Abstract: An energy storage system and a method of controlling the energy storage system are disclosed. The energy storage system includes an integrated controller configured to determine a functional state of a power converting unit, a bidirectional converter, and a bidirectional inverter based on conditions of the power generation system, the battery, and the load.

Abstract: Systems and methods here are described for harvesting energy, certain embodiments including a power generator, a rotatable base attached to the power generator, one or more protruding blades attached to the rotatable base, a kinetic energy harvesting device mounted on the base, and a gear shaft for associating the base with the power generator.

Abstract: A power converter that can supply constant voltage to a load even upon fluctuation of voltage of an AC power source includes an inverter circuit resulting from connecting switching elements in series, the inverter circuit being connected to both ends of a DC power source series circuit resulting from connecting in series two DC power sources; an AC output terminal that is connected to a connection point of the switching elements; another AC output terminal that is connected to a connection point of the DC power sources; and a bidirectional switch element including one end connected to the AC output terminal U and another end connected to a terminal of an AC power source.

Abstract: One embodiment relates to an apparatus that includes at least one circuit block and a voltage source configured to supply a first voltage to the at least one circuit block. The apparatus also includes a power delivery unit configured to be selectively activated based on a whether a quantity of power is to be delivered from the power delivery unit to the circuit block. A control unit is configured to, upon a change in power consumption of the at least one circuit block, activate the auxiliary power delivery unit to deliver the quantity of power to the circuit block. The auxiliary power delivery unit can quickly supply large currents since it does not necessarily rely on slow control loops using voltage sensing. Rather, the auxiliary power delivery unit often delivers pre-calculated current profiles to respond to the timing characteristic of the change of power consumption and of the voltage regulator.

Abstract: A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module.

Abstract: A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module.

Abstract: A multiple-input DC-DC converter that is capable of power diversification among different energy sources with different voltage-current characteristics. The converter is capable of bidirectional operation in buck, boost and buck-boost modes and provides a positive output voltage without the need for a transformer.

Abstract: Examples disclose a networking device comprising a thermopile to convert a temperature difference between a heat surface and an ambient surface into electrical power. Additionally, the examples disclose a power management module to power the networking device with the converted electrical power.

Abstract: A combined wind and photovoltaic solar energy production system is disclosed. One or more surfaces of the wind turbine blades are constructed of photovoltaic thin-film or have photovoltaic solar panels. Unlike prior art systems, in which photovoltaic material is placed on top of pre-existing wind turbine blades, the present application uses the photovoltaic material itself (e.g. the thin-film or solar panel) as the wind turbine blade. This makes for a simpler, light weight, and more cost-effective design. Multiple designs and embodiments are disclosed. The designs include vertical and horizontal axis pinwheel designs, paddle fan designs, paddle wheel designs, and tristar designs. Each of these designs may be combined. Cable support systems may be used to hold these designs to enable fast deployment and be an alternative where conventional solar and wind generators are unable to be installed because of topographical land issues or available real estate.

Abstract: A power supply arrangement for producing polysilicon with a central control unit and a basic supply unit, which are regulated and controlled by control means. The basic supply unit supplies the supply module with electric energy, an output for connecting to loads which are supplied with electric energy from the mains via basic supply unit, and controllable switches, which are connected to the input and to the output and which are configured for adjusting the energy to be supplied to the loads. The switches are controllable. The control unit is supplied with electric energy. The power supply includes a communication bus. The control module and the basic supply module are connectable to the control module and the basic supply module to the communication bus. The control module and the basic supply module provide connections to the control module and the basic supply module to the communication bus.

Abstract: A power storage system includes a power control unit including an inverter, and a battery for storing electrical energy supplied with commercial AC power by way of the inverter to supply the electrical energy to an electrical load. An apparatus for selecting specifications of a power storage system includes a data input interface unit for input of data obtained by measuring power usage during prescribed hours at a location of power consumption where the power storage system is to be installed, and an operation processing unit for finding annual average power usage during prescribed hours based on the measured data, and determining an output of the inverter based on the average power usage.

