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Patent Searching and Data


Matches 1 - 50 out of 37,724

Document Document Title
WO/2021/090370A1
This power conversion device is provided with a power conversion circuit constructed so as to convert DC power to three-phase AC power, and a control device constructed so as to generate two-phase reverse phase current from the three-pha...  
WO/2021/084585A1
This DC circuit breaker (1) cuts off DC current flowing in a DC line (2). The DC circuit breaker (1) is provided with: a fault current breaker unit (3), which is a first breaker unit, and a load current breaker unit (4), which is a secon...  
WO/2021/084073A1
An adaptive strategy is developed to optimize a current threshold that is taken as a reference to initiate a mitigation process, applying a self-adjustment throughout the lifetime of an electronic device (407) to protect against SEL phen...  
WO/2021/086105A1
An electronic device for preventing a burnout caused by overcurrent and a method therefor are provided. The electronic device comprises: a power amplifier configured to amplify a transmitted signal; a battery configured to provide a bias...  
WO/2021/053635A3
A smart sheath for the protection of an electric cable comprises an inner insulating tubular layer (3) adapted to contain the conductive elements (4) of the electric cable (1), an outer tubular protective layer (5) placed on the inner tu...  
WO/2021/076323A1
Disclosed herein are systems for maintaining protection of electric power delivery systems in the event of a control power failure or other anomaly. A reliable power module conditions electric power from multiple independent sources and ...  
WO/2021/074812A1
A high-voltage overhead electric transmission line (1) is described, which extends from a first electrical substation (3) to a second electrical substation (5), and comprises at least one "T" junction (7) which forms a joint (9) with thr...  
WO/2021/074333A1
The invention relates to a method for determining the resistive component of the leakage current impedance (Riso) of a downstream branch (2) to an alternating current network having a live phase (L), a neutral conductor (N) and a protect...  
WO/2021/069315A1
Disclosed is a motor protection device (1). The motor protection device (1) includes an interrupter unit (11, Q1, Q2) for electrically connecting a power supply (Vcc) and an electric motor (M) in an operation mode and electrically discon...  
WO/2021/071684A1
Systems and methods testing a power protection relay include a merging unit to receive signals from an electric power delivery system. The merging unit includes a test signal input to receive test signals from a testing device, a relay o...  
WO/2021/071683A1
The present disclosure pertains to systems and methods for monitoring and protecting an electric power system. In one embodiment, a system may comprise line-mounted wireless current transformers to measure at least one parameter of an al...  
WO/2021/071734A1
Primary protection relays and an integrator disclosed for providing primary protection and secondary applications for an electric power delivery system. The primary protection relays obtain signals from, and provide primary protection op...  
WO/2021/010808A4
The present invention relates to the prevention of electric disasters by measuring and analyzing power loss in a railroad track and characteristics such as resistance in the railroad track, and detecting signs of abnormalities in a power...  
WO/2021/058197A1
The invention relates to an electronic circuit breaker (1), comprising two identical semiconductor switches (2), each having a switch element (21) and a diode (22) arranged antiparallel in relation to the switch element (21). In order to...  
WO/2021/056774A1
Provided is a composite busbar of a vehicle-mounted controller, relating to the technical field of circuit breaker equipment, and comprising a busbar board (9), an A relay (12), a D fuse (14), a main fuse (18), and the like; the positive...  
WO/2021/057037A1
A photovoltaic power generation system and method, relating to the technical field of photovoltaic power generation. The system comprises: an inverter (103), a controller and at least two direct-current branches, each direct-current bran...  
WO/2021/058413A1
A method for protecting at least part of a network segment of an electrical energy distribution network comprises the following steps: voltage dips in the intermediate feeding devices of the power line assemblies are detected by means of...  
WO/2021/051280A1
A driving control circuit (100). The driving control circuit (100) is connected in series between a driver circuit (200) and a first voltage end to form a loop together. The driving control circuit (100) comprises a current regulation ci...  
