Abstract: A method of controlling the output inverter of a microsource in a distributed energy resource system is disclosed. Embodiments of the invention include using unit or zone power controllers that reduce the operating frequency of the inverter to increase its unit output power. Preferred embodiments includes methods wherein the inverter reaches maximum output power and minimum operating frequency at the same time, and further comprising using a voltage controller implementing a voltage vs. reactive current droop. Other aspects of this embodiment relate to an inverter that implements such methods, and a microsource containing such an inverter. These methods can be extended to control inverters in a plurality of microsources, organized in a single zone or in a plurality of zones.

Abstract: An uninterruptible power supply (UPS) includes a plurality of UPS modules. Each of the UPS modules has a battery that provides power to a protected load in the event of a utility power failure. A plurality of controllers control how much power each of the batteries deliver to the protected load, and a communication bus allows the controllers to exchange information about the battery voltages. One of the controllers calculates the average battery voltage of the plurality of batteries and adjusts the amount of energy provided by an individual battery such that the battery voltage is about equal to the average battery voltage.

Abstract: An information handling system having a modular DC-DC standby power converter with programmable sequencing. The modular DC-DC standby power converter comprises a plurality of DC inputs and a plurality of DC outputs. The modular DC-DC standby power converter may also be bypassed and/or put into an off-state such that a voltage(s) of at least one output of the converter may then be the same voltage(s) of at least one input. When the modular DC-DC standby power converter is bypassed and/or in the off-state, its outputs may be at a high impedance. The output voltage(s) may be adjusted for specific system requirements. Turn-on and turn-off sequencing of the output voltage(s) may be programmed. The modular DC-DC standby power converter may have short circuit protection.

Abstract: A vehicle electrical system includes at least one battery, at least one fan and a device for detecting a critical state in the vehicle electrical system. The fan is activated when a critical state of the vehicle electrical system is detected. In this context, use is made of the fan's ability to store mechanical energy in the form of inertias. The fan operates in a regenerative manner and electrically feeds the mechanically stored energy back into the on-board electrical system.

Abstract: A semiconductor device is composed of a first circuit receiving a first power supply voltage; and a second circuit receiving a second power supply voltage. The second power supply voltage is higher than the first power supply voltage. Such device arrangement is effective for reducing the soft error rate, when the second circuit is more susceptive to a soft error than the first circuit, especially when the second circuit is a memory device.

Abstract: A method is disclosed to install a component in an information storage and retrieval system. The method provides an information storage and retrieval system comprising a system processor and system data, and a component comprising persistent component data. The method attaches the component to the information storage and retrieval system while the information storage and retrieval system remains in normal operation, and determines, while the information storage and retrieval system remains in normal operation, if the component is compatible with the information storage and retrieval system. If the component is compatible with the information storage and retrieval system, the method then places the component into service while the information storage and retrieval system remains in normal operation.

Abstract: Typical battery backup solutions for network devices provide power for a limited range of services over a limited duration, and lack user serviceability. A configurable, redundant battery solution according to an example embodiment of the invention employs two or more battery backup units (BBUs) available to a device. The device and BBUs are responsive to respective configuration data directing usage of the BBUs and/or operation of the device. In the event of a power failure, the BBUs provide power to the device based on their respective configuration data. Through use of the at least one embodiment, an Optical Network Terminal (ONT) in a Passive Optical Network (PON) can be configured by a service provider to provide eight hours of emergency dial-out call service and configured by a user to provide other services, such as Internet Protocol Television (IPTV) and data services, in a customized manner during a backup power condition.

Abstract: An uninterruptible power supply (UPS) system includes at least three UPSs configured to be connected in parallel to a common load. The system further includes control circuitry configured to support at least two redundant groups among the UPSs and to support at least two redundant subgroups among at least one of the redundant groups of UPSs. In this manner, a nested redundancy may be provided.

Abstract: An alternative power source provides alternating current (AC) through a proper connector into a first outlet of a pre-existing electrical distribution system which is normally powered by an alternating current electrical power supply through main breakers and a breaker box. At least one of the breakers which controls power from the normal AC electrical power supply on the electrical distribution system is opened prior to connecting the alternative power supply. The alternative power supply provides electricity through the proper connector into the first outlet, or node, to provide alternating current to a selected portion of the electrical distribution system, and possibly to both halves of the pre-existing electrical distribution system if the proper connector is connected to a 240 volt outlet, or if two proper connectors are utilized and connected to first and second outlets with the first and second outlets on each of the two phase (power) wires of the pre-existing electrical distribution system.

