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US20150188317 POWER CONVERSION SYSTEM FOR A MULTI-STAGE GENERATOR  
An electric power generation system is provided, including a generator having a plurality of stages engaged by a prime mover; and a plurality of branches for connecting the stages to an electrical...
US20140265604 POWER TOOL HAVING MULTIPLE BATTERY PACKS  
A power tool operable to receive a first battery pack and a second battery pack. The power tool including a motor; a first switch; a second switch; and a controller. The controller operable to...
US20130264882 POWER GENERATION AND DISTRIBUTION SYSTEM FOR A WIND TURBINE  
A power distribution system for a wind turbine having a base and a nacelle, the wind turbine being coupled to a power grid. The system can include a main power circuit, the main power circuit...
US20110133684 Electric Gas Stations Having Range Extension and Grid Balancing  
A system includes a plurality of rechargeable batteries, a housing in form of a storage facility configured to house the plurality of rechargeable batteries, and a bi-directional charger coupled...
US20100295376 SYSTEMS AND METHODS FOR DYNAMIC POWER ALLOCATION  
Disclosed herein are systems and methods for providing power to a load. Systems according to the present embodiment may include an electrical generator to generate electrical power and a battery...
US20130093249 AUTO-SWITCHING DUPLEX MODULE  
A system and method (“utility”) for providing power to an electrically powered device from alternate, redundant power sources via a single power cord. The utility is operable to provide redundant...
US20110260533 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.
US20110278937 SELECTING A POWER PATH BASED ON TEMPERATURE  
This document discusses, among other things, a method for a portable electronic device comprising measuring a temperature of the portable electronic device and switching a power path for the...
US20130154370 POWER MANAGEMENT SYSTEM THAT INCLUDES A GENERATOR CONTROLLER WHICH SELECTIVELY ACTIVATES A TRANSFER SWITCH  
A power management system may include a generator controller. The generator controller may (i) operate the generator; and (ii) prohibit a transfer switch from supplying first or second power to an...
US20120049633 MULTI-VOLTAGE POWER SUPPLY FOR A UNIVERSAL AIRPLANE GROUND SUPPORT EQUIPMENT CART  
An airplane ground support system includes a multi-voltage power supply. A control system within the power conversion module receives measurements to regulate the power module's output to a...
US20120212060 DC PLANT FOR SELECTING AMONG MULTIPLE POWER SOURCES  
Various embodiments of a DC plant. In one embodiment, the DC plant includes (1) power sources couplable to a common DC bus, (2) rectifiers and DC-DC converters associated with the power sources...
US20110051325 POWER SUPPLY SYSTEM  
The present invention provides a power supply system equipped with private power generation facilities suitable for use in general households and small-scale facilities and adapted to enable a...
US20120319493 DYNAMICALLY RECONFIGURABLE FRAMEWORK FOR A LARGE-SCALE BATTERY SYSTEM  
A dynamically reconfigurable battery framework for management of a large-scale battery system systems is provided. The framework monitors, reconfigures, and controls large-scale battery systems...
US20130285458 POWER SOURCE SWITCHING CIRCUIT AND POWER SOURCE SWITCHING SYSTEM WITH POWER SOURCE SWITCHING CIRCUIT  
A power source switching circuit, includes a first and second contact, a first, second, and third relay. The first contact includes a first normally open main contact and a first normally closed...
US20130200712 PHOTOVOLTAIC POWER PLANT  
A photovoltaic power plant (25, 32, 33, 34, 35) comprising one or more photovoltaic devices (27), each device comprising at least two terminals (30, 31) wherein one or more of the terminals (30,...
US20150130280 VARIABLE NEUTRAL IMPEDANCE FOR MULTI-SOURCE SYSTEM  
A system includes a first power source and a variable neutral impedance circuit configured to vary a neutral impedance of the first power source based on presence and absence of a parallel...
US20110089763 Battery Energy Source Arrangement And Voltage Source Converter System  
The invention relates to power networks, and in particular to a battery energy source arrangement and voltage source converter system in such network. The battery energy source arrangement...
