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US20100331682 DEVICE AND METHOD FOR ADVANCED LOW-POWER MANAGEMENT OF A SENSOR TO MEASURE A PARAMETER OF THE MUSCULAR-SKELETAL SYSTEM  
A sensing insert device (100) is disclosed for measuring a parameter of the muscular-skeletal system. The sensing insert device (100) can be temporary or permanent. Used intra-operatively, the...
US20120169125 UNINTERRUPTIBLE POWER SUPPLIES WITH CONVERTER OPERATION CONDITIONED UPON STATIC SWITCH COMMUTATION AND METHODS OF OPERATION THEREOF  
A UPS is operated by deasserting a static switch drive signal, e.g., a gate signal to a thyristor, and then delaying provision of power from a converter circuit of the UPS, e.g., an inverter or...
US20050200205 On-site power generation system with redundant uninterruptible power supply  
Disclosed is a method and system for providing constant critical AC electrical load with primary, secondary, and in some cases a tertiary source of power with higher reliability and lower...
US20120112545 M2LC System Coupled to a Rectifier System  
A system. The system is a modular multilevel converter system and includes a plurality of series connected modular multilevel converter cells. At least one of the modular multilevel converter...
US20120074778 Method And Apparatus For Booting Up Digital Circuit Nodes Coupled To A Single Conductor Current Line  
Light Emitting Diodes (LEDs) are increasingly used in illumination applications. To control multiple Light Emitting Diodes (LEDs), or any other controllable light source, this document introduces...
US20150378415 BACK-UP POWER SUPPLY SYSTEMS AND METHODS FOR USE WITH SOLID STATE STORAGE DEVICES  
Back-up power systems and methods for use with solid-state storage systems. A back-up power device includes an energy storage unit and first and second connections. A charge source is attachable...
US20150280493 METHOD FOR CONTROLLING POWER SUPPLY AND ELECTRONIC DEVICE  
An electronic device is provided. The electronic device includes a switch configured to selectively connect power supplied from a power adaptor connected to the electronic device, a system load...
US20100019574 ENERGY MANAGEMENT SYSTEM FOR AUXILIARY POWER SOURCE  
A control system is provided for controlling a load powered by an auxiliary power source during an interruption in the utility power source and/or during a power failure. The control system of the...
US20120074786 UNINTERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS USING ISOLATED INTERFACE FOR VARIABLY AVAILABLE POWER SOURCE  
An uninterruptible power supply (UPS) system includes a first port configured to be coupled to an AC power source and a second port configured to be coupled to a load. The system also includes a...
US20110260538 HIGH RELIABILITY DUAL POWER SOURCES AUTOMATIC SWITCH CIRCUIT AND ISOLATION APPARATUS OF THE SAME  
A high reliability dual power sources automatic switch circuit and an isolation apparatus thereof are provided. The dual power sources automatic switch circuit includes a main power source circuit...
US20080068782 Mobile power system  
A mobile power system for producing power at a desired location includes a first power generating device of a first type coupled to a transportable housing, and a second power generating device of...
US20060017328 Control system for distributed power generation, conversion, and storage system  
A distributed power generating system enables very rapid and reliable start-up of an engine used to generate back-up power, thereby substantially reducing the need for stored power. More...
US20160190866 POWER CONTROL DEVICE  
A power control device for controlling electrical power transferred between an AC power grid and a load or between the AC power grid and an auxiliary power source. For example, the power control...
US20090206841 INTELLIGENT FAULT-TOLERANT BATTERY MANAGEMENT SYSTEM  
A battery pack monitoring system for monitoring a plurality of battery modules within a battery pack. Primary monitoring circuits are coupled to monitor respective battery modules and have...
US20100013315 Device And Method For Supplying Power To A Critical Load  
A power supply device for high voltage includes first and second back-to-back voltage converters, wherein an electrical energy store is connected to the DC side of the first voltage converter, a...
US20120267951 METERING ASSEMBLY AND CUSTOMER LOAD PANEL FOR POWER DELIVERY  
Systems and methods for power delivery to a load through a transfer switch are provided. The transfer switch has a first input terminal coupled to a source of a first power, a second input...
