Class / Patent application number | Description | Number of patent applications / Date published |
307021000 | Diverse sources | 38 |
20080278000 | Methods and Systems for Intentionally Isolating Distributed Power Generation Sources - A method and system for operating a mini-grid including one or more power generation sources and one or more loads independently from a utility grid is provided, where the mini-grid is disconnected from the utility grid in response to a power disruption over the utility grid. A universal interconnect device forms a connection between the mini-grid and the utility grid. In the disconnected state, the mini-grid operates independently from the utility grid, such that the power generation sources of the mini-grid supply the loads. Frequency and voltage regulation are provided by the universal interconnect device through a monitoring function performed by a controller in conjunction with at least an energy storage device, which can absorb or generate power as needed. | 11-13-2008 |
20090015064 | Selective independent overload and group overload protection circuit of power supply - The present invention discloses a selective independent overload and group overload protection circuit of a power supply. In the power supply, each of a plurality of loads that require a larger power output has an independent overload protection circuit, and the load is connected to a group overload protection circuit, such that a user can select to turn on the independent overload protection circuit or a group overload protection circuit that allows a larger power output and facilitates the user to select an appropriate power output according to the capacity requirement of the load. | 01-15-2009 |
20090189445 | RENEWABLE ENERGY MANAGEMENT AND STORAGE SYSTEM - An integrated system of renewable energy management and storage that receives direct current generated from renewable sources and intelligently routes the electrical power between a direct current circuit and an alternating current circuit, and at the same time determines the optimal routing for electrical storage based on usage and demand. Electrical power from the direct current circuit can be converted to alternating current electrical power and supplied to the alternating current circuit, or vice versa. Electrical power from either the direct current circuit or the alternating current can be stored in the energy storage subsystem. Electric energy can be further converted to and stored as gaseous hydrogen and can supply for other applications that consume gaseous hydrogen. The system can work with a connection to a utility grid or as a stand-alone system. | 07-30-2009 |
20110175443 | ALTERNATING CURRENT AUTONOMOUS DISTRIBUTED AC POWER SYSTEM - The objective of this invention is to provide an autonomous distributed electric power system without depending on a known electric power system. In order to achieve such objective, this invention proposes a following feature: Output frequencies of autonomous grid-connection inverters ( | 07-21-2011 |
20110215640 | DISPATCHABLE POWER FROM A RENEWABLE ENERGY FACILITY - The placement of fully available prime movers having a DC output at a location inside or adjacent to an inverter-based intermittently available renewable energy site is disclosed. The fully available prime movers add reliability to an unreliable energy asset that is reaching its maximum penetration within the grid due to its unpredictability and the requirement for additional spinning reserves in other parts of the grid. The present invention can provide a portion or all of the power to an intermittently available renewable power generating facility so that the power output to the power grid is dispatchable power. In particular, a method and means are disclosed to utilize high-efficiency engines operated on various fuels some of which may be non-fossil fuels to maintain a constant power output from an otherwise intermittent power generating facility. | 09-08-2011 |
20110260533 | Sustainable Modular Structure Powered by Green Energy - A sustainable structure is provided that is powered by a rechargeable battery that is charged by alternating wind and solar energy generators. | 10-27-2011 |
20120200156 | SYSTEM FOR GENERATING ELECTRICAL POWER FOR A PORT - One example embodiment includes a system for generating electrical power for a port. The system includes a power generator, where the power generator is configured to convert energy within a body of water to electrical power. The system also includes a power storage, where the power storage is configured to receive the electrical power and store the electrical power for future use. The system further includes a power transfer, where the power transfer is configured to direct the electrical power to the location of use. | 08-09-2012 |
20120326502 | SYSTEM AND METHOD OF ELIMINATING WASTED ENERGY KNOWN AS VAMPIRE ELECTRICITY OR PHANTOM LOAD LOSS - An apparatus for eliminating electricity leakage from an electronic device connected to a power supply, while the electronic device is in switched-off or stand-by state is disclosed. The apparatus comprises of a charging module connected to at least one rechargeable battery for selectively providing electricity from the power supply to the rechargeable battery while the electronic device is in switched-on state. An isolation module is provided for isolating the power supply from the electronic device while the electronic device is in switched-off or standby state and restoring the power supply when the electronic device is in switched-on state. A back up module connected to the rechargeable battery, providing power to at least one active component from the rechargeable battery such that at least one active component remains operational even when the electronic device is in switched-off or standby state. | 12-27-2012 |
