Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 17,617

Document Document Title
WO/2017/027041A1
In some examples, a method includes determining, with an Uninterruptible Power Supply (UPS), a power state of the UPS; determining, with the UPS, a power state of a device attached to the UPS; determining, with the UPS, whether an action...  
WO/2017/027597A1
An uninterruptible power supply system includes an AC input interface and a DC output interface, and a plurality of power supply paths coupled between the AC and DC interfaces. A first one of the power supply paths has a lower component ...  
WO/2017/024642A1
A three-phase rectifier boost circuit and a control method therefor, and an uninterruptible power supply. The circuit mainly comprises a positive battery pack (BAT+), a negative battery pack (BAT-) and a rectifier boost module. The recti...  
WO/2017/023961A1
To prevent overloading of a shared secondary power feed, active transfer switches are controlled to switch discrete hardware from the shared secondary to a corresponding primary power feed, even if such a primary is currently nonoperatio...  
WO/2017/023260A1
In one implementation, a system for a soft-start includes a first switch coupled between a direct current (DC) source input and an output to a load, a second switch coupled between a DC backup input and the output to the load, and a soft...  
WO/2017/023670A1
Some embodiments of the inventive subject matter provide a system including a plurality of power supply units having AC inputs configured to be coupled to an AC power source and AC outputs coupled to respective first busses. Each of the ...  
WO/2017/022329A1
This abnormality detection method for single-phase AC input voltage is executed by a control unit having a phase-locked loop function. In the method: a simulated voltage waveform phase-locked to input voltage is sequentially generated by...  
WO/2016/051245A3
The various embodiments herein disclose a charging adapter to enhance a battery backup capacity of a load device. The charging adapter comprises an adapter circuit, and a supplementary power supply unit. The adapter circuit comprises a v...  
WO/2017/022169A1
This battery control device in an electronic apparatus (50) that is supplied with power from a battery pack (10) including a secondary battery (11) is provided with: a battery monitoring unit (13) that monitors the battery remaining quan...  
WO/2017/022930A1
A refrigerator according to an embodiment of the present invention includes a power input part through which power is input from a UPS device connected to a commercial power source and an auxiliary power source; a voltage sensor configur...  
WO/2017/022936A1
The present invention relates to a standby power cutoff system and a master information processing device thereof, the processing device comprising: a database having device information on a plurality of devices of which standby power is...  
WO/2017/018785A1
An enable unit (200) controls a DC/DC boosting unit (150) to operate only for a prescribed initial operation time from when the DC/DC boosting unit (150) is started, when a dimming switch (160) is turned on, a reset unit (173) of a micro...  
WO/2017/019359A1
A redundant power system (100) includes a first MOSFET (202) having a first gate (206), a first source (210), and a first drain (208). A second MOSFET (204) having a second gate (212), a second source (214), and a second drain (216). The...  
WO/2017/019740A1
An uninterruptible power supply (UPS) and method for managing power flow in a grid- tied photovoltaic system, wherein the UPS provides grid-tie, backup power, voltage-frequency relay, power factor control, and load-leveling functions. Th...  
WO/2017/017975A1
A power generation system capable of discharge testing of a battery and load testing of a generator. In this power generation system each resistance unit has batteries and a charging circuit. A first switch unit is used to control switch...  
WO/2017/019092A1
In one implementation, a system for providing back-up power to non-direct loads includes a first switch coupled to a back-up power source and a node that is coupled between an input and an output, wherein the input is coupled to a main p...  
WO/2017/017092A1
The invention relates to an electrical load (1) of a motor vehicle, comprising a first electrical vehicle-electrical-system part (2a) for supplying the electrical load (1) with electrical energy from a first vehicle electrical system (15...  
WO/2017/017391A1
This lighting system (1) includes: an electrical enclosure (100) that is connected to a mains supply (2) via an electrical switchboard (200); and a network (R) of bulbs (10) paired with the electrical enclosure (100), said electrical enc...  
WO/2017/017719A1
This uninterruptible power source device executes counter voltage generation mode between bypass power supply mode and lap power supply mode, performs a voltage feed-forward control with respect to an inverter (2) in accordance with the ...  
WO/2017/014045A1
In a charge/discharge circuit (33), one end of a resistor (R1) is connected to one end of a switch (41). One end of a switch (42) is connected to a connection node between the switch (41) and the resistor (R1). A control unit (37) turns ...  
WO/2017/014044A1
A voltage transformation circuit (47) in a power supply device (12) transforms the terminal voltage of a capacitor (46) and outputs the transformed voltage to a FET (42). The connection node located between the source of the FET (42) and...  
WO/2017/013991A1
This power supply unit is provided with: an alternating current circuit extending from an input terminal to an output terminal; a first voltage sensor that detects an input voltage at the input terminal; a second voltage sensor that dete...  
WO/2017/014041A1
A power supply device (12) is provided with a first supply path for supplying power inputted from a battery (10) to a motor, and a second supply path for supplying power stored in a capacitor (45) to the motor. The first supply path and ...  
WO/2017/009998A1
An uninterruptible power supply system (1) is provided with: N UPS modules (U1 to UN) that are connected, in parallel, between an AC power source (51) and a load (52); a current detector (4) that detects a load current; and a control uni...  
WO2017008532A1
An alternating current (AC) and direct current (DC) mixed air compressor controller. A control circuit in the controller successively comprises: an input circuit switching a power supply mode between direct current (DC) power supply and ...  
