Abstract: A system, method and apparatus for power bus distribution and maintenance.

Abstract: An electric network architecture for confined environments, includes: a main network including a plurality of electric wires capable of supplying in parallel electric power along the confined medium to a same load, wherein each wire is protected and can be insulated at each end; a primary distribution assembly including at least one primary distribution subassembly including a selection element connected to at least one of the wires and to a dedicated electric power source; at least one secondary distribution assembly connected to at least a portion of the main network and for powering at least one dedicated load, wherein each secondary distribution assembly includes at least one selection element connected to an output terminal to which an electric load is to be connected, the selection element being capable of closing or opening the electric link established between the output terminal and at least one of the wires of the main network.

Abstract: Provided is an AC power supply apparatus including a first AC power supply generation unit that generates a first AC voltage for a first terminal corresponding to a u-phase; a second AC power supply generation unit that generates a second AC voltage for a second terminal corresponding to a v-phase; a third AC power supply generation unit that generates a third AC voltage for a third terminal corresponding to a w-phase; and a control unit that controls a phase and an amplitude of each of the AC voltages output from the first to third AC power supply generation units, in such a manner that the amplitude and the phase of each of the first to third AC voltages output to the first to third terminals, respectively, match an amplitude set value and a phase set value preliminarily set for each of the AC voltages.

Abstract: A freestanding solar-powered charging system includes a baseplate, a substantially vertical frame member having a first end and a second end, the first end coupled to and extending from the baseplate, one or more panels coupled to the second end of the vertical frame member, each of the panels having an upper surface with a photovoltaic cell, an energy storage device electrically coupled to the photovoltaic cell, and one or more electrical connectors supported by the vertical frame member and electrically coupled to the energy storage device, the electrical connectors configured to engage any one or more of a plurality of consumer electronic devices for charging the consumer electronic devices.

Abstract: A mobile power system comprises a plurality of energy sources, wherein at least one energy source is a solar powered generating device and at least one energy source is a wind powered generating device; a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and/or convert the power generated to direct current power; a plurality of batteries configured to store the direct current power; and one or more transportable housings configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, and the plurality of batteries during transport of the housing, and wherein the at least one solar powered energy device and the at least one wind powered generating device are disposed remotely from the housing when the mobile power system is in operation.

Abstract: A power supply system is for supplying power to a number of loads, and includes a number of plugs, a number of power supply modules of the same type, and a number of current distribution modules. The plugs are respectively used for connecting to an external power source, to obtain alternating current. The power supply modules are connected to the respective plugs for converting the alternating current into direct current and providing the direct current to the loads according to the requirements of the loads. Each power supply module includes a positive electrode and a negative electrode, both of which connect to a corresponding load. The current distribution module electrically connects the positive electrodes to each other, and electrically connects the negative electrodes to each other, such that the power supply modules are connected in parallel.

Abstract: Embodiments of the present invention include a power supply device having one or more converters (DC/DC and/or AC/DC) that convert input power supplied from one or more power sources, and a secondary battery which is charged by receiving power supplied from power sources. In addition, however, the power supply device has the unique feature of increasing power output by serially connecting the secondary battery to the DC/DC converter and/or AC/DC converter. In this regard, the secondary battery may comprise a Lithium Ion battery.

Abstract: A mobile power system includes a plurality of energy sources including a solar powered generating source and a plurality of electronic and telecommunications components configured to receive the power generated by the plurality of energy sources and convert the power generated to direct current power. The system also includes a plurality of batteries configured to store the direct current power and a main distribution panel including one or more short circuit ground fault protection devices configured to isolate a short circuit ground fault in less than approximately two hundred milliseconds. The system also includes one or more transportable housings configured to hold the plurality of energy sources, the plurality of electronic and telecommunications, the main distribution panel and the plurality of batteries during transport of the housing.

Abstract: A photovoltaic array cable bus system can include a cable bus and at least one electrical connector.

Abstract: A system and methods for providing substantially uninterrupted electric power to one or more critical loads that significantly allows superior utilization of equipment and physical space, as well as reduction in the environmental footprint of systems for providing substantially uninterrupted electric power to one or more critical loads. The system and methods comprise an arrangement of power modules configured for providing substantially uninterrupted electric power to one or more critical loads using a combination of loads. The combination of loads generally follows a detailed method that comprises grouping of loads and mathematically determining the power relationships between the power modules and one or more loads. Generally, the method comprises determining the characteristics of the power lines that deliver substantially uninterrupted electric power from the power modules to one or more critical loads. Further, the system may comprise a plurality of power delivery architectures.