20140070609 | RADIO UNIT WITH A POWER CIRCUIT FOR VOLTAGE SUPPLY AND METHOD FOR OPERATING SUCH A RADIO UNIT - A radio unit for a plant of process automation technology. The radio unit has a power circuit, which serves to derive first and second supply voltages from a voltage source, wherein the power circuit has a first output, via which the first supply voltage is tappable to serve for driving an operating electronics of the radio unit, wherein the power circuit has at least a second output, via which the at least a second supply voltage is tappable to serve for driving at least one field device connectable to the second output. | 03-13-2014 |
20140300186 | LED Lighting System for a Railway Vehicle - There is described a lighting system for vehicles comprising light emitting diodes mounted on printed circuit boards (PCBs). Auxiliary components such as speakers are mounted on some of the PCBs lighting modules which are connected in an end-to-end relationship and which form light rows of the lighting system. Electrical traces for the auxiliary components form part of the PCBs. This results in a substantial reduction in or elimination of wiring. Connectors at each end of a PCB are compatible with the connectors on a neighboring PCB and are optionally connectable with a respective corresponding connector assembly of another lighting module in a direction substantially normal to the planar mounting surface of the PCB or in a direction substantially parallel to the planar mounting surface. | 10-09-2014 |
20150372522 | Rechargeable battery with multi function generator and lantern - The generator lantern is designed to work with a burner or rechargeable battery to generate electricity, operate small devices, light and heat. | 12-24-2015 |
20160028264 | ENERGY GENERATION SYSTEM FOR WEARABLE COMMUNICATION DEVICE - Wearable electronic devices and methods for powering wearable electronic devices are provided. A wearable electronic device includes a communication transponder, a processor, at least one storage unit and a kinetic energy system. The communication transponder wirelessly communicates with a further electronic device over a communication channel. The processor controls the communication transponder such that information is passed between the wearable electronic device and the further electronic device according to a predetermined operation mode involving interaction of the wearable and further electronic devices. The kinetic energy system converts kinetic energy collected from motion of the wearable electronic device to electrical energy, and distributes the electrical energy among the at least one energy storage unit and one or more other electrical components of the wearable electronic device based on a charge state of the at least one energy storage unit and the predetermined operation mode of the wearable electronic device. | 01-28-2016 |
20160190812 | SOLAR MODULAR POWER SYSTEM - Modular solar systems comprise one or more module units that are connectable into a system/assembly for convenient installation on a roof or other surface that receives solar insolation. The modules are adapted for electrical, and preferably also mechanical, connection into a module assembly, with the number of modules and types of modules selected to handle the required loads. Each module is adapted and designed to handle the entire power of the assembly and to provide or receive control signals for cooperative performance between all the modules and for monitoring and communication regarding the assembly performance and condition. | 06-30-2016 |
307022000 | AC and DC | 25 |
20100133903 | Energy Storage Systems - Different types of energy storage systems are described, in particular hydro-pneumatic storage systems. In one, energy is stored by compressing gas in a chamber ( | 06-03-2010 |
20100276996 | METHODS AND SYSTEMS FOR NO-BREAK POWER TRANSFER CONVERTER - A method is provided for using a temporary power source to transfer a power bus from a first power source to a second power source. The first power source operates at a first electrical frequency, and the second power source operates at a second electrical frequency that is different from the first electrical frequency. The method includes adjusting the output frequency of the temporary power source to match the first electrical frequency and supplying power to the power bus from the temporary power source. The method also includes disconnecting the first power source from the power bus. The method further includes adjusting the output frequency of the temporary power source to match the second electrical frequency. The method further includes coupling the second power source to the power bus. | 11-04-2010 |