US20120086277 METHOD AND APPARATUS FOR PROVIDING UNINTERRUPTIBLE POWER  
Methods and apparatus for providing uninterruptible power are provided by aspects of the invention. One aspect is more particularly directed to an uninterruptible power supply for providing power...
US20160134159 SEMICONDUCTOR INTEGRATED CIRCUIT AND OPERATING METHOD THEREOF  
A semiconductor integrated circuit included a power supply circuit having a first input terminal, a second input terminal, and an output terminal, wherein the power supply circuit includes a...
US20150035358 ELECTRICAL POWER MANAGEMENT SYSTEM AND METHOD  
An electrical power system and a method of managing electrical power. Some embodiments provide improved fault isolation and service continuity circuitry. In some embodiments, a first source...
US20090079266 Electrical Power Distribution System and Method Thereof  
An auxiliary electrical power system for providing auxiliary power to an electrical power distribution system containing a plurality of loads and a plurality of primary power sources, wherein each...
US20060192433 Uninterruptible power supply and method for supplying uninterruptible power to a load  
An uninterruptible power supply and method for supplying uninterruptible power to a load is described and which includes a source of substantially continuous electrical power for energizing a load...
US20150270712 CONTROLLING APPARATUS, POWER CONVERTING APPARATUS AND CONTROLLING SYSTEM  
According to one embodiment, a controlling apparatus comprises an acquiring unit that acquires a power value of a power line, the power line transmitting power between a first grid and a second...
US20080119991 Communication device and passive safety device  
A communication device for securing a capacity of a backup power supply is provided. The communication device is connected to a power supply and a backup power supply, and communicates according...
US20060202559 Power unit  
A system interconnection control section 7 interconnects and parallels off an output from a generator 1 with a system 9, and supplies an output from the generator 1 to a load 10. A selection...
US20140103724 BIDIRECTIONAL POWER SYSTEM, OPERATION METHOD, AND CONTROLLER FOR OPERATING  
A power source of a bidirectional power system includes an energy storage device. Power can be transferred between the power source at a DC voltage and an electrical distribution network and/or a...
US20120049621 BATTERY MANAGEMENT APPARATUS  
A vehicle carries a battery package as its power source. Each of plural battery modules in the battery package has a memory device for memorizing identification information that proves...
US20060158037 Fully integrated power storage and supply appliance with power uploading capability  
Systems, methods and devices for integrating alternative energy sources and energy storage components into a single device with systems for control and safety monitoring to provide for use of the...
US20160204653 SEMICONDUCTOR DEVICE BEING CAPABLE OF IMPROVING THE BREAKDOWN CHARACTERISTICS  
A semiconductor device, wherein the semiconductor device includes a high-voltage supply circuit suitable for supplying a high voltage; a discharge circuit suitable for discharging the high...
US20060068239 Electric power source apparatus using fuel cell and method of controlling the same  
A method of controlling an electric power source apparatus, which comprises supplying electric power to an electronic device on which a secondary battery is mounted from a power source apparatus...
US20140217827 APPARATUS FOR AND METHOD OF OPERATION OF A POWER INVERTER SYSTEM  
A power inverter system consists of a connection to a primary DC power source, a connection to an AC grid or load, a plurality of switching elements and filter elements to connect the DC power...
US20150357864 POWER SOURCE SWITCHING APPARATUS AND METHODS FOR DUAL-POWERED ELECTRONIC DEVICES  
A power source switching circuit for a dual-powered electronic device can provide improved battery utilization by allowing a lower range of battery voltages to be used without causing the...
US20090206668 UNINTERRUPTIBLE COOLING SYSTEM AND APPARATUS  
A cooling system and power control apparatus provides an uninterruptible power supply. In one embodiment, the uninterruptible power supply provides power to an air conditioning system for cooling...
US20160065003 POWER SYSTEM AND METHOD  
A power system including a variable speed generator set for supplying power to an electrical power grid is provided. The generator set includes an engine and a generator. A power converter is...
