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| Number | Title | Issue Date |
| 8183714 | Electric power distribution methods and apparatus A plurality of end-user locations are served by a commercial utility grid. More than one and less than all of the end-user locations are themselves interconnected by a feeder, the feeder not metallically connected to the utility grid. The end-user locations each hav... | 05/22/2012 |
| 8174151 | Power supply control apparatus A power supply control apparatus includes a plurality of power supply units for supplying electric power to a plurality of electric circuits respectively. The power supply control apparatus receives pulse signals from the exterior. Each of the plurality of power sup... | 05/08/2012 |
| 8159089 | Power supply circuit and semiconductor device for use therein A power supply circuit has: a DC/DC converter (M11, M12, L11, C11) which steps down an input voltage Vin to generate an output voltage Vout1 by rectifying and smoothing a pulsing switched voltage Vsw generated by turning on and off... | 04/17/2012 |
| 8148849 | Solar inverter and plant for converting solar energy into electrical energy There is described a plant (1) for converting solar energy into electrical energy, comprising a photovoltaic generator (2a) including at least one string (2) of photovoltaic modules (M), a pulse generator (31) able to send electric... | 04/03/2012 |
| 8148850 | Device for balancing the power supplied by power generators A device for balancing power generators, including a plurality of converters each including an elementary conversion cell with a switch driven by a comparator that receives a ramp on one input thereof and, on another input, a voltage from a driving amplifier wherein... | 04/03/2012 |
| 8148848 | Solid state power controller (SSPC) used as bus tie breaker in electrical power distribution systems The present invention provides an electrical power distribution system that includes a first primary distribution panel (PDP) connected to a first source of electrical power and a second PDP connected to a second source of electrical power. The second PDP is connect... | 04/03/2012 |
| 8138631 | Advanced renewable energy harvesting The power of DC electrical sources is combined onto a DC buss, such that each source behaves independently from any other source attached to the buss. In one embodiment, a converter module is attached to each of a plurality of solar photovoltaic panels and its outpu... | 03/20/2012 |
| 8106537 | Photovoltaic DC/DC micro-converter A photo-voltaic (PV) power generating system and a control system for PV array string-level control and PV modules serially-connected into strings of PV modules. The system includes plural parallel strings of serially-connected power-generating photovoltaic modules ... | 01/31/2012 |
| 8106538 | DC voltage converting device A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable connection. To improve such a DC voltage converting device in that also wit... | 01/31/2012 |
| 8106536 | Universal power supply system A universal power supply system is used for at least one electric consumer. The supply system comprises at least one AC source and a cable connection connecting said AC source to said electric consumer. The AC source has associated therewith an AC/DC converter for c... | 01/31/2012 |
| 8102078 | Dynamic electrical converter system A dynamic electrical converter system configured to receive a variable voltage input which is then converted to a proper electrical configuration for a load. The converter assembly utilized multiple converters, each of which is configured to accept a unique range of... | 01/24/2012 |
| 8089178 | Three phase power generation from a plurality of direct current sources A direct current to pulse amplitude modulated (“PAM”) current converter, denominated a “PAMCC”, is connected to an individual source of direct current. The PAMCC receives direct current and provides pulse amplitude modulated current at its three output termi... | 01/03/2012 |
| 8067857 | Redundant power supply systems and methods A redundant power supply method is provided. The method includes communicatively coupling a load to a first source via a plurality of first power supplies and to a second source via a plurality of second power supplies. The method further includes bi-directionally c... | 11/29/2011 |
| 8053930 | Solar power plant A solar power plant with a plurality of photovoltaic modules for generating a power to be fed in a multi-phase grid, several photovoltaic strings, which are allocated to different phases, being connected to a primary side of a mains transformer and at least one inve... | 11/08/2011 |
| 8053931 | Power control of transport system The power control of a transport system comprises an electric motor for moving the transport appliance as well as a power supply appliance of the motor, which comprises an intermediate circuit. The power supply appliance of the motor is fitted between the power sour... | 11/08/2011 |
| 8053929 | Solar power array with maximized panel power extraction A solar power array includes solar power panels, where each solar panel provides output current and voltage, separate DC-DC converters, where each solar panel is connected to a unique DC-DC converter, where each DC-DC converter is designed to maximize the power from... | 11/08/2011 |
| 8044537 | Modular HVDC converter A modular HVDC converter system including a high voltage direct current network, and at least two DC/AC converters being connected in series to the HVDC network. Each of the DC/AC converters is arranged to provide AC to a separate AC load. ... | 10/25/2011 |
| 8044538 | Multi-cellular photovoltaic panel system with DC-DC conversion replicated for groups of cells in series of each panel and photovoltaic panel structure A photovoltaic energy conversion system includes a distributed control structure for groups of cells of each multi-cellular panel, the components of which are entirely physically integrated in the photovoltaic panel. Each multi-cellular photovoltaic panel has a DC b... | 10/25/2011 |
| 8044536 | Powering devices having low and high voltage circuits Embodiments of the invention are directed to a device that includes a battery having an output of a battery voltage, a step-up voltage converter, a high voltage circuit, a low voltage circuit and a controller. The step-up voltage converter includes an input that is ... | 10/25/2011 |
| 8035253 | Controlling method for multi-converter structure having series-connected inputs and parallel-connected outputs The method of controlling a multi-converter having N converters with series-connected inputs and parallel-connected outputs is provided in the present invention. The proposed controlling method includes steps of: causing each of the N converters to have an intermitt... | 10/11/2011 |