Abstract: A multi-input power converter and an uninterruptible power supply (UPS) having the same, wherein the multi-input power converter has input connection means, inductor means, switch means, rectifier means, output storing means and switch control means. The inductor means is electrically connected to the input connection means. The switch means is electrically connected to the inductor means for conducting input currents. The switch control means is electrically connected to the switch means to control the inductor means charging the input currents and discharging the input currents to the output storing means to perform the DC to DC converting, AC to DC converting and power factor correction functions by controlling the switch means turning on and off.

Abstract: A backup power supply is so constructed that it is provided with multiple DC backup power supplies 111 to 11N, each containing nickel-metal hydride battery, stored upright on the bottom of the disk array unit 100; cooled by cooling air through the vents 1011 for ventilation from the bottom to the top; and connected with the output of the AC/DC converters 121, 122 with the backboard 151. Very compact disk array unit with an uninterruptible power supplying function can be realized.

Abstract: The present invention includes plural power supplying units, a power distributing backplane and more than one protection circuits, wherein the power supplying unit produces an output power and the power distributing backplane integrates the output powers from plural power supplying units and distributes thereof into plural driving powers for supplying loads. The power circuit for the driving power to drive each load has a protection circuit mounted thereon, wherein the protection circuit detects a driving condition of the load or the power circuit, and according thereto, the protection circuit becomes open or close so as to disconnect or maintain the driving power. Therefore, the abnormal driving power will not influence the operation of the whole power system and other normal loads still can maintain operation. Furthermore, since plural power supplying units are used to provide the power needed by loads, the power capacity will not be wasted.

Abstract: A power management system is provided that includes a power supply means comprising a plurality of power supply strings, a testing means operably connected to said plurality of power supply strings for evaluating performance characteristics of said plurality of power supply strings, and a control means for monitoring power requirements and comprising a switching means for controlling switching of said plurality of power supply strings to said testing means.

Abstract: A power distribution system for retrofitting to a household or other building. The power distribution system includes a means for supplying energy to the power distribution system for an indeterminate period of time. The power distribution system further comprises a means for converting the energy supplied to the power distribution system into motion. A generator is operatively connected to the energy converting means and converts the motion produced by the energy converting means into an electric current. The electric current produced by the generator is used to power a high-load circuit. An AC-DC Charger and or alternator is also operatively connected to the energy converting means. The alternator is configured to convert the motion produced by the energy converting means into another electric current. The AC-DC Charger and or alternator transmits this electric current to a bank of batteries which stores the charge.

Abstract: A natural energy power supplying apparatus includes an AC power supply, an inverter, a UPS control circuit, a discharging control circuit, a battery, an electromagnetic switch, a natural energy power supply (NEPS) and a charging control circuit. The inverter is connected to the AC power supply in parallel for converting DC power to AC power. The UPS control circuit is connected to the AC power supply for converting between an AC power and a DC power. The discharging control circuit is connected to the UPS control circuit. The battery is connected to the UPS control circuit and the discharging control circuit respectively. The electromagnetic switch, having multiple normally open switches and multiple normally closed switches, is connected to the AC power supply. The NEPS is connected to the inverter by the normally open switches. The charging control circuit is connected to the NEPS by the normally closed switches, to the battery, to the discharging control circuit, and to the UPS control circuit.

Abstract: A UPS system includes one or more UPS units with identical or different capacities. A control circuit, used to control a DC/AC inverter of the UPS unit, includes a voltage feedback control circuit and a current feedforward control circuit. The voltage feedback control circuit is used to control the amplitude and the waveform of load voltage. The current feedforward control circuit is used to operate the DC/AC inverter of the UPS unit as a virtual fundamental resistor and a virtual harmonic resistor which are serially connected to an output terminal of the DC/AC inverter such that each UPS unit can be distributed to provide an output current according to the capacity ratio of the UPS system.

Abstract: A system and method for isolating sources and loads of a power system are disclosed. Briefly described, one embodiment includes at least a DC bus operable at a DC bus voltage; a non-isolated first primary converter module electrically coupled to the DC bus and operable to receive a first amount of power from a first power source, and operable to convert the received power from the first power source into a first amount of DC power at the DC bus voltage; and an isolated second primary converter module electrically coupled to the DC bus and operable to receive a second amount of power from a second power source, and operable to convert the received power from the second power source into a second amount of DC power at the DC bus voltage, wherein the second power source is electrically isolated from the DC bus by the isolated second primary converter module.