Abstract: A system includes a first DC rail configured to be coupled to a first terminal of a first energy storage device (e.g., a battery), a second DC rail configured to be coupled to a first terminal of a second energy storage device (e.g., an ultracapacitor), and a plurality of converter legs coupled between the first and second DC rails and including at least one first converter leg configured to be coupled to a second terminal of the first energy storage device and at least one second converter leg configured to be coupled to second terminal of the second energy storage device. The system further includes a switch configured to couple and decouple the second terminals of the first and second energy storage devices. The at least one first converter leg and the at least one second converter leg provide different current capacities to deal with differences in power density of the energy storage 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 system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module.

Abstract: Systems and methods for regulating the voltage at a point of interconnection of a renewable energy plant, such as a solar plant, with a grid are provided. A voltage signal indicative of the voltage at the point of interconnection can be received and filtered with a high pass filter to generate a filtered error signal. The high pass filter can block components of the voltage signal at a frequency less than a threshold frequency. A reactive power command for the renewable energy plant can be generated based on the filtered error signal. One or more inverters of the renewable energy plant can be controlled to output reactive power based on the reactive power command. A rejection module can be implemented to prevent adverse interaction with other voltage control devices. In addition, a reset module can be implemented to preserve dynamic reactive power range of the inverters.

Abstract: A system is provided that includes a plurality of power units each configured to supply power. Additionally, the system includes a plurality of contacts each configured to toggle an electrical connection of each of the plurality of power units as a network. Moreover, the network is configured to supply power to a load. Furthermore, the system includes a controller configured to control when each of the plurality of contacts toggle according to a power state, and the power state includes information regarding a charge of each power unit, a load demand, and a supplied power being supplied by the plurality of power units.

Abstract: Electronic devices require correct power in order to operate correctly. Receiving an incorrect power signal could potentially result in immediate and/or long term harm to the electronic device and/or catastrophic conditions. Certain devices, such as programmable logic controller (“PLC”) modules, may provide variable power to electronic devices, such as field devices comprising sensors and/or actuators. The present inventors have recognized that deciphering between AC and DC input signals before coupling electronic devices to such power sources may advantageously avoid harmful and/or catastrophic conditions. Aspects of the present invention provide an electronic circuit for deciphering between an AC and a DC input signal. Systems and methods are also described.

Abstract: The present disclosure is directed to a solution providing multi-state power management. In some aspects, the design of the multi-state power management system (MPMS) facilitates switching to battery back up power upon identifying a power outage and further controlling the intensity level of a load (e.g., a light source) such that the light run time meets a minimum required run time. The MPMS may be designed and configured to identify a power outage and a battery status based on the voltage at a voltage input of the lighting device. The design may also include controlling the intensity level of the light source responsive to temperature measurements, e.g., ambient temperature or the temperature of one or more components, to maintain the health of the system.

Abstract: Determining power topology of a computer system. At least some of the illustrative embodiments are methods including communicating with a first computer system of a plurality of computer systems mounted in a rack (the communicating through dedicated communication conductors integral with a first cord carrying operational power to first computer system), communicating with a second computer system of the plurality of computer systems (the communicating through dedicated communication conductors integral with a second cord carrying operational power to first computer system), determining a power topology regarding the plurality of computer systems based on the communicating, and displaying an indication of the power topology.

Abstract: A mobile electricity generator comprising a telescopic boom, a first retractable support leg, and a base. The telescopic boom comprises a first end and a second end. A wind turbine is attached to the second end of the telescopic boom and the wind turbine is capable of transforming wind into electricity. The first end of the telescopic boom and the first retractable support leg are attached to the base. The electricity generator has a movable solar panel assembly that may be stored in the base and deployed to a use position and a pair of doors each equipped with a solar panel swing having solar panels. The mobile electricity generator can further comprise a battery in electric communication with the solar panels for storing the electricity.

