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Patent Searching and Data


Matches 1 - 50 out of 21,975

Document Document Title
WO/2021/084691A1
This inrush current suppression circuit for an air conditioner with a DC power supply comprises a first unit that is equipped with: a first diode connected at one end to the positive electrode (P) of a DC power supply; a resistor connect...  
WO/2021/083687A1
In electric drives for vehicles, the primary steady operating states, such as drive, recuperation etc. for example, are paramount. However, in addition to these primary operating states, the changeover of operating states and secondary o...  
WO/2021/084573A1
An embodiment of the present invention is a voltage supply device characterized by having: a controller that outputs, from a power supply circuit to an external device, a signal indicating one bus voltage that is negotiated and determine...  
WO/2021/086240A1
A method for providing frequency balancing in a power network grid is presented The method is performed in an RBS of a radio communication network. The RBS comprises one or more power supply units, PSUs, connected to the power network gr...  
WO/2021/085441A1
This control device (31) comprises: an acquisition unit which acquires power consumption values (Pddc, Pcp) of electric devices (23, 25) other than an inverter (21); a limit value calculation unit which when a rotary electric machine (20...  
WO/2021/083887A1
The invention relates to a distribution system (100) for electrical power comprising a feed device (110) for receiving an input alternating current from an external low-voltage network (N) and for outputting a transfer current into the d...  
WO/2021/078441A1
The invention relates to an electronic voltage supply system (1) for providing electrical energy to a battery module (30), - having a first battery string (2a) which provides a medium electrical voltage (UMS) at a first battery output (1...  
WO/2021/077439A1
The present invention falls within the technical filed of photovoltaic high-voltage converters, and specifically relates to a series-type photovoltaic high-voltage direct-current grid-connected converter topological circuit and a modulat...  
WO/2021/078849A1
The invention relates to an electrical vehicle (3) charging system comprising a plurality of power stages (1 ) each configured for providing electrical energy to charge an electrical vehicle (3), a plurality of outlets (4) each comprisin...  
WO/2021/077438A1
A large-scale photovoltaic direct-current series boosting grid-connected system having power balancers, and a power balancing method. The grid-connected system comprises N photovoltaic direct-current converters (103) and N-1 power balanc...  
WO/2021/073980A1
A device for driving a safety-relevant electronic system, in particular of a vehicle, comprises a power supply unit (10) having at least one voltage regulator (11, 12), wherein the power supply unit (10), during operation, is supplied wi...  
WO/2021/075408A1
Provided is a power supply system (100) having a first load (34) and a second load (36). The power supply system (100) comprises: an inter-load switch (20) that is provided in a connection path (LT) connecting the first load with the sec...  
WO/2021/073723A1
An apparatus (100) includes a first battery (102) of a first type, a second battery (104) of a second type different from the first type and a controller (106) configured to determine an energy condition associated with the apparatus and...  
WO/2021/072561A1
The invention relates to a system for the generation, storage and distribution of electrical energy, which is activated by kinetic energy, generating charge as a result of movement and which comprises: one or more ion-type batteries; an ...  
WO/2021/070403A1
Provided is a DC power supply device that can suppress voltage oscillation in a power supply path to a motor control device. The DC power supply device comprises: a power supply unit (AC/DC converter, and the like) that outputs a direct ...  
WO/2021/071427A1
A control circuitry of a switched-mode power module, the switched-mode power module comprising a power stage configured to receive input power from a power supply and to output power to a load, the output power having an output voltage, ...  
WO/2021/069049A1
A radio frequency power recovery unit, comprises a plurality of rectennas, each comprising an antenna and a capacitor configured to be charged by energy received by the antenna; a plurality of switches, each configured to selectively con...  
WO/2021/068640A1
A DC boost conversion circuit and apparatus. The circuit comprises: a fully controlled circuit (10), a transformer (20), and an uncontrolled circuit (30). The fully controlled circuit (10) is composed of multiple fully controlled H-bridg...  
WO/2021/071705A1
A power distribution system for delivering DC electrical power is provided. The power distribution system comprises a power distribution device and a power interface. The power distribution device comprises a power storage device. The po...  
WO/2021/069181A1
The application relates to a method for operating an energy generating system (EEA; 1) comprising a plurality of DC sub-generators (5.1 – 5.n) which are connected in parallel with one another and in each case to a shared DC load (20) v...  
WO/2021/071770A1
A modular power distribution system, comprising a client device configured to be inserted into a host device, and having a series of independently configurable electrical connections and predetermined electrical connections connecting th...  
WO/2021/060546A1
A first control unit (57) is activated by being supplied power from a first power supply pathway (51), and put in an activated state. A second control unit (67) is supplied power from a second power supply pathway (61) separate from the ...  
WO/2021/056517A1
A current sharing apparatus and method for a power system, and power modules (1, 2…N). The power system comprises the plurality of power modules (1, 2…N). Each power module (1, 2…N) is electrically connected to a current sharing de...  
WO/2021/054007A1
In the present invention, attachment of a power relay is detected in cases where the power relay cannot be turned off and power supplied to a microcomputer has been successfully shut off. An electronic control device 100, which is one as...  
WO/2021/054074A1