Abstract: A power supply apparatus is disclosed herein. The power supply apparatus includes a power output, a first power source selectively connectable to the power output, and a second power source selectively connectable to the power output. A switch is configured to couple the first power source with the power output until the first power source becomes substantially depleted. The switch is also configured to couple the second power source with the power output after the first power source becomes substantially depleted. An indicator is configured to precisely convey the amount of power remaining in the power supply apparatus after the first power source becomes substantially depleted.

Abstract: A power supply system is disclosed. The system may include at least one engine configured to provide a mechanical power output. The system may further include at least one generator operatively coupled to the at least one engine and configured to convert at least a portion of the mechanical power output into an AC electrical power output at a first frequency. The system may further include an uninterruptible power supply electrically coupled to the at least one generator, the uninterruptible power supply having at least one energy storage device configured to store an electrical power. The uninterruptible power supply may further include a power conversion device electrically coupled to the at least one energy storage device and the at least one generator and configured to convert the AC electrical power output at the first frequency and the electrical power stored in the at least one energy storage device to an AC electrical power at a second frequency.

Abstract: A power switch device and method for a cluster computer is described. A power input circuit receives plural input powers and plural state signals corresponding to the input powers. A first output circuit supplies the input powers to a head node and at least one compute node. A second output circuit supplies the input powers to the head node. A gate produces a switch signal according to the state signals. According to the switch signal, a switch module connects the power input circuit to the first output circuit or the second output circuit. And a spare power module, connected to the first and second output circuits, stores a spare power charged from the first output circuit and supplies the spare power to the second output circuit during a switch period.

Abstract: A power control apparatus of a complex terminal is disclosed that includes a DC/DC converter for outputting an auxiliary power supplied from an auxiliary battery after adjusting a level of voltage of the auxiliary power to a required input voltage level of the complex terminal; a second voltage sensor for measuring voltage of a main power outputted from a main battery, and controlling the auxiliary power of the auxiliary battery to be inputted to the DC/DC converter before the measured voltage of the main power becomes lower than a predetermined voltage; and a first voltage sensor for interrupting supply of the main power from the main battery to the complex terminal and controlling the auxiliary power outputted from the DC/DC converter to be supplied to the complex terminal, when the measured voltage of the main power becomes lower than the predetermined voltage.

Abstract: Disclosed is a power supply module for use in an electronic system having redundant power supply modules connected to a power bus. The power supply module includes an output filter. The output filter is configured, upon insertion of the power supply module into the electronic system during operation of the electronic system, to limit reverse current flow into the power supply module from the power bus for a period of time until steady state voltage conditions exist on the power bus. The output filter is configured to then remove the current-limiting, leaving an output inductor-capacitor filter.

Abstract: A loadcenter supplies power to a non-critical load, a critical load and an ultra-critical load, and is capable of isolating a first distribution panel distributing power to the non-critical load from a second distribution panel distributing power to the critical load to enable the isolated distribution panels to be supplied with power from separate generator power sources in response to power supplied by a utility power source to both distribution panels becoming unacceptable. A third distribution panel distributes power to the ultra-critical load and is selectively supplied with alternating current (AC) power from either the second distribution panel, when the second distribution panel has AC power, or from AC power generated from direct current (DC) power stored in a battery when the second distribution panel lacks AC power.

Abstract: An uninterruptible power supply and its load device are connected by a network, and the load device to which power is fed by the uninterruptible device properly executes shutdown processing. Communication means 49 of uninterruptible power supplies 2 and 3 communicate with a load device 4 to which they themselves feed power, via a network 5. UPS storage means 47 stores a waiting time until the load device 4 starts shutdown after it is notified of detection of power abnormality of an AC power supply 6. Notification means 48 causes the communication means 49 to provide notification of a remaining time until start of shutdown, in a time period until a time period corresponding to the waiting time (67) stored in the UPS storage means 47 elapses after power abnormality of the AC power source 6 is detected.