20110133552 | Dual Use Photovoltaic System - A system for providing power from a direct current (DC) source to the power grid. The system includes a first inverter with an input and an output. The input is adapted to connect to the DC source. A first switch disposed between the output and the power grid. A second inverter with a DC terminal and an AC terminal, the AC terminal is adapted to connect in parallel with the output of the first inverter. A battery adapted to connect to the DC terminal of the second inverter. A second switch connected between the DC terminal of the second inverter and the input of the first inverter. The second switch also operatively connects the DC source to the battery. The system may further include a charging circuit adapted to be disposed between the input and the DC terminal and a load adapted to connect to the output. | 06-09-2011 |
20120074777 | ELECTRIC POWER SYSTEM - An electric power converting apparatus mainly includes a first power supply circuit, a second power supply circuit, a selection circuit, a control circuit, a bi-directional inverter circuit, and a charge/discharge circuit. The control circuit composed of a microcomputer or a microprocessor such as a DSP controls an operation of the electric power converting apparatus. The first power supply circuit or the second power supply circuit supplies a operation voltage for the control circuit. The first power supply circuit generates the operation voltage for the control circuit based on an AC voltage supplied from the electric power supply system. The second power supply circuit generates the operation voltage for the control circuit based on a DC voltage supplied from a DC power supply in an electric vehicle EV. | 03-29-2012 |
20120181862 | Internal Electrification Scheme For Power Generation Plants - An apparatus for use in an electrical power generation plant. The apparatus includes: at least two adjustable speed drives, each connected, on an alternating current side, to an associated auxiliary motor; at least one reactive power consuming auxiliary device connected to an alternating current bus; a controller; a converter for converting alternating current to direct current or vice versa between the alternating current bus and a direct current bus; and at least one electrical power source arranged to provide power to the direct current bus. Each of the at least two adjustable speed drive is connected, on a direct current side, to the direct current bus. | 07-19-2012 |
20120212050 | ELECTRICITY SUPPLY MANAGEMENT DEVICE - An electricity supply management device includes a solar cell; a commercial Alternating Current (AC) power source; and a storage battery, in which the storage battery is charged by an electric power from the solar cell, and a power from at least one of the solar cell, the commercial AC power source and the storage battery is supplied to one or more load devices. A power consumption level by the load devices is controlled based on comparison result between a power generation amount by the solar cell and a power consumption amount by the load devices, and a charge level of the storage battery indicative of a ratio of charging to capacity of the storage battery. | 08-23-2012 |
20120217799 | Central Battery Interconnected Smoke Detector System with Single Wire AC and DC Pass-Through Relay - An AC powered and DC battery backup powered interconnected smoke alarm/detector system that provides battery backup to each and all smoke alarms/detectors within a dwelling using a single, centrally located rechargeable backup battery. Both AC power and DC backup power sources are distributed and provided to each and all smoke alarms/detectors through the same electrical high voltage wiring via an AC and DC Pass-Through Relay. | 08-30-2012 |
20120256484 | COMPUTER ADAPTER WITH POWER OUTLET AND REPLACEABLE AND RECHARGEABLE BATTERY, WIRELESS CARD, AND TRANSCEIVER - The present invention is directed to an electronic adapter that has a receptacle capable of receiving power cords and power a device, such as a computer. The present invention may have a rechargeable and replaceable battery. In addition to allowing access to a power receptacle from a single power source, the present invention eliminates the need to carry an extra extension cord to allow multiple users to power their accessories, i.e. notebook computers from a single power source. The present invention may also have a wireless card allowing devices connected to the USB port to gain access to a WIFI network. A transceiver may allow the adapter to be turned off remotely. | 10-11-2012 |
20130076132 | APPARATUS, SYSTEM AND METHOD FOR A UPS - According to one aspect of the invention, a UPS includes an input configured to be coupled to an AC power source, a DC power source, an output configured to receive power from at least one of the AC power source and the DC power source, a first switched receptacle outlet coupled to the output and configured to be coupled to a first electrical load and a second receptacle outlet coupled to the output and configured to be coupled to a second electrical load. According to some embodiments, the UPS also includes a control unit configurable to provide a first configuration associated with the first switched receptacle outlet, where the first configuration is employed by the control unit to control a connection of the first switched receptacle outlet to the output independent of the second receptacle outlet. | 03-28-2013 |