With conventional technology there is a risk of an overvoltage occurring between a DC/DC converter and an inverter as a result of a system malfunction or the like. Provided is a control device provided with a direct-current bus which is ...  
WO/2021/053102A1
Electric supply circuit (20) for supplying an electrolytic cell (21) with nominal direct current between 20 kA and 100 kA, comprising an upstream collection bar (25), a downstream collection bar (26), the two upstream (25) and downstream...  
WO/2021/053769A1
This power quality adjustment device is provided with a plurality of power provision units for converting the quality of power received from a power source and for providing one or more consumers with power having undergone quality conve...  
WO/2021/054387A1
According to the present invention, power packets are output in such a way as to reduce errors with respect to the required power. The disclosed power packet transmitting device is provided with a controller which executes transmission c...  
WO/2021/047986A1
There is provided an electrical assembly comprising a converter (20) for connection to an electrical network (40), the converter (20) comprising at least one module (44) including at least one switching element (46) and at least one ener...  
WO/2021/049787A1
An electronic apparatus includes: a plurality of input ports to which a plurality of first external devices are connected; a converter; an output port to which a second external device is connected; and a processor that controls the conv...  
WO/2021/046597A1
The invention relates to an apparatus for regulating electrical power in an electricity transmission network, the apparatus including: a DC contactor; a transmission network connector including live terminal(s) connected to live connecti...  
WO/2021/051035A1
A method for forecasting wind power output of a target wind farm. The method includes normalizing, wind power output data for each wind farm of a group of wind farms, based, at least in part, on a respective installed capacity; transform...  
WO/2021/044955A1
The purpose of the present disclosure is to facilitate the construction of a system. This power conversion system (100) comprises a first power conversion device (11), a second power conversion device (12), and a cable support (2). The f...  
WO/2021/044686A1
A DC distribution system (1) is provided with: a transformer (11); a rectifying device (12); a DC busbar (13) through which DC power flows; a plurality of DC branch wires (14) which branch off from the DC busbar; an AC interrupting unit ...  
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...  
WO/2021/044081A1
According to an example aspect of the present invention, there is provided an audio amplifier for use with a limited power source, the audio amplifier having: a power input terminal, a signal input terminal, a first DC to DC converter ha...  
WO/2021/046123A2
A system and method is provided to provide power to a load or electronic equipment which includes a multi-pole switch that connects the input of the load or electronic equipment to a first AC source or a DC source or an optional second A...  
WO/2021/038070A1
Systems, methods, techniques and apparatuses of power network state estimation are disclosed. One exemplary embodiment is a method for state estimation in a power network comprising receiving a set of supervisory control and data acquisi...  
WO/2021/037543A1
The present invention relates to methods (100) and to a device (200) for operating voltage transformers (210, 220) connected in parallel, wherein the voltage transformers (210, 220) are operated in different operating modes (120, 130) as...  
WO/2021/037506A1
The invention relates to a method for determining an electrical system state (30) of at least one motor vehicle (50), wherein vehicle-side electrical state data (20) of the at least one motor vehicle (50) are detected by means of a power...  
WO/2021/039177A1
An energization control device is provided with an inter-system switch (inter-system SW) and a SW control circuit that is an inter-system switch control unit. The inter-system SW switches between conduction and cutoff of an electric curr...  
WO/2021/039678A1
The present invention provides a direct current power supply device that can obtain solar-cell-derived DC power efficiently when combining the solar-cell-derived DC power, commercial power-supply-derived DC power, and a power storage dev...  
WO/2021/037648A1
The invention relates to a control device (100) for a DC-DC converter (110) having multiple parallel-connected DC-DC converter modules (120_l,...,120_n). The control device measures individual target current values for the DC-DC converte...  
WO/2021/041684A1
A battery pack includes a housing having a positive terminal and a negative terminal. Battery cells are located within the housing and are selectively coupled to the positive terminal and coupled to the negative terminal. A battery manag...  
WO/2021/032412A1
The invention relates to a battery system (10) for a motor vehicle, comprising a battery module (5) which has an internal voltage source (Vi), a positive pole (22) and a negative pole (21), and a switching unit (60) for electrically conn...  
WO/2021/032411A1
The invention relates to a battery system (10) for a motor vehicle, comprising: a first battery module (5) which has a first voltage source (V1), a first inductor (L1), a positive pole (22) and a negative pole (21); a second battery modu...  
WO/2021/032050A1
The present application provides a direct-current energy dynamic regulation system and a control method therefor. The direct-current energy dynamic regulation system comprises N voltage-equalizing energy dissipation modules connected in ...  
WO/2021/033630A1
According to the present invention, in a semiconductor switch (20), a resistance value between a current input terminal (20d) into which a current is input and a current output terminal (20s) from which the current is output decreases as...  
WO/2021/033527A1
According to the present output device (11), a current is output through a semiconductor switch (20). In regards to the semiconductor switch (20), the resistance value between a current input terminal (20d) into which current is input an...  
WO/2021/032450A2
The invention relates to a chuck having a chuck body (2) and a plurality of clamping jaws (4) which are adjustably mounted on the chuck body (2), having a means for generating electrical energy in order to supply at least one sensor and/...  

Matches 1 - 50 out of 21,975