Abstract: An energy storage system and a method of controlling the energy storage system, the energy storage system including a power converting unit for converting a voltage output from the power generating system into a direct current (DC) link voltage, a bidirectional converter enabled to perform mutual conversion between an output voltage of the battery and the DC link voltage, a DC link unit for constantly maintaining a level of the DC link voltage, a bidirectional inverter for converting the DC link voltage into an alternating current (AC) voltage appropriate for the grid, and for converting an AC voltage of the grid into the DC link voltage, and an integrated controller for controlling the power converting unit, the bidirectional converter, and the bidirectional inverter, and for controlling operation modes of the energy storage system. In particular, the integrated controller may control operation modes in accordance with the DC link voltage.

Abstract: A electronic device and a power supplying method thereof are provided. The device includes a system unit, an internal power supplying unit and a power controller. The internal power supplying unit is coupled to the system unit, and supplies a system voltage to the system unit. The power controller is coupled to the system unit and the internal power supplying unit, and determines a source of the external voltage according to a voltage value of the external voltage. When the power controller determines that the source of the external voltage is a mobile power supply device, the power controller provides the external voltage to the system unit, and does not charge the internal power supplying unit with the external voltage. The voltage value of the external voltage provided by the mobile power supply device is higher than the voltage value of the system voltage.

Abstract: A system and method for providing power is disclosed. A variable direct current (DC) power source provides a variable DC voltage. A configurator dynamically converts the variable DC voltage to a selected DC voltage to provide the power. A set of switches combines the solar voltage with a substantially constant DC voltage. A control unit controls the set of switches and the configurator to provide the combined voltages at a selected voltage level.

Abstract: A distributed power supply system and a method for managing such a distributed power supply system is disclosure. The method may include: for each power storage unit i of the plurality of power storage units, determining whether power storage unit i have sufficient status of charge (SOC) based on SOC of the power storage unit i (Ci), and load of the power storage unit i (Li); identifying a set of power storage units that have insufficient SOC; and adjusting output power of the power storage units that have sufficient SOC to provide supplemental power to the set of power storage units that have insufficient SOC.

Abstract: A three-dimensional wind-light congregating power generating system with spherical joints includes a spherical joint wind-light congregating device (10), a spherical joint wind-light trapping device (20), both of which are assembled through spherical joints, and a vertical axis wind generator (30), wherein the profile of the spherical joint wind-light congregating device (10) is the shape of rectangular paralleling and comprises four wind lateral guiding boards (15) equally spaced around a center, a gradually narrowing wind inlet passage (150) is formed between adjacent wind lateral guiding boards (15), and the wind inlets of the wind inlet passages (150) are located respectively at the four sides of the spherical joint wind-light congregating device (10); the spherical joint wind-light trapping device (20) comprises wind-light trapping rods (22) and wind-light trapping films (21) for absorbing solar energy; the vertical axis wind generator (30) is mounted in the center of the spherical joint wind-light congr

Abstract: A power voltage selection device includes a first power voltage and a second power voltage; a power selection unit having a first PMOS transistor and a second PMOS transistor, wherein the first power voltage is supplied to a source of the first PMOS transistor, a gate of the first PMOS transistor receives a first enable signal, the second power voltage is supplied to a source of the second PMOS transistor, a gate of the second PMOS transistor receives a second enable signal, and a body of the first PMOS transistor is coupled to a body of the second PMOS transistor; an output unit having a common node to which a drain of the first PMOS transistor and a drain of the second PMOS transistor are commonly coupled; and a body voltage control unit controlling to supply one of the first power voltage and the second power voltage to the bodies of the first PMOS transistor and the second PMOS transistor, wherein the one has a higher voltage level than the other.

Abstract: A source supply circuit includes a main supply circuit for supplying a first directional current (DC) voltage, a solar supply circuit converting solar energy into electronic energy, an energy storing circuit for storing the energy generated both by the main supply circuit and the solar supply circuit, and a power regulator. The solar supply circuit further includes a current detector for detecting a current of the solar supply circuit, and a voltage detector for detecting a voltage of the solar supply circuit. The power regulator calculates an output power of the solar supply circuit according to the detected current and the detected voltage and adjusts the output power of the main supply circuit to make the solar supply circuit output a maximum power.

