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WO/2021/048295A1 |
The invention relates to a method for operating an uninterruptible power supply, UPS, (1, N) for connecting a load (2) to an AC source (3) and a DC source (4), the UPS (1, N) comprising a first converter assembly (5) comprising at least ...
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WO/2021/046430A1 |
An electric power system is disclosed herein. The electric power system may manage and store electric power and provide uninterrupted electric power, derived from a plurality of electric power sources, to an electric load. The electric p...
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WO/2021/043759A1 |
The invention is related to an energy system for supply of power to a Mobile Offshore Drilling Unit. The energy system comprises: - a first storage and supply device, - a second storage and supply device, - a remote power generation sour...
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WO/2021/044049A1 |
The invention relates to a device (1) for uninterruptible supply of power, said device comprising a rotating electric machine (2) having a generator winding (3) and a plurality of motor windings (4-7) which are electrically insulated fro...
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WO/2020/079594A9 |
A system and method of managing a power infrastructure having a plurality of duty power modules (DPMs) configured to power a plurality of load centers. Various different operational modes may be deployed. Inherent redundancy mode is impl...
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WO/2021/044104A1 |
A circuit (1) for holding an electrical power supply to a load (3) from a power supply network (2) having a supply voltage (VE), comprising a primary stage (5) and a secondary stage (6), the primary stage (5) comprising a voltage convert...
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WO/2021/042167A1 |
A power distribution apparatus, comprising: a plurality of switches each operable to switch a respective power source of a plurality of power sources between a first input node of a first load and a second input node of a second load; a ...
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WO/2021/044956A1 |
The problem of the present disclosure is to make it possible to start up a power converter during a power outage of a power system. This power conversion system (100) comprises a power converter (1) and a cable support device (2). The po...
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WO/2021/044958A1 |
This disclosure addresses the problem of reducing the number of communication lines installed between a cable support and power converter. A power conversion system (100) comprises a power converter (1) and a cable support (2). The power...
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WO/2021/044599A1 |
A master control unit (20) controls a plurality of uninterruptible power supply devices (U). Each of the plurality of uninterruptible power supply devices (U) includes a slave control unit (15), and detection circuits (41 to 43) that det...
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WO/2021/037595A1 |
The invention relates to an adaptor for electrically connecting a lighting apparatus to an electrified track, wherein the electrified track comprises AC main phases L1, L2 and L3 and a neutral wire N, wherein the adaptor has a housing de...
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WO/2021/038693A1 |
Provided is a power storage system that stores power in a storage battery and discharges power that has been stored in the storage battery. The power storage system is characterized by having: an acquisition unit that acquires informatio...
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WO/2021/037557A1 |
An uninterruptible power supply arrangement (1) for a grid section (2) is connected thereto via a first connection point (3) and to a supply grid (4) via a second connection point (3') and comprises a store (6), which is connected to the...
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WO/2021/041652A1 |
The present system relates to a power topology mapping system for identifying which one of one or more equipment components are being powered from a specific phase of a multi-phase AC power source. The system makes use of a plurality of ...
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WO/2020/230604A9 |
According to the present invention, a configuration, in which an output can be forcibly stopped when an output current exceeds a criterion, is achieved while suppressing the complication of a circuit scale. In the voltage regulator (10...
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WO/2021/032317A1 |
The present invention provides an uninterruptible power supply, comprising: an AC input terminal and an AC output terminal; a normally closed safety switch device comprising a normally closed safety switch connected between the AC input ...
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WO/2021/031186A1 |
Embodiments of the present invention provide a power supply control method for a movable platform, a device, the movable platform, and a medium. The method comprises: detecting a running state of the movable platform during the movement ...
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WO/2021/033299A1 |
A power supply apparatus (1) is provided with an energy storage device (10), a converter (20) for converting DC output to AC output, and a control unit (60). The control unit (60) controls the converter (20) such that, when an output cur...
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WO/2021/034066A1 |
Disclosed is a power charging and discharging apparatus. The power charging and discharging apparatus comprises: a power management device which is connected to n battery racks (where n is a natural number of 2 or more) and determines th...
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WO/2021/029837A1 |
The invention relates to an uninterrupted power systems needed for uninterrupted power mainly fire extinguishing systems at vehicles, providing continued operation without being influenced thereby. Micro processor controlled smart contro...
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WO/2021/030087A1 |
Techniques for implementing a fault-tolerant power supply are described. In an example, a system converts an alternating-current (AC) voltage to an initial direct current (DC) voltage. The system further converts the initial DC voltage t...
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WO/2021/028257A1 |
Examples describe a method of operating a distribution point unit (DPU) having a wireless backhaul connection, such as a 4G or 5G connection. The distribution point unit is reverse powered electrically by connected subscriber lines. The ...
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WO/2021/022957A1 |
The present invention is applicable to the technical field of power source circuit designs. Provided are a power source switching circuit and an electronic apparatus. The power source switching circuit comprises a primary power supply un...
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WO/2021/023604A1 |
A local power supply system (1) having a network transfer point (4) for the connection of an energy supply network (5) has a first transmission line (2) for transmitting electrical energy from the network transfer point (4) to a first co...
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WO/2021/017762A1 |
An elevated rail transit system comprises a track system, a driving system, a vehicle system, and a power distribution system. The track system comprises a truss girder (10) provided between two columns (12) and a box-shaped track girder...