20130093241 | CIRCUITS FOR DC ENERGY STORES - A dc energy store includes auxiliary systems operable in different modes, including self-supporting, island mode and normal modes. In the self-supporting mode a first controller uses a voltage demand signal indicative of desired ac voltage of an AC/DC power converter to control semiconductor power switching devices to achieve the desired level of ac voltage. The voltage demand signal is derived from comparing a voltage feedback signal and a second voltage demand signal preset to provide the desired ac voltage for the auxiliary systems. A second controller uses a current demand signal indicative of the desired dc link current to control the semiconductor power switching devices of a DC/DC power converter to achieve the desired level of dc link current. The current demand signal is derived from comparing a dc link voltage demand signal indicative of a desired dc link voltage and a dc link voltage feedback signal. | 04-18-2013 |
20130257152 | DC POWER SUPPLY SYSTEM - Provided is a DC power supply system that controls a DC power supply unit to be within a predetermined voltage range. | 10-03-2013 |
20130285448 | POWER CONTROL SYSTEM AND POWER CONTROL METHOD THEREFOR, AND POWER GATEWAY APPARATUS AND POWER CONTROL METHOD THEREFOR - First power load apparatuses that use power from a power storage apparatus when a total power consumption amount of all of the plurality of power load apparatuses is greater than or equal to a threshold, and second power load apparatuses not included among the first power load apparatuses are included. A power gateway apparatus stops the supply of power from a power supply system to the first power load apparatuses and performs power supply from the power storage apparatus to the first power load apparatuses when a sum of a total power consumption amount of the second power load apparatuses and a total power consumption amount of the first power load apparatuses exceeds a threshold indicating a maximum value of the system power consumption amount. The power gateway apparatus supplies power from the power generation apparatus to the first power load apparatuses with priority to power from the power network. | 10-31-2013 |
20140117755 | POWER SYSTEM - A power system for supplying direct current (DC) voltage to a load requiring same includes a main power supply outputting a first alternating current (AC) power, an auxiliary power supply outputting a first DC power directly, and a bidirectional power factor correction device. When the bidirectional power factor correction determines that the first DC power is more than a rate power of the load, the auxiliary power supply outputs only a first part of the first DC power to the load, and outputs a second part to the bidirectional power factor correction. The bidirectional power factor correction converts the second part into a second DC power, and redirects the second DC power into the main power supply. The first part of the first DC power output allowed into the load equals to the rated power of the load. | 05-01-2014 |
20140319911 | SYSTEMS AND METHODS FOR UNINTERRUPTIBLE POWER SUPPLIES WITH GENERATORS - Systems and methods where a power-packet-switching converter is used to interface a synchronous AC connection (e.g. to the utility power grid, or to a microgrid) to a DC source (e.g. a battery bank, or possibly a photovoltaic cell bank) and to a non-synchronous AC power source (e.g. a wind turbine or a motor-generator). The power-packet-switching converter not only provides voltage conversion and other functions (e.g. DC to AC, AC-AC with frequency change, 2-phase to 3-phase, power factor correction etc.), but also provides phase correction to convert asynchronous AC to synchronous AC. | 10-30-2014 |
20140346869 | EMERGENCY POWER SUPPLY METHOD FOR CONTAINER TERMINAL AND CONTAINER TERMINAL - Provided are an emergency power supply method for a container terminal and a container terminal, which supply emergency electric power by using a cargo handling machine as a power source in an emergency situation due to electric outage of the container terminal, or the like. In an emergency where an incoming panel ( | 11-27-2014 |
20150008737 | Off-grid/grid-connected integrated solar power generation system and control method thereof - A control method of an off-grid/grid-connected integrated solar power generation system includes steps of: selecting an off-grid mode or a grid-connected mode by a system operation mode controller, and controlling work states of an electrical input orientation driver, a generation and storage driver, and an electrical output orientation driver by a logical control unit according to feedback of a solar panel, an inverter, a storage battery charging controller, and a storage battery matrix, in such a manner that the off-grid/grid-connected integrated solar power generation system circularly repeats storage and output of solar electrical power in the off-grid mode or the grid-connected mode. An off-grid/grid-connected integrated solar power generation system is also provided. The system and the method are able to meet user requirements of off-grid and grid-connected generation of a solar power generation system, and are able to store and copy peak power of an external power grid. | 01-08-2015 |
20150015068 | Multi-port Energy Storage System and Control Method Thereof - A multi-port energy storage system includes a bi-directional power conversion circuit, a DC-AC inverter circuit, an electric energy storage facility, a first AC port, a second AC port and an AC switch. The multi-port energy storage system controllably provides various classifications of power supply quality via the first AC port and the second AC port. | 01-15-2015 |