US20150263561 POWER CONTROL TECHNIQUES FOR AN ELECTRONIC DEVICE  
A portable electronic device, such as a fluid infusion device, obtains its operating power from a primary battery and a secondary battery. The primary battery may be a replaceable battery, and the...
US20120235485 POWER CONTROL TECHNIQUES FOR AN ELECTRONIC DEVICE  
A portable electronic device, such as a fluid infusion device, obtains its operating power from a primary battery and a secondary battery. The primary battery may be a replaceable battery, and the...
US20110181117 POWER SWITCHING FOR ELECTRONIC DEVICE TEST EQUIPMENT  
An apparatus, system and method are provided for testing a battery-powered electronic device-under-test in a transport frame engaged with a test fixture. A transport frame power supply is arranged...
US20140339902 Design for Hybrid Super-Capacitor / Battery Systems in Pulsed Power Applications  
A hybrid super-capacitor/battery system is disclosed (particularly under high pulsed power and low temperature conditions) which allows an existing battery system to ride through transient loading...
US20120175961 Disconnection of a String Carrying Direct Current Power  
A direct current (DC) power combiner operable to interconnect multiple interconnected photovoltaic strings is disclosed. The DC power combiner may include a device adapted for disconnecting at...
US20140210273 Hybrid Reserve Power Source Systems For Munitions  
A method of sustaining a production of power in a munition. The method including: (a) initiating a reserve power source of two or more reserve power sources upon a predetermined event; (b) storing...
US20140246913 Drive Circuit For Electrical Load  
A circuit for an electrical load comprises a passive transformer, the secondary of which is connected to power cells for each phase according to the transformer tappings. Each power cell comprises...
US20140042819 ELECTRONIC APPARATUS AND POWER MANAGEMENT METHOD  
The disclosure discloses an electronic apparatus and a power management method are disclosed. The electronic apparatus includes a power board, a remote-controller receiving board and a mainboard....
US20100320842 STARTUP SOURCE INVERTER  
A method and an apparatus for setting up synchronization, with a power grid, of an inverter having a photovoltaic generator as a primary energy source is disclosed. The inverter is supplied with...
US20110001485 ENERGY MANAGEMENT FOR AN ELECTRONIC DEVICE  
Energy management of an electronic device using multiple electric power sources. The electric power sources may include a parasitic electric power source, a rechargeable electric power source, an...
US20110278936 LOW DROPOUT REGULATOR WITH MULTIPLEXED POWER SUPPLIES  
Generally, with low drop out (LDO) regulators that use multiplexed power supplies, the transistors within the regulator can use a substantial amount of area. Here, a regulator is provided that...
US20110121657 POWER SUPPLY CIRCUIT  
A power supply circuit for a graphic card on a motherboard includes first to fourth electrical switches. The first electrical switch is connected to the motherboard to receive a power good signal...
US20140028102 GENERATOR MANAGEMENT SYSTEM THAT DETERMINES A TIME TO ACTIVATE AND DEACTIVATE GENERATORS BASED ON THE LOAD LEVEL  
Some embodiments relate to a generator management system 10. The generator management system 10 includes a first generator 11 and a second generator 13. A bus 15 connects at least one of the first...
US20110238231 ALTERNATIVE POWER OPERATION OF LOADING DOCKS AND LOADING DOCK EQUIPMENT  
Technology generally directed to operation of loading dock equipment such as vehicle restraints, dock levelers, overhead doors/openers, barrier gates, lights, and linked or unlinked control...
US20120217810 DC PLANT CONTROLLER AND METHOD FOR SELECTING AMONG MULTIPLE POWER SOURCES  
Various embodiments of a DC plant controller and methods of selecting among multiple power sources. In one embodiment, the DC plant controller includes: (1) a source identifier configured to...
US20120126625 POWER MANAGEMENT WITH OVER VOLTAGE PROTECTION  
This document discusses, among other things, systems and methods to provide an internal supply rail with over voltage protection using a host power source, an external power source, and a switch...
