|
Match
|
Document |
Document Title |
|
|
7622912 |
Method for enabling monitoring of power consumption
Power consumption at a site is monitored. An electrical load is connected to a power source by an electrical conductor. A fuel-less energy producing device is electrically connected to a junction...
|
|
|
7616460 |
Apparatus, system, and method for AC bus loss detection and AC bus disconnection for electric vehicles having a house keeping power supply
An alternating current (AC) bus malfunction detection and protection module monitors an AC voltage that is provided on a bus by a house keeping power supply of a power system. If the AC voltage on...
|
|
|
7616432 |
Electrical distribution panel for a number of critical and non-critical loads
An electrical distribution panel includes first and second power inputs, a first circuit breaker electrically between the first power input and a first load bus, a second load bus, an automatic...
|
|
|
7615892 |
Modular and scalable power conversion system for aircraft
A method and apparatuses are used for power conversion. The apparatus according to one embodiment comprises a plurality of power conversion modules ( 130 — 1, . . . , 130 — n ), the plurality...
|
|
|
7615888 |
Multiple generator loadcenter and method of distributing power from multiple generators
A loadcenter for supplying power to a critical load is capable of isolating a distribution panel distributing power to the critical load from another distribution panel distributing power to a...
|
|
|
7615877 |
Power generation system for mobile power supply
The present invention is a mobile-energy generating system capable of providing redundant direct current power. It comprises a reciprocating engine and generator having dual fuel capability, a fuel...
|
|
|
7612469 |
Dual-input redundant power supply
A dual-input redundant power supply system includes a first AC source having a hot line and a neutral line, a second AC source having a hot line and a neutral line, a power relay, and an AC to DC...
|
|
|
7612468 |
Uninterruptible power supply device with circuit for degradation judgment of storage battery
There is herein provided an uninterruptible power supply device with a degradation judgment circuit 4 of a storage battery 2 which can perform an exact judgment, continuing the power supply to...
|
|
|
7612467 |
Power device and power device power supply method
A power device of the present invention makes a plurality of DC/DC converters redundant, and supplies power individually to a plurality of disk drives. Each first DC/DC converter is respectively...
|
|
|
7608947 |
Back-up power supply systems
A back-up power supply system includes, in one embodiment, a threshold detector circuit; a first switching circuit for enabling access to a back-up power source, the first switching circuit...
|
|
|
7608943 |
Power supply adapter and power supply system
Electronic devices are intended to be small-sized and lightweight. A fuel cell 54 is provided for a power supply adapter 3 . Power generated by the fuel cell 54 can be supplied to an...
|
|
|
7603874 |
Split power input to chiller
A chiller for supplying chilled fluid for cooling a room includes two distinct power inputs. A critical power input is configured to supply power to a controller and to a pump in a chilled-fluid...
|
|
|
7602083 |
Apparatus and method for powering load center circuits with an auxiliary power source
An electrical distribution system is designed to automatically connect a dedicated group of circuits, which are normally powered by a primary power source, to an auxiliary power source upon...
|
|
|
7599171 |
Electrical distribution panel including first non-critical load bus and second critical load bus
A load center includes an enclosure, a first power input, a second power input, a first circuit breaker having a line terminal electrically connected to the first power input and a load terminal, a...
|
|
|
7598627 |
Switch-mode power supply
A switch-mode power supply for selectively providing power from a main power source and a standby power source to an electronic device is provided. The switch-mode power supply includes a signal...
|
|
|
7595568 |
Ignition system for a gas turbine engine
In the case of an ignition system for a gas turbine engine, the power (P 1 , P 2 ) intended for the two ignition units ( 1, 2 ) is supplied via a power supply bus ( 10, 14 ) each comprising a...
|
|
|
7589436 |
Data processing unit and DC backup power supply
A backup power supply is so constructed that it is provided with multiple DC backup power supplies 111 to 11 N, each containing nickel-metal hydride battery, stored upright on the bottom of the...
|
|
|
7586211 |
Cost optimized redundant power supply with dual AC inputs
A cost optimized redundant power supply consists of a plurality of power units (PUs) wherein each PU has two AC front ends. Each of the two AC front ends receive power from separate AC power...
|
|
|
7579714 |
Uninterruptible power supply apparatus
An uninterruptible power supply apparatus, enabling to detect an interruption on a commercial power supply, with certainty, to be turned into a battery operation, but not due to a momentary...
|
|
|
7573396 |
Air craft emergency lighting system
An aircraft emergency lighting system including: a plurality of units having communication devices arranged to communicate wirelessly with a master controller, wherein each unit is wired to a...
|
|
|
7573232 |
Battery exchange apparatus and method for uninterruptible power supply
An uninterruptible power supply comprises an input to receive input power from a power source, an output to provide power to a load from at least one of the input power and the battery, a battery...
|
|
|
7569949 |
Transfer switch with generator maintenance indicator
A transfer switch having a transfer control provides electric power to a load. The transfer switch includes a power switching device provided with electric power from a first power source, such as...
|
|
|
7567060 |
System and method for advanced power management
A power management system is provided that includes a power supply means comprising a plurality of power supply strings, a testing means operably connected to said plurality of power supply strings...
|
|
|
7566990 |
Power systems and methods using an induction generator in cooperation with an uninterruptible power supply
A power system includes a load bus configured to be connected to a power source, a generator and an uninterruptible power supply (UPS). The generator is operated as an induction generator to...