Abstract: A power management system comprises a power generation equipment that generates power and a storage battery that stores power, and is connected to a power grid. The power management system comprises: a control unit that controls an operation mode of the storage battery so as to start charging the storage battery when a voltage value of the power grid exceeds a predetermined system voltage threshold value.

Abstract: An apparatus for controlling the power delivered from an AC power source to an electrical load may include a controllably conductive device. The apparatus may also include a first wireless communication circuit that may be operable to communicate on a first wireless communication network via a first protocol and the first communication circuit may be in communication with the controller. The apparatus may also include a second communication circuit that may be operable to communicate on a second communication network via a second protocol. The controller may be further operable to control the first wireless communication circuit to communicate configuration data with the first wireless communication network via the first protocol. The controller may also be operable to control the second wireless communication circuit to communicate operational data with the second communication network via the second protocol.

Abstract: A power converter having a multiple power inputs and multiple power outputs. More specifically, the power converter has a first power input that is a rail system having power contacts for engaging a first battery wherein the first battery has complimentary rail receiving means and power contacts for engaging the rail system. A second power input is also available for receiving a cable from a second battery. A third power input is also available for engaging with a box type lithium battery. The converter has multiple power outputs including a first power output for engaging with and powering a box type lithium battery, a female cigarette lighter output for engaging and powering devices that are powered by cigarette lighter type power connections, a USB output for engaging and powering USB devices and a 2.5 mm wire and plug for engaging and powering devices powered by 2.5 mm wire and plug connection. The converter is capable of using the multiple inputs to power the multiple outputs.

Abstract: In an electrical cabinet (110) for an electrical power unit that carries out electrical power switching for at least multiple electrical power switching equipment (50), the electrical power switching equipment (50) is attached to a front of at least a support grid rack (31) arranged as a matrix with n rows and p columns, where n and p are greater than or equal to two. Each piece of equipment (50) is attached to the grid rack at a slot (34) in the grid rack, open to the front of the grid rack (31) and to the rear of the grid rack to allow installation from the front of the equipment and to allow access from the front to the rear of the grid rack through the slots (34).

Abstract: A load control system has a plurality of drivers provided correspondingly to a plurality of load driving elements in order to control driving of the respective load driving elements for driving loads. Each of the plurality of drivers includes a control unit that controls the load driving element directly associated with a subject driver. The respective drivers are electrically connected to one another so that a mutual control communication state, in which the control unit of the subject driver can transmit to the control units of all or a portion of target drivers of other drivers excluding the subject driver a command signal for controlling the driving of a load driving element directly associated with the all or the portion of target drivers, is created in the load control system.

Abstract: A power storage system includes a battery that stores power, a first switch connected between a first node and the battery, the first switch forming a path for charging the battery and including a body diode, and a first diode connected between terminals of the first switch and forming a path for discharging the battery.

Abstract: Vehicles, systems, and methods are disclosed for providing and directing first power, such as vehicle generator power, and alternate sources of power. In a particular embodiment, a vehicle includes a power distribution grid that includes a plurality of power sources and a plurality of distributions buses configured to distribute power from the plurality of power sources. The plurality of power sources include an engine-driven power source is configured to provide first power where the first power has first power characteristics. The plurality of power sources also includes a plurality of engine-independent power sources including a first alternate power source configured to provide first alternate power. The first alternate power has first alternate power characteristics that are different than the first power characteristics. The plurality of engine-independent power sources also includes a second alternate power source configured to provide second alternate power.

Abstract: A method of providing power to electronics within a cable is described. The method may include communicatively coupling a first device to a second device via a cable. The cable may include electronic components integrated within the cable. The method may also include providing a signal from the first device to the second device. The method may also include providing, via an internal power line within the cable, power to the integrated electronic components. The method may also include providing, via a device power line within the cable, power between the first device and the second device, wherein the internal power line and the device power line are electrically isolated from one another inside the cable.

