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 data center includes rack computing systems, electrical power system, and a circuit control device. The rack computing systems may include a rack and computing devices coupled to the rack. The electrical power system supplies power to computing devices in the racks. Each electrical power system may include overcurrent protection devices that protect computing devices in the rack computing systems from overcurrent conditions. The circuit control device is coupled to the overcurrent protection devices. The circuit control device can trigger the circuit protection devices to shed loads on the electrical power system from computing devices in the rack computing systems.

An autonomous energy supply network has energy producers and energy consumers that are driven by a local control device. The following steps reduce the parameterization outlay required for the operation of the autonomous energy supply network: provision of model data of the autonomous energy supply network in a data memory of a computing device superordinate to the local control device, the model data specifying the respective energy producers and their operating parameters; determination of an operating plan for the autonomous energy supply network with the computing device by using the model data, the operating plan specifying the operating state of the autonomous energy supply network during a particular time interval; transmission of the operating plan to the local control device; and driving of the energy producers and/or the energy consumers according to the specifications of the operating plan by the local control device.

The power supply system comprises an inter-system bus, one or more renewable energy systems and one or more second switches, where each second switch is coupled to one renewable energy system and to connect to the corresponding renewable energy system to the inter-system bus. The power supply system further comprises one or more current detection circuits, where each current detection circuit is coupled to one renewable energy system to detect an output current of the corresponding renewable energy system. The power supply system further comprises a central controller coupled to the inter-system bus and configured to, in response to the output current of the corresponding renewable energy system is higher than a predetermined threshold current, activate a corresponding second switch to connect the corresponding renewable energy system to the inter-system bus to provide a renewable power to at least one of the one or more server clusters, or storage systems.

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 distribution system is provided in this application, which includes a plurality of power distribution equipments, and the plurality of power distribution equipments are configured to supply power to a plurality of powered devices respectively. First power distribution equipment in the plurality of power distribution equipments includes: a first power module, configured to perform voltage conversion on an input voltage to obtain an output voltage, where the output voltage is a supply voltage of the first power distribution equipment; and a first cascading circuit, configured to connect an output of the first power module to an output of a power module in power distribution equipment in the power distribution system other than the first power distribution equipment, where the first power distribution equipment is any power distribution equipment in the power distribution system. A server system which includes the power distribution system is also disclosed in this application.

An open concept computer cart has a frame, a lower computer storage shelf supported by the frame, an upper computer storage shelf supported by the frame, and a forward-facing brick storage area formed vertically intermediate the upper and lower computer storage shelves. The upper and lower computer storage shelves are rearwardly inclined to prevent computers stored thereon from sliding off of the shelves. A single wiring retention strip is formed along a front surface of the open concept computer cart, and a power outlet strip is formed along a rear of the brick storage area. The wiring retention strip has wire retention cutouts formed along its length to retain charging tethers for computers stored on both the upper and lower computer storage shelves.

In one embodiment, an apparatus includes a power supply operable to output power to a load along with at least one other power supply, a sensing component for identifying a load level, and a control component for switching the power supply from a full power mode to a power saving mode based on the identified load level. The power supply shares current with the other power supply at a lower current and generally the same voltage as the other power supply while in the power saving mode.

A technique includes determining first power received via a first serial bus connector of the machine; and allocating a second power communicated via a second serial bus connector of the machine based on the determined first power.

An integrated communication power system supplies power to a communication equipment, and the communication equipment includes a base station module and an antenna processing module. The integrated communication power system includes a first transfer switch, a first integrated conversion module, a DC conversion module, and an energy storage module. The first transfer switch selectively switches one of input sources and a renewable energy to be coupled to the first integrated conversion module to receive an input voltage. The first integrated conversion module converts the input voltage into a DC voltage, and the DC conversion module provides an output voltage to supply power to the antenna processing module according to the DC voltage. The energy storage module receives an energy storage voltage provided by the first integrated conversion module or the DC conversion module to supply power to the base station module.