A power distribution system is provided that ensures that a car is able to operate safely in an autonomous mode. The system includes multiple power rails, including a pair of safety critical power rails. Associated with each safety critical power rail is a safety switch, vehicle sensors (e.g., vehicle location and obstacle sensors), vehicle actuators (e.g., braking and steering actuators) and an autonomous control unit. If a fault is detected during vehicle initialization or general operation, the safety switch which detected the fault opens and that particular power rail is decoupled from the general purpose power rail as well as the remaining safety critical power rail. The remaining safety critical power rail is then able to provide power to a sufficient number of sensors, actuators and controllers to allow the car to safely and autonomously complete an emergency stop on the side of the road.

A vehicle power supply circuit including a power source input for receiving an input current having an input voltage is disclosed. A first branch and a second branch are each connected to the power source input. Each branch includes a converter for converting the input current to an output current. A first distribution unit is connected to each converter for receiving the output current and includes a plurality of first outputs for supplying power to a plurality of loads.

A power distribution system is provided that ensures that a car is able to operate safely in an autonomous mode. The system includes multiple power rails, including a pair of safety critical power rails. Associated with each safety critical power rail is a safety switch, vehicle sensors (e.g., vehicle location and obstacle sensors), vehicle actuators (e.g., braking and steering actuators) and an autonomous control unit. If a fault is detected during vehicle initialization or general operation, the safety switch which detected the fault opens and that particular power rail is decoupled from the general purpose power rail as well as the remaining safety critical power rail. The remaining safety critical power rail is then able to provide power to a sufficient number of sensors, actuators and controllers to allow the car to safely and autonomously complete an emergency stop on the side of the road.

A three-port converter with a wide input range and a control method thereof are provided, which relates to a technical field of power electronic converters. The converter is provided with three ports of a photovoltaic cell PV, a storage battery Bat and a resistance load R, and includes a boost circuit (Boost) and a reversible boost-buck circuit (Sepic-Zeta). The boost circuit is configured to connect the photovoltaic cell PV and the load R; and the reversible boost-buck circuit is configured to connect the photovoltaic cell PV, the storage battery Bat, the storage battery Bat and the load R. The three-port converter of the present disclosure has advantages of a small size, a wide input range, a high integration level, high stability, high conversion efficiency, etc.

A power management system for managing power of a climate control unit (CCU) configured to be used with at least one of an electric vehicle, a trailer, or a transport container and at least partially powered by the electric vehicle is disclosed. The system includes a power distribution system that includes a power input, a power distributor electrically connected to the power input, a fault detecting and isolating circuit electrically connected to the power input, and a connection point for receiving the CCU. The connection point is electrically connected to the fault detecting and isolating circuit. A power controller is electrically connected to the power distribution system. The power controller includes a processor and a memory.

A switch arrangement for providing alternative distribution paths in a system for distributing electrical power in a vehicle including electrical power supplies and electrical loads. The switch arrangement includes a first switch configured to be connected to a first electrical element, a second switch configured to be connected to the first electrical element and a second electrical element, and a third switch configured to be connected to the second electrical element and a third electrical element. Each of the first, second, and third switches is independently controllable, and selective operation of each of the first, second, and third switches to its open or closed state interconnects at least two of the first, second, and third electrical elements to establish one of multiple alternative distribution paths to connect one of the power supplies and one of the loads or to connect two of the power supplies.

Some embodiments provide a DC power distribution system that includes a plurality of DC sources coupled to a plurality of DC buses via respective protection devices that are configured to selectively cause an open-circuit between the DC source and the respective DC bus in the event of a fault or overload condition on the respective DC bus. The plurality of DC buses are coupled to a load combiner, and the system is configured to supply power in parallel from the DC sources via the plurality of DC buses to at least one DC/DC step-down converter via the load combiner, which combines the power supplied via the plurality of DC buses. The DC buses, load combiner, and the DC power sources are configured such that the total maximum load current is capable of being supplied via less than all of the plurality of DC buses in the event that any one of the DC buses is non-operational.

An example system includes a first plurality of nacelles located on a first side of an aircraft, wherein each nacelle of the first plurality of nacelles includes an electric motor coupled to a propulsor, wherein an outboard nacelle of the first plurality of nacelles includes an electrical energy storage system (ESS) coupled to a first electrical bus; and a second plurality of nacelles located on a second side of the aircraft, wherein each nacelle of the second plurality of nacelles includes an electric motor coupled to a propulsor, wherein an outboard nacelle of the second plurality of nacelles includes an ESS coupled to a second electrical bus.

Embodiments of this application disclose power feeding equipment and a power supply method, which relate to the field of power supply technologies, and resolve a problem that power supply efficiency of an existing power architecture is low, and high efficiency and energy saving cannot be implemented. A specific solution is power feeding equipment, including a power interface, a control unit, and N first power units. The power interface is coupled to each first power unit, and each first power unit is further coupled to a powered system. The control unit is coupled to each first power unit, and output power of the N first power units is greater than or equal to maximum required power of the powered system.

A power source supply control device includes controllable switch units configured to switch provision or non-provision of power source electric power supply to respective loads from a main power source, load monitor units configured to monitor a state in each of one or more of the loads connected to downstream sides of switch units, and a switch control unit configured to control on/off of each of the switch units sequentially, based on monitor situations of the load monitor units, in which the switch control unit specifies an energization switching order to the loads according to a predetermined state.