| 8035252 | Power supply system, vehicle with the same, temperature increase control method for power storage device and computer-readable recording medium bearing program for causing computer to execute temperature increase control of power storage device A power supply system includes power storage devices, converters and a converter ECU controlling the converters. In temperature increase control of power storage devices, converter ECU determines an electric power transferred between the power storage devices via a ... | 10/11/2011 |
| 8026639 | Scheme for operation of step wave power converter A step wave power converter includes a plurality of transformers each configured to receive a Direct Current (DC) voltage from one or more independently generated power sources. Each transformer comprising a primary winding and a secondary winding. A plurality of br... | 09/27/2011 |
| 8018095 | Power conversion, control, and distribution system A power conversion, control, and distribution system includes multiple bulk power regulator (BPR) subassemblies, a bulk power distribution (BPD) subassembly, and a bulk power controller and hub (BPCH) subassembly. The BPR subassemblies are each configured to provide... | 09/13/2011 |
| 8008809 | 3-phase high power UPS A 3-phase uninterruptible power supply (UPS) including first, second, and third AC/DC converters, a DC/DC converter, and at least one DC/AC converter coupled to multiple electrical buses. The first, second, and third AC/DC converters each being configured to receive... | 08/30/2011 |
| 7994657 | Modular system for unattended energy generation and storage An apparatus and method for supplying energy to a load includes an energy recharge unit, an energy storage unit, an energy converter connected to the energy recharge unit, the energy converter being capable of transferring energy at a power level from the energy rec... | 08/09/2011 |
| 7989983 | Power conversion systems In a general aspect, a power conversion system includes a power converter, a transformer, and a voltage adjustment device. The power converter is configured to receive a variable DC power generated by a power generation device and to convert the received DC power to... | 08/02/2011 |
| 7973430 | Power supply A power supply is provided. The power supply comprises: a power input unit switching an input power; a transformer unit inducing an output power of the power input unit to a secondary side; a first power output unit connected to a first coil of the secondary side of... | 07/05/2011 |
| 7973429 | Apparatus with speaker An apparatus includes two DC/DC converters including two conversion circuits for converting a power supply voltage to first and second output voltages, respectively, two driving circuits for driving the respective conversion circuit based on first and second pulse w... | 07/05/2011 |
| 7969043 | Power management systems with multiple power sources An electronic system includes a plurality of primary power sources operable for powering a load and charging a secondary power source, and a power management unit coupled to the plurality of primary power sources and the secondary power source. The power management ... | 06/28/2011 |
| 7964992 | Circuit device including multiple parameterized power regulators In a particular embodiment, a circuit device includes a plurality of programmable voltage regulator circuits adapted to produce one or more unique power supplies. Each programmable voltage regulator circuit includes a power supply output terminal and a base regulato... | 06/21/2011 |
| 7960865 | Apparatus and method for controlling the motor power The invention concerns a power control apparatus and a method for supplying power between an electric machine and an energy source. The power control apparatus contains at least two converters comprising a plurality of switches, at least some of which switches belon... | 06/14/2011 |
| 7956494 | Versatile and intelligent power controller The invention provides a monolithic, highly integrated power supply circuit capable of providing various voltages for circuits on an expansion card, either from a main supply source or an auxiliary supply source. The monolithic power supply circuit preferably includ... | 06/07/2011 |
| 7939969 | Power supply system, vehicle with the same, temperature increase control method for power storage device and computer-readable recording medium bearing program causing computer to execute temperature increase control of power storage device A first voltage control unit includes a first PI control unit, a first switching unit and a first subtraction unit. The first subtraction unit subtracts an output of the first switching unit from (a voltage value)/(a target voltage) that is a voltage feedforward com... | 05/10/2011 |
| 7923865 | Multi-mode switched capacitor dc-dc voltage converter The disclosure describes techniques for converting an input voltage level to two or more output voltage levels using only two pump capacitors and three switching phases. The disclosure also describes techniques for selectively controlling a dc-dc converter to operat... | 04/12/2011 |
| 7923866 | Power supply system and vehicle including the same, and method of controlling the same When power storage units and are both in a normal condition, system relays are maintained in an ON state. A converter performs a voltage conversion operation in accordance with a voltage control mode, and a converter performs a boost operation in accordance with an ... | 04/12/2011 |
| 7898111 | Power supply methods and systems The invention provides, in some aspects, a power supply that includes a first rectifier circuit configured to receive a first AC input and to generate a first DC output, a second rectifier circuit configured to receive a second AC input and to generate a second DC o... | 03/01/2011 |
| 7880336 | Electric horizontal directional drilling machine system An electric horizontal directional drilling machine. An electric horizontal directional drilling machine is powered by an electric power assembly. The power assembly is made up of a fuel cell and inverter, or multiple fuel cells with synchronized inverters, are used... | 02/01/2011 |
| 7868482 | Method and apparatus for high efficiency rectification for various loads An apparatus for converting power includes at least one impedance matching network which receives an electrical signal. The apparatus includes at least one AC to DC converter in communication with the impedance matching network. Also disclosed is a method for poweri... | 01/11/2011 |
| 7855473 | Apparatus for phase rotation for a three-phase AC circuit An apparatus for providing phase rotation for a three-phase AC circuit. The apparatus comprises three phase input terminals and three phase output terminals, where a first phase input terminal is coupled with a third phase output terminal; a second phase input termi... | 12/21/2010 |
| 7847437 | Efficient operating point for double-ended inverter system Systems and methods are provided for controlling a double-ended inverter system coupled to a first energy source and a second energy source. The method comprises determining a constant power line associated with operation of the double-ended inverter system, the con... | 12/07/2010 |
