the accessory power interface and the vehicle power interface;
• wherein the controller is configured to determine when a voltage of the second power source matches a voltage of the transport climate control system or a voltage of the vehicle electrical system and connect the bypass switch to bypass the AC to DC converter to provide electrical power from the second power source directly to the transport climate control system or to the vehicle electrical system.