|
|
|
7566989 |
Back-up power system for a cooling system
A power system that serves as a source of dedicated back-up power for a cooling system is disclosed. The power system utilizes a plurality of fuel cells, which produce direct current (DC) power. A...
|
|
|
7566988 |
Method and apparatus for monitoring UPS power sources
An uninterruptible power supply (UPS) system includes a first UPS module that has a first power source, a second power source and a controller operable to selectively connect the first or second...
|
|
|
7560831 |
Data center uninterruptible power distribution architecture
Apparatus and associated method and computer program products involve a highly efficient uninterruptible power distribution architecture to support modular processing units. As an illustrative...
|
|
|
7560830 |
Individual control circuit and method of multiple power output
An individual control circuit and method of multiple power output to be used on a single server power supply system includes a circuit board to receive power from the single server power supply...
|
|
|
7554276 |
Protection circuit for permanent magnet synchronous motor in field weakening operation
A safety circuit for providing protection against failures that impact safety of an inverter circuit driving a Permanent Magnet Synchronous Motor (PMSM) including high and low side switches...
|
|
|
7554220 |
Stable power supplying apparatus
A stable power supply apparatus in accordance with the present invention comprises a secondary battery, a bidirectional chopper circuit and a bidirectional converter, wherein the secondary battery,...
|
|
|
7550873 |
Uninterruptible power supply for home/office networking and communication system
An uninterruptible power supply for home/office networking and communication system (UPS) comprising: (i) an AC-DC converter, (ii) a battery charger, (iii) a rechargeable battery array, (iv) a...
|
|
|
7550872 |
Current sensor apparatus and method for uninterruptible power supply
A UPS has a current sensor for controlling operation of a UPS main power circuit positioned in series with the AC supply voltage so as to measure the net current used by each component connected to...
|
|
|
7541776 |
Method and system for operating a portable electronic device in a power-limited manner
Improved techniques to manage operation of a portable electronic device having a substantially depleted battery when power is available from an external, power-limited source are disclosed. In one...
|
|
|
7531917 |
Mobile power supply
A power supply system suitable for use in a mobile cart for providing power to peripheral devices. The power supply system includes a combination inverter and transformer connected between an AC...
|
|
|
7531916 |
Protection circuits for hybrid power systems
A power management and protection system is provided for a hybrid fuel cell system. The hybridization includes a fuel cell stack and an energy storage device (ESD) having either batteries,...
|
|
|
7526674 |
Methods and apparatuses for supplying power to processors in multiple processor systems
Methods and apparatuses for supplying power to processors in multiple processor systems are disclosed. Embodiments comprise a method of monitoring a parameter that is related to a first voltage...
|
|
|
7525217 |
Rectifier-super capacitor device for use in a power system for a telecommunication facility
The present invention is a device that includes a rectifier and a super capacitor packaged together in a single housing. The device has a first connection point that is coupled to the rectifier...
|
|
|
7521822 |
Protection techniques for a back-up electric power system
One embodiment of the present application is directed to a protection technique for a back-up electric power generation system. This system includes an electric power generator, generator control...
|
|
|
7521821 |
Circuit apparatus and fabrication method for circuit apparatus
Disclosed herein is a circuit apparatus including: plural modules having functions which can be substituted for each other; a function allocation section configured to set a one-on-one...
|
|
|
7518265 |
On-demand uninterruptible power supply
An uninterruptible power supply (“UPS”) is provided with a backup power supply that has an adjustable reserve power level that is based on a user's input. The UPS provides reserve power that...
|
|
|
7514816 |
Output current threshold adjustment for a power supply
A power supply comprises an alternating current-to-direct current converter (ADC) and an input signal adapted to couple to an output signal of another power supply. The output signal is indicative...
|
|
|
7514815 |
System and method for allocating power to loads
A system and method for adaptive control of power among a plurality of loads based on a categorization of the loads as either delayable or non-delayable, wherein the non-delayable loads are...
|
|
|
7511389 |
Emergency electric power supply unit
An emergency electric power supply unit ( 9 ) for backing up the main electric power supply system ( 1, 10 ) at the time of the malfunction of the main electric power supply system ( 1, 10 ) which...
|
|
|
7508094 |
UPS systems having multiple operation modes and methods of operating same
A power supply system includes an AC input configured to be coupled to an AC source, an AC output configured to be coupled to a load, a UPS having an input coupled to the AC input and an output...
|
|
|
7502233 |
DC power supply using either AC or DC input for both
There is provided a power supply for AC/DC and DC/DC conversion which receives the DC power supplied from airplanes, vehicles and vessels as well as normal AC power, and converts the power to DC...
|
|
|
7501719 |
Backup community power
An improved method and apparatus for providing backup community power. The improved system is able to deliver power to a community in the event of power failure of the lines feeding it by way of a...
|
|
|
7495356 |
Dual power supply system
An exemplary dual power supply system includes a first sensor connected to a first power supply, a second sensor connected to a second power supply, a selection switch, a control circuit, and a...
|
|
|
7492058 |
Modular uninterruptible power supply with loadsharing between modules
In the preferred embodiments, an uninterruptible power supply has multiple UPS modules connected in parallel. Each module has an AC-DC-AC converter and a subcontroller for controlling the operation...
|
|
|
7492057 |
High reliability DC power distribution system
A high voltage DC power distribution system that eliminates static switches and batteries. Flywheel energy storage devices and extremely reliable, high power DC/DC converters provide at a lower...
|
|
|
7486033 |
Lighting device
A lighting device including: a power management module connected with and processing alternating-current power and outputting direct-current power; a light source driving module receiving and...
|