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WO/2021/020357A1 |
This backup power supply system is provided with a detection unit, an electric storage unit, and a control unit, wherein: the detection unit detects an abnormality in a power supply for supplying electric power to multiple loads; the ele...
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WO/2021/019090A1 |
A power supply system (10) comprises an AC input (101), an AC output (103), and a DC input (102); a DC intermediate circuit (150); a first converter (210) connected, via a first bistable switching circuit (310), between the AC input (101...
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WO/2021/021131A1 |
A controller includes a microcontroller and a control circuit. The control circuit includes circuitry structured to sense an alternating current (AC) from a current transformer coupled to the controller, convert the AC to direct current ...
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WO/2021/021570A1 |
Various embodiments described herein use a set of capacitor sets (e.g., capacitor banks) in a power backup architecture for a memory sub-system, where each capacitor set can be individually checked for a health condition (e.g., in parall...
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WO/2021/015962A1 |
A static transfer switch is provided for supplying power to a load alternately from two different power sources. Switching between the two power sources may occur within a fraction of one electrical cycle. In response to sensing degraded...
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WO/2021/012804A1 |
Provided in the present application is a battery equalization circuit, which is used to solve the problem in which differences between multiple cells in a battery pack cause some cells to charge or discharge insufficiently. In the batter...
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WO/2021/012679A1 |
The present application is applied to the technical field of uninterruptible power supplies, and provided therein are a multi-mode uninterruptible power supply control method, control apparatus and control terminal and a computer-readabl...
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WO/2021/015746A1 |
An example redundant power supply system comprises a power supply input to receive power from a power supply; a buck-boost converter coupled to the power supply input; and a controller coupled to the buck-boost converter. The controller ...
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WO/2021/014069A1 |
An uninterruptible power supply (UPS) system (1) comprising a plurality of UPSs (2a-2e) coupled in parallel and each comprising a bypass switch (10) and a controller (20) that is in communication with the controller of the other UPSs (2a...
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WO/2021/008725A1 |
The invention relates to a method for operating a system having a supply module, an inverter, an energy store and a power supply unit, wherein the supply module has a DC/DC converter (4), the first connection of which can be supplied by ...
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WO/2021/003942A1 |
A recreational vehicle power supply control method and a recreational vehicle power supply control apparatus. A photovoltaic panel is provided on the recreational vehicle. The method is applied to the recreational vehicle power supply co...
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WO/2021/004284A1 |
Embodiments of the present application provide a power supply circuit, comprising a first power conversion module, a plurality of storage battery packs, a first bus, and a second bus, wherein a first wiring end of the first power convers...
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WO/2021/005924A1 |
A backup power system according to the present disclosure comprises a battery, a charging circuit, an electricity storage unit, a first load, a second load, and a control unit that controls the charging circuit. The control unit increase...
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WO/2021/002020A1 |
An uninterruptible power supply device 100 is provided with: a first detection unit 31a which is provided on an input side of a power conversion unit 5 and detects a first detection value Vba, which is the value of a voltage or a current...
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WO/2021/003006A1 |
A micro grid system comprises an adapter, a power controller, and secondary energy source. The adapter is in communication with an electric grid and configured to connect and disconnect a connection between the electric grid and a micro ...
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WO/2021/001872A1 |
Provided is an uninterruptible power supply device capable of responding to a variety of system abnormalities other than frequency fluctuation and voltage drop including instantaneous voltage drop. An uninterruptible power supply device ...
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WO/2021/000462A1 |
Provided are a control circuit of a backup power supply and a control method for a control circuit. The control circuit comprises: a first backup power supply and a second backup power supply; the first backup power supply is connected t...
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WO/2020/261366A1 |
A control device (5) of an uninterruptible power supply device executes a lap feed mode for turning on first switches (S1-S3) and second switches (S4, S5) and turning off third switches (S7-S9) during an inverter feed mode, turning on th...
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WO/2020/259885A1 |
The invention relates to a method for operating a standby power supply system (3) for providing an emergency power supply on failure of the public power supply, wherein the standby power supply system (3) comprises a current sensor (10) ...
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WO/2020/255189A1 |
A switch (10) is connected between an AC power supply (1) and a load (2). A control device (40) is configured to detect the instantaneous value of a three-phase AC voltage supplied from the AC power supply (1) when the switch (10) is on,...
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WO/2020/253433A1 |
A power source switching circuit, applied to a power source apparatus. The power source apparatus comprises a first power source and a second power source, wherein the first power source is used for supplying power to a system; the secon...
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WO/2020/254140A1 |
An emergency converter device provides an interface for selecting an operation parameter for an emergency operation mode of the emergency converter device. The emergency converter device provides a supply current ILED to a load device, i...
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WO/2020/257470A1 |
A switch assembly, a system, and a method are provided. One such switch assembly includes a first connection bus to connect to a power source or a load and a second connection bus to connect to one of a second power source or the load. T...
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WO/2020/248421A1 |
A multiple-input-multiple-output power supply apparatus and an integrated cabinet. The apparatus comprises: a power conversion unit (1), an output power distribution unit (2) and a monitoring unit (3); the power conversion unit (1) is us...
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WO/2020/244758A1 |
The invention relates to a rechargeable electrical energy storage device (100) comprising: - a storage module (106) comprising at least one rechargeable battery, and - at least one main controllable contactor (108) for optionally connect...
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