WO/2017/006427A1
An uninterruptible power supply device (1) receives alternating current power with a first load (53), said alternating current power being supplied from an alternating current power supply (51). The uninterruptible power supply device (1...  
WO/2017/004800A1
A household solar lighting system, which relates to the field of household lighting systems. The system comprises a solar cell panel, a storage battery, a main controller, a DC/AC inversion control part and a lighting load, and also comp...  
WO/2017/001498A1
The present invention provides a method for operation of an offline uninterrupted power supply (100), in particular a medium-voltage uninterrupted power supply, for providing power to a load in case of failure of a power source, the unin...  
WO/2017/001483A1
The present invention provides a method for operation of an offline uninterrupted power supply (100), in particular a medium-voltage uninterrupted power supply, for providing power to a load (102) in case of failure of a power source (10...  
WO/2017/004146A1
A power system having a plurality of operating modes including an active mode and an active standby mode includes a power converter and a controller the power converter is configured to adapt a power supply to a desired output, and the p...  
WO/2016/206794A1
The invention relates to an actuating drive (10) with an electric motor (20), which is designed to actuate an actuating element (30), and with an emergency power supply device (50), which is designed to supply an actuating drive (10) com...  
WO/2016/207020A1
An apparatus and method of ensuring that an emergency lighting driver is in proper operation is disclosed. In one embodiment, the apparatus includes an emergency lighting driver configured to charge an energy source by an AC mains power ...  
WO/2016/209597A1
A system includes a control system (104) and a Remote Terminal Unit (RTU) (102). The control system is configured to communicate data with one or more field devices (106) via the RTU. The RTU is configured to transmit received data from ...  
WO/2016/156131A3
Disclosed is a switchgear cabinet arrangement (1a..1f) comprising an input (E) for connecting to an energy supply network and at least one output (A). The switchgear cabinet arrangement (1a..1f) also has multiple electrical conductors (2...  
WO/2016/210065A1
Automatic transfer switching apparatus and systems include a switching device including an input line, a sensor, and a parallel assembly of a solid-state relay and latching relay electrically connected with the input line. The solid-stat...  
WO/2016/202082A1
Provided is service processing method based on a main/standby power source. The method comprises: detecting whether a main power source is powered down; when the main power source is powered down, controlling a standby power source to su...  
WO/2016/203995A1
Provided are a power supply system and a charging station provided with a lithium-ion capacitor (LIC) as a new DC power supply, thereby taking advantage of the characteristics thereof. A power supply system that is provided with a first ...  
WO/2016/203635A1
An uninterruptible power supply device equipped with: an AC input terminal (T1) that receives AC power from a commercial AC power supply (11); a battery terminal (T2) connected to a battery (12); first and second AC output terminals (T3,...  
WO/2016/201603A1
A power-down alarming circuit and a network device, comprising: a flow-back prevention unit, a voltage promotion unit, an energy storage unit, an output control unit and a detection unit, wherein, the voltage promotion unit, when startin...  
WO/2016/197500A1
An ORING control circuit and a power system. The ORING control circuit comprises a field effect transistor Q118, a triode VT102, a triode VT104 and a switching circuit, wherein a source electrode of the field effect transistor Q118 is co...  
WO/2016/199380A1
The present invention addresses the problem of providing a power storage system, a power storage device, and an operation method for a power storage device with which it is possible to supply single-phase three-wire power by operating a ...  
WO/2016/201346A1
Emergency light devices, systems and methods that provide instant light in a power outage or other situations. One or more sensors monitor the flow of electricity, and when the flow of electricity is stopped or no longer present, an emer...  
WO/2016/192798A1
The present invention relates to an electrical household appliance having a secondary component powered by a primary component power unit on a selective basis, said secondary component's power unit being temporarily powered to achieve a ...  
WO/2016/195922A1
An uninterruptible power supply system (100) has a flywheel system/battery combination (106) as a source of back-up DC power. When power is restored after a power outage, a controller (302) of the uninterruptible power supply system (100...  
WO/2016/192800A1
The present invention relates to an electrical household appliance having a zero standby mode which is capable of achieving a true zero power consumption standby state. The present invention more particularly relates to an electrical hou...  
WO/2016/194126A1
This uninterruptible power supply device is basically a device (1) that executes a constant inverter power supply system using a first semiconductor switch (3), and in the cases where a second semiconductor switch (20), i.e., an option i...  
WO/2016/193080A1
The invention relates to a power supply device of an electrical receiver (RE) comprising a circuit switching between at least two direct-current voltage sources connected in parallel (S1,S2). Two controlled switches (C1,C2) allow switchi...  
WO/2016/189976A1
An uninterruptible power supply device configured with multiple power supply units, multiple battery units, and one integrated information management unit. The integrated information management unit is connected to a personal computer (m...  
WO/2016/183757A1
A method for pushing production information when a function is adjusted according to a power supply and a mobile phone, which relate to the field of mobile terminals. The method comprises: detecting a remaining capacity of a first power ...  
WO/2016/184802A1
To operate a local AC power supply system (1) with a genset (6), which comprises an internal combustion engine (8) and a generator (7), and an uninterruptible power supply (USV) (2), which comprises an energy store (15), the genset (6) i...  

Matches 501 - 550 out of 17,617