Systems, apparatuses and methods may provide for technology that initiates a boot of a computing system containing an embedded controller while the computing system is in a low power mode, conducts a verification that code to perform the boot is uncorrupted, and negotiates an increased power delivery with a source device connected to the computing system if the verification is successful.

A method for controlling a battery-powered power supply. The method includes generating a first output from a first power supply within the battery-powered power supply. The first output is coupled to an output bus. The method further includes monitoring a voltage of the output bus, and determining, using a controller of the battery-powered power supply, whether the voltage of the output bus is less than a first predetermined level. The method further includes deactivating the first power supply in response to determining that the voltage of the output bus is below the first predetermined level, and generating a second output from a second power supply within the battery-powered power supply. The second output is configured to be coupled to the output bus. The second power supply has a higher output rating than the first power supply.

This application provides a power supply method for a data center. The data center includes a first device and at least one second device, an importance of a first service in the first device is higher than an importance of a second service in the at least one second device, and the second service in the at least one second device is transferable. A power supply apparatus includes a first uninterruptible power supply UPS and a second UPS, the first UPS is configured to control a first power source and a first energy storage apparatus to supply power to the first device, and the second UPS is configured to control the first power source and a second energy storage apparatus to supply power to the at least one second device.

A power conversion system is coupled between a power grid and a load. The power conversion system includes a battery, a first converter, a second converter and a DC/DC converter. The first converter is configured to selectively convert an input power from the power grid into a first charging power when the power grid is operated normally. The second converter is configured to convert the input power from the power grid into an output power when the power grid is operated normally. The DC/DC converter is electrically connected between the battery and the second converter. The DC/DC converter is configured to convert a storage power in the battery into a backup power when the power grid is not operated normally.

A standby solution for extended run time power systems for a load at a telecom site with backup power includes an interface distribution module including a battery bus, a lithium battery electrically connected to the battery bus, a charging rectifier electrically connected to the interface distribution module. The standby solution has a line mode, wherein the charging rectifier maintains a constant maximum voltage level of the lithium battery, a discharge mode, wherein the interface distribution module engages a discharge bias to enable discharge of the lithium battery to the load, and a charge mode, wherein the interface distribution module disengages the discharge bias to disable discharge of the lithium battery.

Methods and systems are provided for managing environmental conditions and energy usage associated with a site. One exemplary method of regulating an environment condition at a site involves a server receiving environmental measurement data from a monitoring system at the site via a network, determining an action for an electrical appliance at the site based at least in part on the environmental measurement data and one or more monitoring rules associated with the site, and providing an indication of the action to an actuator for the electrical appliance.

The invention relates to a power distribution system (1), especially a Power-over-Ethernet system, comprising at least one dominant sensor, which may be located within a powered device (4) like a lighting device, and at least one non-dominant sensor, which may be located within another powered device (4), wherein the power distribution system is adapted such that in a system low power mode the at least one dominant sensor (6) consumes power provided by a power providing unit (3) and the at least one non-dominant sensor (6) does not consume the provided power and that the power distribution system (1) switches from the system low power mode to a system high power mode, if the at least one dominant sensor (6) has sensed an event. Since in the system low power mode the at least one non-dominant sensor does not consume power, the power consumption can be reduced.

A DC switch with embedded de-multiplexing function links a plurality of DC switches in a priority chain and enables concurrent power switching between DC switches. The priority chain automatically selects a most cost-effective power for output to optimize energy utilization efficiency and with a just-in-time enable to activate standby-power to minimize energy waste in persistent DC power.

A water heater can include a housing and a heating system disposed within the housing, where the heating system is configured to heat a fluid. The water heater can also include a switch coupled to the heating system, where the switch operates between a first position during normal operations and a second position during an outage. The water heater can further include a primary power source coupled to the switch, where the primary power source is configured to provide primary power to the heating system through the switch during the normal operations. The water heater can also include an uninterruptible power supply (UPS) coupled to the switch, where the UPS is configured to provide reserve power to the heating system through the switch during the outage, and where the UPS is integrated with the housing.

Disclosed herein is a dynamic backup battery for updating the firmware of a media device. The media device includes a memory device that is electrically coupled to a port. The port of the media device is configured to receive a first power. The media device also includes a battery that is electrically coupled to the port and is configured to supply a second power to the port. The media device includes a processor electrically coupled to the battery and is configured to monitor the power level of the first power received and based on the power level of the first power received falling below a threshold value, the battery supplies a second power to the port of the media device. The processor is further configured to activate a low power mode, detect an event while in low power mode, deactivate low power mode, perform a task, and reactivate low power mode.