Abstract: The present invention provides an improved dual-input power supply including a dual-input terminal, an input source selection controller, a load adjustment switch circuit, a power conversion circuit, an automatic switch circuit for power interruption, and an output terminal. The input source selection controller is adapted to select a mode for power inputting comprising AC power source in priority mode, DC power source in priority mode, and dual-power source supply (AC and DC power sources simultaneously supplying) mode. Therefore the present invention allows users to select flexibly power source input mode and maintains uninterruptible power supply by switching automatically the power source input mode upon accident power failure.

Abstract: Bypassing methods and apparatus are presented along with power cells and sub cells for multilevel inverters in which DC current flow into a DC link capacitance is interrupted and a bypass switch is closed across a power cell or sub cell output to selectively bypass a power stage of a multilevel inverter.

Abstract: A power supply for providing power to a load includes a first subconverter having input terminals for coupling to a first input power source and output terminals and a second subconverter having input terminals for coupling to a second input power source and output terminals. The first subconverter is configured to supply an AC current and an AC voltage at its output terminals. The second subconverter is configured to supply one of a substantially constant DC current and a substantially constant DC voltage at its output terminals. At least one of the output terminals of the first subconverter is coupled to at least one of the output terminals of the second subconverter. The power supply is configured to supply the AC current, the AC voltage, the substantially constant DC current and the substantially constant DC voltage substantially simultaneously to the load.

Abstract: An electrical cogeneration system and AC coupling method for efficiently distributing power from multiple AC sources. The system includes a main AC source, an AC generator, a solar panel, and an automatic transfer switch. The main AC source and the AC generator are connected to the transfer switch. The system also includes a DC/AC inverter, which is in communication with the solar panel. The transfer switch and the inverter are both connected to a common AC load panel where the power provided by the solar panel, the AC generator, and the main AC source is used to satisfy a common electrical load. The system further includes a system control device that is in communication with the inverter and the transfer switch and is capable of selectively determining power input to the AC load panel. An AC coupling method for distributing power from multiple AC sources is also provided.

Abstract: A system, method and/or apparatus for the delivery of energy at a site, at least a portion of the energy being delivered by at least one or more of a plurality of renewable energy technologies, the system and method including calculating the load required by the site for the period; calculating the amount of renewable energy for the period, including obtaining a capacity and a percentage of the period for the renewable energy to be delivered; comparing the total load to the renewable energy available; and, implementing one or both of additional and alternative renewable energy sources for delivery of energy to the site.

Abstract: There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed.

Abstract: A system corresponding to a plurality of different power sources (overhead contact line, power generator driven by engine, and fuel cells) is proposed as a method of using an optimum power supply in an electrified route and a non-electrified route. Provided are: a power conversion circuit that includes AC input ends, the number of which corresponds to the maximum number of phases among a plurality of different AC power supplies, and that converts AC power to a direct current; and switching means for switching a connection state of the AC power supplies and the power conversion circuit, wherein the connection state is switched according to the power supplies.

Abstract: The present disclosure discloses a communication power with multi-energy-source supply and a control method. The communication power includes: an inputting unit (21), configured to receive at least two kinds of electrical energy and provide the at least two kinds of electrical energy to an allocating unit (22); the allocating unit (22), configured to allocate at least one kind of electrical energy of the at least two kinds of electrical energy determined by a monitoring unit (25) to a power converting unit (23) according to the control of the monitoring unit (25); the power converting unit (23), configured to perform power conversion on the at least one kind of electrical energy allocated by the allocating unit (22), and then provide the converted power to an outputting unit (24); the outputting unit (24), configured to supply power to an external load; and the monitoring unit (25). With the present disclosure, the modules for input allocating, power converting, etc.