Abstract: A method of accounting for electrical power contribution and consumption is presented. The method comprises receiving information, from a plurality of facilities, wherein the plurality of facilities is operable to generate and/or consume electricity, and wherein the data comprises information concerning electricity contributions to a power grid, and/or consumptions from the grid by the plurality of facilities. The method further comprises applying a robust system of cryptographic processes to said information concerning electricity contributions, and attest to the authenticity of the information, as well as to the correct attribution of the facility claimed. Finally, the method comprises tracking and accounting electricity contributions and/or consumptions from each of the plurality of facilities using decrypted and verified information in a manner that allows contributions to be independently verified through audits.

Abstract: A transformer (2A) outputs differential signals of a positive phase signal (Vout2Ap) having phase ?1+90° and a negative phase signal (Vout2An) having phase ?1?90°. A transformer (2B) outputs differential signals of a positive phase signal (Vout2Bp) having phase ?2+90° and a negative phase signal (Vout2Bn) having phase ?2?90°. An adding circuit (3) composes a pair of differential output signals, as signals corrected in phase error (?1??2) generated in the transformers (2A, 2B), in a manner of summing up vectors of two pairs of the differential signals outputted from the transformers (2A, 2B) for the positive phase signal and the negative phase signal, respectively.

Abstract: A power generation system for feeding power from generators into an AC grid, the system comprising a plurality of inverters connected to corresponding ones of the generators, and connected to the AC grid is disclosed. The plurality of inverters forms part of a data network, wherein one of the inverters forms a communication unit for receiving feed-in parameters from a grid control system and for controlling the plurality of inverters via the data network such that the power generation system feeds power to the AC grid in accordance with the feed-in parameters.

Abstract: Embodiments of the invention relate to a method and apparatus for a zero voltage processor sleep state. A voltage regulator may be coupled to a processor to provide an operating voltage to the processor. During a transition to a zero voltage power management state for the processor, the operational voltage applied to the processor by the voltage regulator may be reduced to approximately zero while an external voltage is continuously applied to a portion of the processor to save state variables of the processor during the zero voltage management power state.

Abstract: A method and device for generating a power supply voltage (Vf), referenced to a first reference potential (4), in an electronic system including an energizing source (3) connected to the first and second reference potentials (4, 5) so as to impart an AC voltage differential between the reference potentials (4, 5), wherein the device includes: (i) a source (10) for supplying AC voltage, which is referenced to the second reference potential (5), connected to the first reference potential (4), and encompasses the energizing source (3); and (ii) rectifying and filtering elements (1) connected, at the input thereof, to the first reference potential (4) and to the source (10) for supplying AC voltage, respectively, so as to generate, at an output (8), a power supply voltage (Vf) referenced to the first reference potential (4) by rectifying a voltage at the terminals of the source (10) for supplying AC voltage.

Abstract: Provide is a wire harness which does not increase in size with increase in number of electronic devices controlled by an electronic control unit and can standardize a relay connector, and an electronic device control system including such wire harness. A wire harness structure (2) communicatably-connects electronic devices (3) mounted on a vehicle to an electronic control unit (4) controlling the electronic devices, and includes a relay connector (6, 6A, 6B) relaying a control signal from the electronic control unit to the electronic devices, a power wire (81) and a ground wire (82) drawn out from the relay connector, power supply units connected to the power wire and the ground wire, and sets of signal wires (83a, 83b, 83c) transmitting the control signal to each power supply unit arranged to supply power to the electronic device and drive the electronic device according to the control signal from the signal wire.

Abstract: A wireless power transmission unit includes oscillators that convert DC energy into RF energy with a frequency f0, power transmitting antennas, and power receiving antennas. Each power transmitting antenna is a series resonant circuit in which a power transmitting inductor and a first capacitor are connected in series. Each power receiving antenna is a parallel resonant circuit in which a power receiving inductor and a second capacitor are connected in parallel. If the oscillator has a voltage step-up ratio Voc, the power transmitting inductor has an inductance L1, the power receiving inductor has an inductance L2, and the power transmitting and power receiving antennas and have a coupling coefficient k, (L2/L1)?4(k/Voc)2 is satisfied. The absolute value of the phase difference ?res between the respective resonant magnetic fields of first and second pairs of resonant antennas is set to fall within the range of 90 to 180 degrees.