Abstract: The present invention is a device that includes a rectifier and a super capacitor packaged together in a single housing. The device has a first connection point that is coupled to the rectifier input. The output of the rectifier is coupled to a first side of the capacitor and to a second connection point of the device. The second side of the capacitor is coupled to ground through a third connection point. The device is operable to receive AC power and provide DC power. Moreover, through the operation of the super capacitor, the device will provide DC power for a time after AC power has been removed.

Abstract: One embodiment of the present application is directed to a protection technique for a back-up electric power generation system. This system includes an electric power generator, generator control circuitry, electrical output sensors to provide one or more corresponding signals, electrical switching equipment to selectively couple the generator to an electrical load, and electric power feeder conductors to route electric power from the generator to the switching equipment. The control circuitry is responsive to the sensor signals to determine if a shut-down condition exists as a function of a protection profile determined for the system. This profile may account for damage thresholds of the generator, the feeder conductors, and the electrical switching equipment for each of a number of different combinations of level and duration of electrical output as represented by the sensor signals.

Abstract: A controlling method of uninterruptible power supply system comprising a first UPS and a second UPS for continuously providing power to a load is disclosed. The controlling method includes the steps of (a) determining if the first UPS is normal; (b) providing power to the load via the first UPS when the first UPS is normal and determining if the second UPS is normal when the first UPS is abnormal; and (c) providing power to the load through the second UPS when the second UPS is normal and providing the power to the load through a bypass route when the first UPS and the second UPS are both abnormal.

Abstract: A power system for cooling backup computer storage facilities having eight independent levels of redundancy for the power supply to allow the storage facility to survive even extreme and debilitating events and having redundant communications. If power from the existing gas or electric grid is lost, a series of back-up energy sources provide energy to run the micro-turbines and generate the power to run the servers and the HVAC system that cools the servers. In the event that the existing power grid is interrupted, the redundant power supplies are automatically engaged without disruption of the load. If the existing gas and/or electric power grids are disrupted, the storage facility is powered/cooled by a micro-grid having its own independent redundant sources of power.

Abstract: A method and system for providing backup electrical power to at least one wind turbine is provided. The method may include monitoring a first power system. The method may also include enabling a second power system when the first power system may no longer provide sufficient electrical power to the wind turbine. The method may also disable the second power system when the first power system can again provide sufficient electrical power to the wind turbine.

Abstract: The present disclosure provides a method and system using a power protector, such as an uninterruptible power supply (power protector) or a power line conditioner. An input of the power protector can be coupled to an output of one or more of circuit breakers using electrical buss bars for unique modularity and easy installation and replacement. Further, an input of a second set of circuit breakers can be coupled to an output of the power protector to backfeed the power through the second set of circuit breakers and out through the buss bar to one or more electrical loads. Additional power protectors can be used for capacity and/or redundancy. A stacked buss bar system can be used that consolidates the system into a compact assembly heretofore unknown in the industry. In at least some embodiments, the system can be compatible with standard panelboards having circuit breakers disposed therein.

Abstract: A redundant power distribution system and a method of providing redundant isolation are described. The system includes a normal operation circuit branch and an external bypass circuit branch, enhanced with a generator bypass connection, both connected to a critical load, the generator bypass circuit branch including a diverse, redundant power source. The normal operation circuit branch delivers power to the critical load during normal operations and the external bypass circuit branch delivers power to the critical load from the redundant power source via the enhanced generator bypass connection during bypass operations. The system also allows the critical load to be electrically isolated from all of or a portion of the normal operation circuit branch.

Abstract: A serial communications bus is utilized to send key action data between parallel UPS units. The communications bus is used to transmit data at the zero crossing of the critical bus voltage. Each UPS unit then takes action based upon the event data received at the next zero crossing of the critical bus voltage.

Abstract: An electrical appliance (20) that accepts multiple different self-contained power sources (24, 33). As an example, an electrical appliance may receive a rechargeable battery pack (24) or a power cartridge (33) that is designed to receive disposable batteries (40). If the user does not have sufficient power left in a battery pack (24), the power cartridge (33) may be filled with disposable dry cell batteries (40), and may be inserted in the electrical appliance (20) to provide power. Another self contained power cartridge (44) may include a fuel cell. The fuel cell power cartridge (44) may include removable fuel cell cartridges (48), for example, each having a fuel therein, such as hydrogen.