Abstract: A power converter and a method of operating the same is described, for use in a power conversion system that is capable of receiving power from various sources, including renewable sources, for delivering power to a load. Power type detection circuitry is provided for identifying the type of power source at the input of each power detector, based on attributes of the time-varying power received. The power converter is constructed of a boost stage followed by a galvanically isolated DC-DC converter stage. If a renewable input power source is detected, the boost stage is controlled to operate at a maximum power point, and the DC-DC converter stage is operated in an open loop manner when load exceeds available power at input. The load falls below available input power, the boost stage is controlled to regulate its output voltage and DC-DC converter stage is also placed under closed loop control.

Abstract: A power converter and method of operating the same for use in a power conversion system capable of receiving power from various sources, including renewable sources, for application to a load. Power type detection circuitry is provided for identifying the type of power source at the input of each power detector, based on attributes of the time-varying power received. The power converter is constructed of a boost stage followed by a galvanically isolated DC-DC converter stage. If a renewable input power source is detected, the boost stage is controlled to operate at a maximum power point, and the DC-DC converter stage is operated in an open loop manner. If the AC grid is detected as the input power source, the boost stage is controlled to attain maximum power factor, and the DC-DC converter stage is placed under feedback control of the output voltage. Operating modes are also switched in response to low load demand.

Abstract: A battery charging system according to some embodiments includes a plurality of power modules coupled to a backplane, each of the plurality of power modules providing an electrical indication of type of power module to the backplane, the power modules of each type providing an electrical function associated with charging a battery consistent with the type of power module; and a controller that determines the number of power modules of a particular type and supplies control signals that allocate to each of the power modules of the particular type a portion of the electrical function.

Abstract: According to one embodiment, a power supply circuit includes an input terminal, a rectifier circuit, a power factor improvement circuit, a DC/DC converter, and a control module. The DC/DC converter converts the level of a DC voltage output from the power factor improvement circuit. The control module determines on the basis of the output voltage of the rectifier circuit whether an input power supply supplied to the input terminal is AC or DC. The control module generates a DC power supply by use of the power factor improvement circuit and DC/DC converter when the input power supply is AC and generates a DC power supply by controlling the operation of the power factor improvement circuit and DC/DC converter according to the voltage of input DC power supply when the input power supply is DC.

Abstract: A battery management system used to monitor a number of batteries. This battery management system includes a number of isolation circuits electrically connected to the batteries. The battery management system includes a measuring unit electrically connected to the isolation circuits to turn on or off the isolation circuits and measure voltages simultaneously of the batteries when the isolation circuits are turned on by the measuring unit.

Abstract: A charging unit comprises a first input connectable to a first power source, a second input connectable to a second power source, and an output for connection to a battery to be charged. The charging unit also comprises a power supply unit operable simultaneously to provide power from the first input and power from the second input to the output.

Abstract: This disclosure provides a power transmitting apparatus including coupling electrodes couplable to a power receiving apparatus to transmit power to the receiving apparatus. A high-frequency voltage generator circuit is adapted to supply a high-frequency voltage across the coupling electrodes in accordance with a signal output from a control circuit. A driving power supply switching circuit switches between applying a constant voltage and supplying a constant current to the high-frequency voltage generator circuit. First, by sweeping the driving frequency of the high-frequency voltage generator circuit in a state in which a constant current is supplied, it is determined whether there is a maximal value in the frequency characteristics of a voltage applied to the high-frequency voltage generator circuit. When there is a maximal value, the corresponding frequency is set as the driving frequency, and power transmission is started after the driving power supply switching circuit is switched to a constant voltage.

Abstract: Methods and apparatus are provided for using a renewable source of energy such as solar, wind, or geothermal energy. In some embodiments, the method may include generating electric energy from a renewable form of energy at a plurality of locations at which reside an electric power line associated with an electric power grid. The electric energy generated at each location may be transferred to the electric power line to thereby supply electric energy to the electric power grid.