Abstract: The invention relates to a bus system comprising a bus line, a plurality of consumers of electric power which are connected to one another via the bus line, having a plurality of separate electric current supply units which each make available an electric voltage for the current supply with at least one consumer. The bus system is divided into segments each having one or more consumers respectively associated with a current supply unit and which each have a first current supply line and a second current supply line. The first current supply line and the second current supply line are respectively not directly electrically conductively connected to the first current supply line and to the second current supply line of a different segment and are preferably separated from the first current supply line and the second current supply line of the other segment in a galvanic manner.

Abstract: A microgrid power generation system includes a plurality of generators having a plurality of different rated capacities and a plurality of distribution nodes, at least some of the distribution nodes being powered by the generators. A grid is formed by the distribution nodes, the grid includes a system frequency. A plurality of loads are powered by the grid through the distribution nodes, the loads have a power demand. A processor includes a plurality of efficiency bands, each of the efficiency bands being for a corresponding one of the generators and including a plurality of generator switching points based upon droop of the system frequency and the power demand of the loads. The processor is structured to operate the generators and the loads under transient conditions based upon the efficiency bands.

Abstract: A structure for providing power to external mobile devices has a first power supply module and a second power supply module. The first power supply module has a first voltage source outputting an activation current to a main circuit of an external mobile device when activated. The second power supply module has a first boost circuit and an activation circuit. A second voltage source from a computer supplies power to the first boost circuit through the first boost circuit to output a first operating current to the main circuit through the activation circuit to replace the activation current supplied from the first power supply module. The structure further has a blocking circuit blocking the first voltage source to keep supplying power for the purpose of energy conservation and carbon reduction when the external mobile device is powered off.

Abstract: A method and system provide for the cooperative charging of electric vehicles. By using power line communications, chargers of the electric vehicles who are serviced by the same distribution transformer can form self-contained local area networks due to the nature of power line communications (PLCs). Alternatively, or in addition to the PLCs, other communication networks, such as the Internet and local area networks, may be used as part of the communications infrastructure for the chargers. After the chargers of the electric vehicles are coupled to one another through power line communications or traditional communications networks, they can form a logical token ring network. According to this token ring network, a predetermined number of tokens can be assigned within the token ring network for permitting chargers with tokens to charge respective electric vehicles while chargers without tokens must wait until they receive a token to initiate charging.

Abstract: Fault-tolerant power control in a computer system is described. In an example, a power controller to control power applied to an enclosure having a plurality of computing devices includes: first and second alternating current (AC) primary power meters respectively measuring first and second input power feeds to the enclosure; a first alternative power meter to measuring power supplied by the first input power feed; a second alternative power meter to measure power supplied by the second input power feed; a first controller coupled to the first primary power meter and the second alternative power meter; and a second controller coupled to the second primary power meter and the first alternative power meter; wherein the first controller is coupled to the second controller.

Abstract: In response to turning-on of a lock-type power switch, an initial controller outputs a first voltage for a first period and a gate is turned on for the period via a first driver responsive to the first voltage, then DC power is supplied to a main circuit. During the period, a control processor causes a voltage output section to start outputting a second voltage so that the gate is turned on via a second driver to continue the DC power supply. When no event has been generated for a second period, the second voltage from the voltage output section is stopped to turn off the gate, thus the power supply to the main circuit is shut off. Once a power from outside is switched from OFF to ON while the power switch kept ON, the power supply to the main circuit is resumed via the controller and first driver.

Abstract: The invention relates to a battery (1) comprising: at least one electrochemical energy accumulator device (2, 2a, 2b, 2c) for supplying electrical energy; a control device (3) for monitoring the exchange of energy with the electrochemical energy accumulator device (2, 2a, 2b, 2c); a measuring device (4, 4a, 4b) for recording, at least at times, at least one physical and/or chemical parameter of the electrochemical energy accumulator device (2, 2a, 2b, 2c) and providing an associated measuring value; and a data storage device (5) for recording, at least at times, a value, especially a measuring value

Abstract: An electronically reconfigurable battery includes a number of battery modules selectively interconnected by a number of electronic switches, wherein a selectable number of battery modules may be connected either in a series configuration or in a parallel configuration, as a result of placing selected switches of said plurality of switches in open states or closed states. In a parallel configuration, the battery provides power to a primary load, such as a propulsion load for a vehicle. In a series configuration, the battery is configured to provide a high voltage and high power output to a short-term and/or pulsed load, such as an additional load provided on the vehicle.