20150097428 | PORTABLE POWER STATION SYSTEM - A portable power station system for providing access to electrical power and mechanical energy in from stored and renewable sources comprising a housing containing a battery, a brushless DC motor, an inverter, a gear system, an AC motor, an alternator, a rectifier, a reservoir capacitor, a charge controller, sequentially connected with the charge controller connected back to the battery. Solar panels and a wind power generator are additionally connected to the charge controller. A plurality of grounds are also provided. The portable power station system works to convert stored energy from the battery into other forms of energy and provide access to the various forms of energy through various discrete outputs accessible from the exterior of the housing. To account for the inevitable energy losses from its operation, the portable power station system utilizes renewable forms of energy to continually introduce additional energy. | 04-09-2015 |
20150097429 | POWER CONTROL SYSTEM, POWER CONTROL APPARATUS AND POWER CONTROL METHOD - In a power control system including a first controller configured to control supply of power from a photovoltaic module to a plurality of loads and a second controller configured to control charge/discharge of a storage battery, which is one of the plurality of loads, the first controller controls output following power consumption by the plurality of loads, and the second controller increases, during a self-sustaining operation, charging power of the storage battery and detects output fluctuation from the photovoltaic module or from the first controller along with the increase in the charging power, then based on the detected output fluctuation, controls charge of the storage battery, thus, even if connection to the grid is disconnected, supply power may be replenished by the load power used for supply to the predetermined loads, thereby allowing a stable power supply to the other loads. | 04-09-2015 |
20150145328 | DISTRIBUTED POWER SYSTEM AND OPERATION METHOD - A distributed power system is designed to continuously supply electric power to a load even when a system voltage of the electric power system becomes abnormal. The distributed power system includes a DC/DC converter to convert DC current generated by solar power generation facility to DC current with a predetermined output voltage, and an inverter to convert the DC current to an AC current which is output to an electric power system via a system interconnect switch. When the system voltage of the electric power system is abnormal, a control device makes the system interconnect switch open to switch operation modes of the DC/DC converter and inverter to a self-sustaining operation without stopping, and supplies electric power to a load connected between the inverter and the system interconnect switch. | 05-28-2015 |
20150359060 | PORTABLE LIGHTING SYSTEM - An LED lighting system including an LED array including one or more LED lights, a main power supply supplying power to the LED array, and an emergency power source supplying short-term power to the LED array upon detection of a loss of power from the main power supply. The emergency power source consists of a super capacitor array charged by the main power source. | 12-10-2015 |
20150380941 | SYSTEM WHICH INTELLIGENTLY AND OPTIMALLY CONTROLS POWER UTILIZATION FROM HYBRID ENERGY SOURCES - A system for controlling power utilization from hybrid energy sources to reduce energy consumption costs and maximize use of renewable energy; the system comprises a plurality of switches for switching power between a plurality of power sources; a control unit for controlling the switches to switch between the power sources to supply power from at least one of said power sources to said loads; the control unit preventing back-feeding of power between the power sources; the control unit reducing excess power generated from multiple inverters equally or storing it in a battery bank; the control unit diverting the excess power to the battery bank in the event that loading of at least one of said power sources falls below a predetermined value. | 12-31-2015 |
20160049829 | Double-Port Energy Storage System and Control Method Thereof - A double-port energy storage system includes a bi-directional power conversion circuit, a DC-AC inverter circuit, an electric energy storage facility, a first switch, a second switch, a third switch, a fourth switch, a first AC port and a second AC port. The double-port energy storage system controllably provides various classifications of power supply quality by controllably switching on or off some of the first switch, the second switch, the third switch the fourth switch via the first AC port and the second AC port. | 02-18-2016 |
20160164295 | Smart And Grid-Flexible Power Inverters - A method and apparatus is disclosed that can intelligently invert DC power from single or multiple DC sources to single-phase, split-phase, or three-phase AC power, supply the AC power to the electric power grid when the grid is on, or supply AC power to electric devices or loads when the grid is down. A Smart and Grid-Flexible Power Inverter, or On/Off-Grid Power Inverter, is disclosed that can work in either the on-grid or off-grid mode, and switch back and forth between the two modes manually or automatically depending on the power grid conditions. The system provides a simple and cost-effective solution for areas where the power grid has frequent outages or long downtimes. | 06-09-2016 |
20160197515 | POWERING A PLURALITY OF DISPENSERS | 07-07-2016 |