Abstract: The grid interconnection device connected to the bank where alternating-current power is transmitted and to the power supply device provided to a customer includes: a detector detecting start of the alternating-current power transmission based on a state of the alternating-current power; a receiver receiving a grid interconnection start instruction for starting grid interconnection between the bank and the power supply device; and a grid interconnection controller controlling the bank and the power supply device to be interconnected or separated, in which the grid interconnection controller starts grid interconnection between the bank and the power supply device upon receipt of the grid interconnection start instruction in a state where the start of the alternating-current power transmission is detected.

Abstract: A power conversion system includes a power generating apparatus, an auxiliary generation device that consumes power, an auxiliary-devised power source, a secondary battery device chargeable and dischargeable with power generated by the power generating apparatus, a bilateral DC/AC inverter that causes the power generating apparatus to cooperate with a commercial AC power source, and a switch unit provided between the commercial AC power source and the bilateral DC/AC inverter, DC terminals of the bilateral DC/AC inverter and an input of the auxiliary-devised power source, when the power generating apparatus generates no power, the switch unit is opened, the bilateral DC/AC inverter is stopped, and the voltage supplied from the secondary battery device to the auxiliary-devised power source is lower than that supplied from the secondary battery device to the auxiliary-devised power source when the power generating apparatus generates power.

Abstract: One embodiment of the present application is directed to a protection technique for a back-up electric power generation system. This system includes an electric power generator, generator control circuitry, electrical output sensors to provide one or more corresponding signals, electrical switching equipment to selectively couple the generator to an electrical load, and electric power feeder conductors to route electric power from the generator to the switching equipment. The control circuitry is responsive to the sensor signals to determine if a shut-down condition exists as a function of a protection profile determined for the system. This profile may account for damage thresholds of the generator, the feeder conductors, and the electrical switching equipment for each of a number of different combinations of level and duration of electrical output as represented by the sensor signals.

Abstract: In a co-generated power supply system for performing dispersed power supply to a load, a wind turbine generator, a solar cell and a fuel cell whose rated voltages are made equal to a rated voltage of a storage battery are used as DC power sources. These DC power sources, a commercial AC power source and the load are connected to each other via a bi-directional electronic transformer. Thus, the co-generated power supply system, in which the electric power of a natural energy system having many fluctuation factors is combined with stable electric power such as a load leveling battery or a fuel cell, allows the stable electric power to be supplied to the load via the electronic transformer commonly, thereby reducing the cost and enhancing the performance of the entire system.

Abstract: An arrangement for use in a safety notification system includes primary and secondary power sources and a voltage converter. The primary power source provides power to a notification appliance circuit of a notification system. The secondary power source includes at least one battery. The voltage converter is coupled between the battery and the notification appliance circuit of the notification system, and is configured to generate a regulated DC voltage from an output voltage generated by the second power source. In general, the secondary power source is employed when the primary power source is not available or otherwise is not functioning. However, the secondary power source may also be employed in other circumstances.

Abstract: A power supply apparatus includes first and second parallel-connected uninterruptible power supplies (UPSs), each including an AC/DC converter circuit and a DC/AC converter circuit having an input coupled to an output of the AC/DC converter circuit by a DC link, inputs of the AC/DC converter circuits of the first and second UPSs connected in common to an AC source and outputs of the DC/AC converter circuits of the first and second UPSs connected in common to a load. The first and second UPSs are configured to support a test mode wherein the first UPS is test loaded by transferring power from the output of the DC/AC converter circuit of the first UPS to the output of the DC/AC converter circuit of the second UPS. The first UPS may be configured to provide power to the load concurrent with test loading by the second UPS.

Abstract: A method for pulse width modulated pulse synchronization in a parallel UPS system uses the locally measured critical bus voltage to detect a zero crossing and adjust the PWM pulse to coincide with the zero crossing. No communication between the units is required to perform synchronization, and no “master” and “slave” relationship exists to thereby increase the total system reliability.

Abstract: An uninterruptible power storage device includes multiple power sources and an uninterruptible power equipment, wherein the uninterruptible power equipment has functions of rectification, transformation and charging and comprises a battery for storing electricity, multiple input terminals for connecting to multiple power sources, a built-in power source distributor, which has a power factor correction/PV inverter, two MPPT chargers and a bridge rectifier, and an output terminal for connecting to an electric appliance. Through a power distribution by the power source distributor, a best beneficial result of power supply combining the power sources at the input terminals can be achieved.