Abstract: A utility pole kit efficiently retrofits existing street and parking light systems and other utility poles to allow replacement of such system with more efficient lighting and power sources. Existing foundations of older light poles are used, and the poles are replaced with new solar powered poles that are self-raising and are fully self-contained, including batteries used for storing power.

Abstract: A power supply for use in a UV curing lamp assembly is disclosed. The power supply is powered by two intermediate frequency (200-400 Hz) low voltage sinusoidal power sources that drive the primary windings of a dual laminated transformer. The low voltage sinusoidal power sources are configured to have different phases. The out-of-phase low voltage sine wave sources are converted to high voltage sine waves on the secondary windings of the dual laminated transformer having the same phase difference relationship. A single rectifier comprising six high voltage diodes, called a ladder rectifier, combine the two out-of-phase sine waves into a single, approximately DC output power source. By modulating a phase difference between two input sine wave power sources, the approximate DC output voltage exiting the ladder rectifier may be alternated between a low ripple mode of about a 13.84% ripple, a high current mode, a high voltage mode, and an intermediate mode with a ripple in the range of about 13.84% to about 100%.

Abstract: A microcomputer includes a first switch coupled between a main power supply terminal and a power supply node, and a second switch coupled between an auxiliary power supply terminal and the power supply node. The microcomputer compares a voltage V1 of the main power supply terminal with a reference voltage VR1. When V1>VR1, the microcomputer turns on the first switch and turns off the second switch, and when V1<VR1, the microcomputer turns off the first switch, and turns on/off the second switch to gradually increase a voltage V3 of the power supply node. Thus, the operation of a clock generation circuit driven by V3 can be stable even when V3 is changed from V1 to V2.

Abstract: The operation and/or power of a plurality of energy loads and/or energy supplies configured to supply power to the energy loads are managed in a coordinated manner. The coordinated control over the energy loads and/or energy supplies may enable the execution of missions including a one or more objectives by energy loads with an enhanced efficiency, autonomy, and/or effectiveness. Aspects of the planning and/or management of execution of the missions may be automated according to predetermined rules and/or criteria.

Abstract: A system that may include a first direct current to direct current (DC) converter that is arranged to determine at a first determination rate whether to alter a parameter of operation of the first DC to DC converter and to selectively alter the parameter of operation of operation of the first DC to DC converter in response to the determination; and a second switched-mode DC to DC converter that is arranged to determine at a second determination rate whether to alter the parameter of operation of the second DC to DC converter and to selectively alter the parameter of operation of operation of the second DC to DC converter in response to the determination. The second determination rate is higher by at least a factor of two than the first determination rate. The first and second DC to DC converters are mutually unsynchronized.

Abstract: A battery system comprising a battery management system (BMS) is disclosed. The BMS has a hierarchical structure including an upper layer master BMS and a lower layer slave BMS. The master transmits a request signal to the slave wirelessly, and the slave transmits a response signal based on the request signal wirelessly to the master.

Abstract: Method and system for load sharing in a multiple power supply system. At least some of the illustrative embodiments are power supply units including a switching circuit, a coarse adjustment circuit coupled to the switching circuit (the coarse adjustment circuit configured to send an internal command to the switching circuit to modify a pulse width modulated signal that controls output current of the power supply unit), and a communication port coupled to the switching circuit. The power supply unit configured to receive from an external device over the communication port an external command to modify the pulse width modulated signal of the switching circuit. The power supply unit is also configured to modify the output current, the amount of modification based on the external command, and the internal command from the coarse adjustment circuit.

Abstract: A semiconductor apparatus includes: a master chip and at least one slave chip configured to be stacked one on top of another; and a through-silicon via (TSV) configured to penetrate and electrically couple the master chip and the at least one slave chip, wherein the at least one slave chip receives a reference voltage generated from the master chip via the TSV and independently trims the reference voltage and then generates an internal voltage with the trimmed reference voltage.