US20140152109 MEDIUM VOLTAGE UNINTERRUPTIBLE POWER SUPPLY  
A medium voltage uninterruptible power supply system is presented. The system includes a first power converter coupled between a first bus and a second bus. Furthermore, a second power converter...
US20120038213 NON-CHARGING BATTERY BACKUP UNIT (BBU)  
A battery backup unit (BBU) includes a housing, at least one battery compartment in the housing with an output terminal, a DC input, a DC output, a path from the DC input to the DC output,...
US20090174258 Built-in uninterruptible power supply system and electronic device using the same  
A built-in uninterruptible power supply system and an electronic device using the same are provided. The built-in uninterruptible power supply system supplies power to an electronic component of...
US20120098344 PHOTOVOLTAIC UNITS, METHODS OF OPERATING PHOTOVOLTAIC UNITS AND CONTROLLERS THEREFOR  
The present invention relates to the field of photovoltaic systems with solar cell (s) or modules having insolation differences or mismatch. Each solar module is formed by placing a large number...
US20110298287 PORTABLE TRANSFORMER AND METHOD FOR IMPROVING RELIABILITY OF ELECTRIC POWER DELIVERY  
The present invention relates to an apparatus and method for improving the transportation and installation of portable step-up power transformers for a power generating station due to failure or...
US20130099574 SYSTEM AND METHOD FOR MULTIPLE POWER SUPPLIES  
A system having multiple uninterruptable power supplies switchably coupled to a single energy storage device. The uninterruptable power supplies are switchably coupled to the single energy storage...
US20130002027 UNINTERRUPTIBLE POWER SUPPLY  
An uninterruptible power supply includes an input and an output. The uninterruptible power supply may include a first power path between the input and the output. The uninterruptible power supply...
US20100141039 HIGH AVAILABILITY, HIGH EFFICIENCY DATA CENTER ELECTRICAL DISTRIBUTION  
Unlike symmetric power feeds for dual-corded server environments, an asymmetrical power system for high availability environments uses an imbalanced power feed system, allowing lower cost...
US20100073871 EFFICIENT SITE COOLING TECHNOLOGY  
A method for providing Electronic Equipment cabinets and shelters with an advanced supplemental cooling system, with the use of “stored coolant” produced during off peak periods as opposed to the...
US20070114849 Electrical load with preferential source  
A regulator circuit, embedded in a device, which is adapted to draw power from a power source internal to the device and a power source external to the device. The regulator circuit includes a...
US20170047772 SYSTEM AND METHODS FOR DISTRIBUTED UNINTERRUPTABLE POWER SUPPLIES  
According to one aspect, a distributed uninterruptible power supply (UPS) for mounting in a data center rack is provided. The distributed power system includes an input constructed to receive...
US20100187908 Maintenance Bypass Device  
There is provided a maintenance bypass device capable of achieving safety and efficiency in replacing work of a UPS. The maintenance bypass device (1) is equipped between a power supply (300) and...
US20080197705 System including a microturbine and a high-frequency alternator generating backup power for a telecommunications system  
A system includes an electrical load formed by a number of circuits within a system performing telecommunication functions, primary and backup sources of electrical power, and a relay that...
US20120261992 Renewable Energy Power Controller  
A system to provide power to a load from a renewable power source and an energy storage device, comprises input and isolation circuits for receiving power from renewable energy sources and to...
US20120217796 Control Device for Putting An Electronic Member of a Communication Network on Hold Prior to Rebooting  
The invention relates to a control device (D) intended for forming part of an electronic member (OE) to be connected to a communication network (R) and which includes: i) a power-supply means...
US20110001361 METHOD FOR SUPPLYING A LOAD WITH ELECTRICAL POWER  
The present invention relates to a method for supplying at least one load with electrical power. The at least one load is in this case supplied with power from an electrical DC voltage source...
US20100026098 Power supply assembly  
A power supply assembly including a plurality of power supply modules which can be operated in parallel and are inserted or can be inserted into a common switch cupboard or rack or into a...
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