Abstract: Advances in the arts are disclosed with novel methods and circuit systems for controlling power in an energy harvesting system. Techniques and related systems for controlling power output of an energy harvesting device provide for monitoring at least one power parameter at a power source and monitoring at least one power parameter at a load such as a storage medium. The power source output is adjusted in order to optimize energy harvesting and/or storage based on real-time performance parameters.

Abstract: A power circuit, a converter structure and a wind power generation system thereof are disclosed. The power circuit includes a first converter having an AC input side and a DC output side, a second converter having a DC input side and an AC output side, and a DC bus storage unit electrically connected to the DC output side of the first converter and the DC input side of the second converter. A level number, a switching valve type and/or a circuit connection of the first converter are different from those of the second converter.

Abstract: An alternating-current and direct-current conversion apparatus includes a first converter unit, a switching unit electrically connected with the first converter unit, and a second converter unit electrically connected with the switching unit. The switching unit is connected between the first converter unit and the second converter unit and is operated to convert a direct-current power into an alternating-current power or to convert an alternating-current power into a direct-current power so that the direct-current power of the direct-current source is converted into an alternating-current power which can be used by the alternating-current source, and the alternating-current power of the mains power supply is converted into a direct-current power which can be used by the direct-current source.

Abstract: The power transmission apparatus may include a battery, a motor generator that is switchable between a driving state and a power generation state, at least a load, an inverter to switch the motor generator to any of the driving state and the power generation state, a charging state detecting means to detect a charged amount C of the battery, an absorbing horsepower detecting means to detect the absorbing horsepower Lp of the load, and a control device to switch the motor generator to any of the power generation state and the driving state by means of the inverter, based on the absorbing horsepower Lp detected by the absorbing horsepower detecting means and the charged amount C of the battery that is detected by the charging state detecting means.

Abstract: A matrix connection device disposed between n unidirectional energy sources (PV1, PV2, PVn) and n power converters (C1, C2, Cn) for the purpose of powering a common load (10), said device comprising: n matrix switch units (I1, I2 to In), each of which comprises n link switches (Ki1, Ki2 to Kin) having their outlets connected together and having their n inlets connected to the n outlets of said photovoltaic panels and/or wind turbines; at least one additional switch unit (In+1) comprising n switches (Kn+11, Kn+12 to Kn+1n) having their outlets connected together and their n inlets connected to respective ones of the n outlets of the unidirectional energy sources; and a monitoring and control circuit (14) for starting up or not starting up said power converters as a function of the power available at each of said unidirectional energy sources, and then for keeping them switched on or for deactivating them as a function of the power consumed by each of them.

Abstract: Methods and mechanisms to simultaneously regulate two or more supply voltages provided to an integrated circuit by a voltage regulator. In an embodiment of the invention, a voltage regulation message exchanged between the integrated circuit and the voltage regulator includes an identifier indicating two or more supply voltages selected from a plurality of supply voltages provided to the integrated circuit by the voltage regulator, where the voltage regulation message relates to the indicated two or more supply voltages. In another embodiment, the voltage regulation message indicates a desired supply voltage level to which the indicated two or more supply voltages are to transition.

Abstract: The invention relates to a power supply system that is adapted be connected in input to N distinct power supply grids (R1, . . . , RN) delivering a direct or alternating input voltage (V1, VN) and to deliver a direct distribution voltage (VBUS), N being an integer greater than or equal to 2, of the type comprising a distribution bus operating under the distribution voltage (VBUS), N unidirectional converters (C1, . . . , CN) that can respectively be connected in input to a given power grid (R1, . . . , RN), and control means capable of controlling the unidirectional converters (C1, . . . CN). The power supply system also includes an energy storage device connected to the distribution bus and having a quantity of energy (E), and the control means are adapted to control the unidirectional converters (C1, . . . CN) simultaneously to regulate the electrical power (P1, . . . PN) delivered by each of said unidirectional converters (C1, . . . , CN) as a function of the quantity of energy (E).