Abstract: A power supply system, particularly to be used in maritime oil/natural gas production includes at least one data transfer/voltage conversion unit arranged above sea level and one electrical means such as a choke, gate valve, production tree, power control/communication unit and the like arranged below sea level, which are electrically connected via a cable connection at least for power supply. To improve such a power supply system in a manner that this system has a simple structure and each data transfer/voltage conversion unit can also provide higher powers over a predetermined period of time or during continuous operation, a plurality of data transfer/voltage conversion units are arranged modularly, and one additional power supply module can be connected thereto to increase the power supply, and the electrical power, respectively.

Abstract: An energy store for a photovoltaic system has: a first capacity range which is provided for feeding into the power grid; a second capacity range which is provided for internal consumption and feeding into the power grid; and a third capacity range which is provided for feeding into the power grid.

Abstract: An electric braking system is provided for a road vehicle that includes at least one wheel connected for rotation to at least one rotary electric machine. At least one electronic wheel control module controls an electric machine of a corresponding wheel, The electric braking system includes: a central unit (3) for ensuring management of a vehicle displacement, the central unit controlling the at least one electronic wheel control module (23); a braking control available to a driver, the braking control being connected mechanically to at least: a first sensor (C1) outputting a vehicle braking control signal having a given amplitude representing a total braking force desired for the vehicle, and a second sensor (C2) outputting a vehicle braking control signal having a given amplitude representing the total braking force desired for the vehicle.

Abstract: A switching regulator is provided herein comprising a voltage source, a plurality of switching elements, an inductive element, and a controller. The controller coordinates the plurality of switching elements as to sequentially and periodically switching the inductive element to generate a plurality of regulated DC voltages. The controller adjusts a switching frequency of the regulator in accordance with at least one characteristic of a load current.

Abstract: A battery system is equipped with a plurality of batteries to which first loads are connected individually and which are connected in series. In the battery system, a second load is connected in series to the plurality of batteries. A BSC provided in the battery system determines a battery whose SOC has become lower than the SOCs of the other batteries by a saving-needed value or more and restricts driving of the first load connected to the battery whose SOC is determined to be lower by a saving-needed value or more. This can suppress power consumption and an increase in the cost of the battery system and can equalize the charging rates of the plurality of batteries.

Abstract: A power distribution system among a set of units (e.g., server blocks) may comprise, for each unit, a utility line and a unit generator, and a reserve generator providing failover transient performance and redundancy improvement to the power for the unit generators. The reserve generator may connect to the units via a reserve bus, and the unit generators may selectively connect to a wraparound bus connected to the reserve bus. When the failover load exceeds the available failover transient capability of one generator, one or more unit generators may (automatically or by operator selection) be connected with the wraparound bus to apply available transient capability to satisfy the excess failover load with minimal increase in power distribution resources and complexity.

Abstract: Provided is a power supply state monitoring device and so on which is capable of notifying a user of the fact that there is a problem with an AC cord and the fact that a power supply apparatus itself is not mounted separately.

Abstract: A power plant, in the form of a combined heat and power (CHP) plant, may be co-located with a data center to provide redundant electrical power. The CHP plant and the data center may operate as an island, separate from the local electrical-utility grid. The CHP plant may have a redundant fuel source connection to reduce unavailability of fuel for the CHP and increase the uptime of the data center. The CHP plant may include turbines and engines to manage variable loads within the data center. The power plant may include multiple distributions busses in high-availability configurations to provide highly-reliable and high-quality electricity to the data center. The positioning of these elements in the power plant design provides economies of scale and eliminates single points of failure commonly found in data center configurations, increasing the reliability of the data center.

Abstract: In order to assure drive of a drive motor, a boost operation of a boost device is appropriately performed by judging whether a voltage supplied from a fuel cell suffices a voltage required for driving the drive motor, thereby suppressing a switching loss by the boost device. A fuel cell system is a power source for driving a load. The system includes: a drive motor driven by an electric power; a fuel cell which generates electricity by an electrochemical reaction between an oxidizing gas containing oxygen and a fuel gas containing hydrogen and supplies an electric power to the drive motor; a first boost device which can boosts the voltage outputted from the fuel cell and supplies the boosted voltage to the drive motor; and boost control means which controls voltage boost performed by the first boost device according to the relationship between the fuel cell output voltage and the voltage required by the drive motor.