US20130020875 BATTERY PACK FOR AN ELECTRONIC DEVICE  
A battery pack for providing power to an electronic device which includes a rechargeable battery, a non-power line power source, and a circuit configured to selectively deliver direct current (DC)...
US20110089764 METHOD OF CONTROLLING BATTERY POWER, POWER CONTROL APPARATUS, AND PORTABLE DEVICE USING THE SAME  
A method for controlling batteries, a power control apparatus, and a portable device using the same are provided. Based on a connection status of a main battery and an auxiliary battery and the...
US20130290743 POWER MANAGEMENT SYSTEMS FOR ACCEPTING ADAPTER AND SOLAR POWER IN ELECTRONIC DEVICES  
The disclosed embodiments provide a power management system that supplies power to components in an electronic device. The power management system includes a system microcontroller (SMC) and a...
US20110095725 Batteries, Battery Systems, Battery Submodules, Battery Operational Methods, Battery System Operational Methods, Battery Charging Methods, and Battery System Charging Methods  
Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods are described....
US20120306276 ELECTRICAL AND/OR ELECTRONIC SUPPLY CIRCUIT AND METHOD FOR PROVIDING A SUPPLY VOLTAGE  
An electrical and/or electronic supply circuit, which serves to provide a first or a second, essentially constant value of a supply voltage, which supply voltage serves to operate an operating...
US20120025896 POWER SUPPLY SELECTOR AND POWER SUPPLY SELECTION METHOD  
In the field of electronic technologies, a power supply selector and a power supply selection method are provided. The power supply selector includes: a first selection module, configured to...
US20130264884 ALTERNATING CURRENT PHOTOVOLTAIC MODULE AND METHOD FOR MANAGING ELECTRICITY THEREIN  
An alternating current photovoltaic module includes a photovoltaic cell module, an inverter, and an electricity storing component. The inverter includes an electricity transforming unit and a...
US20120286579 ELECTRICAL POWER CONDITIONING UNIT AND SYSTEM  
An electrical power conditioning for an electrical power conditioning system comprises a first terminal for connecting either an electrical power generator or a battery; a second terminal for...
US20130328405 GROUND TEST CIRCUIT  
A ground test circuit for a power supply unit includes a sampling circuit, a converting circuit, a processing circuit, and a switch circuit. The sampling circuit detects a voltage difference...
US20140062206 Low Voltage Solar Electric Energy Distribution  
Subject matter disclosed herein relates to distribution of electrical energy, and more particularly to distribution of solar electric energy at or near particular power points of solar cells.
US20140265602 CIRCUIT FOR REDUCING ELECTRICAL POWER CONSUMPTION  
A control circuit includes a first input coupled to a power source, a second input coupled to an output of a power supply, and an output coupled to an input of the power supply. The control...
US20110101218 Mass Spectrometer  
A method of switching between two modes of power supply to a mass analyser is provided. In a first mode of operation, operated for a first predefined time duration, a first power supply, coupled...
US20120228947 ENERGY COLLECTION SYSTEM AND METHOD  
A system and method is provided for optimizing energy collection from a plurality of energy generators, which have different IV-characteristics thus defining over-performing and under-performing...
US20120146421 FUEL CELL SYSTEM  
An output of a fuel cell is appropriately controlled. A required electric power generation amount calculation unit calculates and adds: an amount of electric power to be supplied to a traction...
US20110130721 Configurable power supply using MEMS switch  
Systems and methods for forming a configurable power supply uses a plurality of dual substrate MEMS switches to couple a plurality of power cells to provide a selectable, or variable, output...
US20140084694 POWER MANAGEMENT SYSTEM COMPRISING A POWER SOURCE, A SOURCE OF RENEWABLE ENERGY, AND A POWER CONVERTER  
The invention relates to a power management system, comprising: a power source; a source of renewable energy; a power converter; a first selection means arranged to connect the input of the power...
US20120139348 LOAD CONDITION CONTROLLED INLINE POWER CONTROLLER  
In various embodiments, a power converter system that is configured to provide power to an electronic device is provided. The power converter system comprises a power converter and a power...