US Patent 12059944 Power distribution in transport refrigeration system

A transport refrigeration system includes a refrigeration unit including a controller configured to control the refrigeration unit: an electric power device configured to provide power to a refrigeration component of the refrigeration unit: an export power module (EPM) including: an EPM controller in communication with the controller: a power control device configured to receive power from the electric power device: an auxiliary device coupled to the power control device: wherein the controller is configured to communicate with the EPM controller to control power supplied from the electric power device to the auxiliary device.