Disclosed are systems and methods for a power control system for a vehicle having multiple power sources. The power control system may include a plurality of sensors associated with one or more power sources and a microcontroller configured to receive a plurality of signal inputs, wherein the microcontroller selects a power state for the power control system based at least in part on the plurality of signal inputs from the plurality of sensors. The power state may be selected from a group including a first power state, wherein power is provided to a critical power subsystem, an essential power subsystem, and an auxiliary power subsystem, a second power state, wherein power is provided to the critical power subsystem and the essential power subsystem of the vehicle, and a third power state, wherein power is provided only to the critical power subsystem of the vehicle.

Provided herein is a power distribution system comprising a feedback circuit including a transistor in series with a relay, the feedback circuit regulating regulate a main power path including a main power supply connected in series with an electric power converter. The power distribution system further comprises OR-ing controllers that regulate the main power path and a backup power path including a low-voltage battery. The power distribution system further comprises terminals through which power from the main power path or the backup power path is transmitted to respective components corresponding to channels. The power distribution system further includes a microcontroller that acquires data in each of the channels and control operations associated with each of the channels based on the acquired data.

Provided are a vehicle-mounted power source control apparatus, a vehicle-mounted power source apparatus, and a vehicle control method that are highly versatile. A power source control apparatus sets a setting value corresponding to a combination of loads to be connected to multiple output ports based on information determining a candidate value for a setting value for each combination of the loads. Also, control relating to backup is performed based on the set setting value. By doing so, it is possible to perform control relating to backup in a mode corresponding to the combination of the loads.

An apparatus leverages the existing power interconnect for DC power delivery by including a persistent DC power module into a power panel, thereby enabling a more efficient use of the energy. The persistent DC power module includes, in part, a control unit which is adaptive to the variations and availability of the external DC power source to ensure a constant and consistent delivery of DC voltage. The apparatus minimizes energy waste and e-waste, and is compatible with the existing legacy AC infrastructure.

A vehicle supplies stable and efficient power to a load of a vehicle during a failure or performance degradation of the vehicle by forming an isolated electrical network. The vehicle includes a power supply unit, an electrical network including at least one load configured to receive power from the power supply unit, and a sensor unit that acquires at least one of current flowing in a plurality of the electrical networks and a voltage supplied to the at least one load. A power distribution module determines an insolation required portion based on the current flowing in the electrical network and the voltage supplied to the at least one load, and connects or disconnects at least one point of the electrical network based on the isolation required portion to form an isolated electrical network.

An apparatus converts an AC power panel into a persistent DC power panel with a persistent power switch. The persistent power switch includes a removable power unit for coupling to the AC power switch in order to convert the AC power panel into a persistent DC power panel. The removable power unit can be mounted in the power panel or can be implemented as a stand-alone external device for connecting to the power panel.

Embodiments of this application disclose a power supply apparatus, a power supply system, and a data center designed to reduce the number of power conversion steps, equipment costs, and circuit loss. The power supply apparatus includes: a solid-state transformer configured to convert an alternating current into a first direct current; a first direct current/direct current converter, coupled to the solid-state transformer and configured to convert the first direct current into a second direct current; an energy storage component, coupled to the first direct current/direct current converter and configured to perform energy storage on the second direct current; and a second direct current/direct current converter, coupled to the first direct current/direct current converter and configured to convert the second direct current into a third direct current, where the third direct current is used to supply power to a load.

Techniques and mechanisms for providing redundancy with multiple batteries of a backup power system. In an embodiment, switch circuits are each coupled between a power bus and a different respective one of the multiple batteries. Respective nodes of the switch circuits are each to couple to a different respective power sink, wherein power delivery to the power sinks is monitored. Based on the monitoring, the switch circuits are configured for a first battery to serve a substitute for a second battery. Configuring the switch circuits includes electrically decoupling the second battery from a first node, and electrically coupling the first battery to deliver power via both a power bus and the first node. In another embodiment, multiple backup units each include a respective battery and switch circuit, wherein respective controllers of the backup units intermittently communicate monitoring information via a data bus.

A power distribution grid for a facility, such as a data center, is located within the facility. The power distribution grid includes a plurality of power transport elements arranged in a grid pattern and nodes located at intersections of the grid pattern. Electrical loads are supplied power via respective nodes of the power distribution grid. Also, each node is supplied power from more than two transport elements, such that one or more transport elements can fail and electrical loads connected to a particular node associated with the failed transport elements continue to receive electrical power supplied to the particular node from at least two different transport elements.

A power supply circuit includes a first direct-current to direct-current (DC-DC) converter circuit connected to a first load via a first bidirectional switch; a second DC-DC converter circuit connected to a second load and connected, via a second bidirectional switch, to the first load; and a control circuit that turns ON and turns OFF the first bidirectional switch and the second bidirectional switch in a complementary manner.