Abstract: A UPS with a multi-port DC bus operable to couple a plurality of intermittent external DC sources and intermittent external DC loads is disclosed. The invention includes renewable energy power systems with a UPS having a multi-port DC bus and a responsive energy storage means electrically coupled to the multi-port DC bus. An embodiment includes a renewable energy power system with a UPS having a multi-port DC bus having an external DC load coupling for supporting an external DC load. Exemplary DC sources disclosed include a pole-mountable wind turbine assisted by ducted hot air created by the waste heat from a solar-voltaic array that is also an exemplary DC source. A parking lot solar power system is also disclosed that is both a DC source and at least one DC load. A cogeneration system using the AC output of the UPS and the AC output of a genset is provided.

Abstract: The present invention constructs a flexible power supply backup system corresponding to electronic devices (apparatuses) at low cost, and realizes reliable operation of the apparatuses. There is provided a power controller 1 that controls power of an apparatus 100 provided with a backup power supply for power supply, which includes a power failure state determination unit 21 that determines the power failure state of the power supply, a power supply installation state determination unit 22 that determines the installation state of the backup power supplies 3, 7, etc. installed in the apparatus 100, and a power control unit 23 that, in case the power failure state is determined by the power failure state determination unit 21, controls power using the backup power supply based on determination result by the power failure state determination unit 21 and determination result by the power supply installation state determination unit 22.

Abstract: Disclosed is a parallel-connected uninterruptible power supply system connected with a power source and a load. The uninterruptible power supply system includes a power distribution circuit having a first connector, a plurality of uninterruptible power supplies having a plurality of second connectors, and a plurality of transmission lines having a plurality of third connectors. The first connectors, the second connectors and the third connectors each includes a first conducting structure and a second conducting structure. When the second conducting structure of the third connector is detached from the second conducting structure of the first connector or the second conducting structure of the second connector, the second conducting structures are detached from each other first so that the pull-down circuit of the corresponding uninterruptible power supply generates a control signal to a controller to stop the operation of the uninterruptible power supply.

Abstract: A power switching module provides power to a line amplifier in a broadband telecommunications network. The switch includes a first input port for connection to a first power source, a second input port for connection to a second power source, an input/output port for connection to a cable connecting the line amplifier with a remote amplifier, and an output port for connection to the line amplifier. A controller controls selection of the power source and provides power to the line amplifier from one the input ports and can provide power to, or receive power from, a power supply associated with the remote amplifier via the input/output port. A switch allows selection of a primary mode of operation or a secondary mode of operation. Another switch allows selection of a first operating voltage range or a second voltage operating range. A monitoring circuit communicates status information about the switching module to a remote location.

Abstract: The invention presents a battery-powered apparatus with an internal battery device and an external battery device for a portable system.

Abstract: A power system is designed for providing reliable electrical power to a facility and/or associated devices. The system includes one or more fuel cells and a circuit adapted to receive power from the one or more fuel cells. The circuit is electrically connected to a device receiving the electrical power from the system. Additionally, the system includes one or more capacitors included in the circuit, and being adapted for maintaining power in the circuit when the one or more fuel cells are temporarily unavailable.

Abstract: Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a power distribution system includes a first input to receive input power from the primary power source, a second input to receive input power from the backup power source, an output that provides output power from at least one of the primary power source and the backup power source, a first switch operatively coupled to the first input and the output and operative to selectively couple the first input to the output, a second switch operatively coupled to the second input and the output and operative to selectively couple the second input to the output, and a controller operatively coupled to the first switch and to the second switch and configured to control the first switch and the second switch to provide an electrical interlock.

Abstract: A system includes an electrical load formed by a number of circuits within a system performing telecommunication functions, primary and backup sources of electrical power, and a relay that switches an input to the electrical load from the primary source to the backup source in response to determining that a failure has occurred within the primary source. The backup source includes a microturbine driving a six-phase, high-frequency alternator, which is turned on in response to determining that such a failure has occurred, and, preferably, a battery array that provides backup power when adequate power is not available from the alternator driven by the microturbine.

Abstract: A backplane system for reconfigurable backplane power distribution includes circuit board slots, power entry modules, power distribution circuitry, and switching circuitry. The power distribution circuitry includes a first power configuration and a second power configuration and distributes the power from the power entry modules to at least one circuit board plugged into one of the circuit board slots. The switching circuitry switches between the first power configuration and the second power configuration to provide extended power capabilities.