WO/2021/055227A1
A control system and method for sectionalizing switches and a source interrupter/recloser in a feeder, or portion of the distribution grid, which enables fault location, isolation and service restoration without requiring a communication...  
WO/2021/053437A1
Embodiments of the present disclosure relate to a control cubicle (101) in a substation. The power equipment protection system (100) comprises a controller (201) configured to operate the circuit breaker (102) and monitor insulating flui...  
WO/2021/053162A1
Disclosed is a method for managing overcurrent protection in a self-controlled synchronous machine with permanent magnets of a motor vehicle. The method makes it possible to adjust the activation threshold for the overcurrent protection ...  
WO/2021/054338A1
Provided is a current interruption device equipped with: a current limiting element that is provided in a power supply path from a predetermined power source to a load device and exerts a current limiting action if a current flowing thro...  
WO/2021/052300A1
A high-voltage hybrid line fault section discrimination method using a ratio restraint differential principle. The method comprises: when a fault occurs in a hybrid line, tripping circuit breakers at two sides of the line by a protection...  
WO/2021/055226A1
A control system and method for sectionalizing switches and pulse-testing interrupter/reclosers in a distribution grid feeder which enables fault location, isolation and service restoration without requiring an external communications in...  
WO/2021/053635A2
A smart sheath for the protection of an electric cable comprises an inner insulating tubular layer (3) adapted to contain the conductive elements (4) of the electric cable (1), an outer tubular protective layer (5) placed on the inner tu...  
WO/2021/049135A1
This overcurrent protection circuit, for example, restricts a current to be monitored to a restricted current value IOCP or below, wherein the circuit operates so as to impart a flat temperature characteristic to the restricted current v...  
WO/2020/176157A9
A short circuit protection circuit may comprise a first configuration channel line extending from a first connector, a first resistor connected to the first configuration channel line; a voltage divider connected to a junction point on t...  
WO/2021/009217A3
A system includes an electric mobile application having a configurable charging circuit, the configurable charging circuit including an AC charging circuit couplable to a charging station on a first side, a DC charging circuit selectivel...  
WO/2021/009025A9
The invention relates to a method for detecting a short-circuited line in an electrical direct-voltage conductor network, comprising the following steps: • per conductor branch at a conductor node: ◦ determining a first current value...  
WO/2021/045669A1
An electronic circuit breaker (100) with self-triggering protection for a vehicle, comprising: an input (101) configured to be connected to an electric DC power supply; an output (102) configured to be connected to a load; the input is c...  
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/2021/043497A1
The invention relates to a circuit breaker device or circuit breaker system, designed with a series connection of a semiconductor switch and an isolating contact system, for a low voltage electrical circuit, in which the magnitude of the...  
WO/2021/046097A1
A solid-state circuit breaker (SSCB) with self-diagnostic, self-maintenance, and self-protection capabilities includes: a power semiconductor device; an air gap disconnect unit connected in series with the power semiconductor device; a s...  
WO/2021/046222A1
A method for controlling a process that draws power from an electrical power source operates by obtaining time-related electrical demand data from the electrical power source and adaptively adjusting at least one control parameter in a c...  
WO/2021/045668A1
A battery junction box (100), comprising: a first input (101) connected to a first output (102) via a switch circuit (103), which switch circuit is configured to connect the first input to the first output upon receiving a control signal...  
WO/2021/045486A1
The present disclosure relates to an electronic device having an over-current protection function. An electronic device according to one embodiment comprises at least one power converting device and the at least one power converting devi...  
WO/2021/045670A1
An electronic circuit breaker (100) for a vehicle, comprising: an input (101) configured to be connected to a DC power supply; an output (102) configured to be connected to a load; said input connected to said output via a semiconductor ...  
WO/2021/046543A1
A transient noise reduction filter comprises a cable including one or more twisted pairs of conductors and one or more common mode chokes (CMCs). The one or more CMCs a formed from respective pluralities of turns of the cable. Each of th...  
WO/2021/037357A1
A method for restoration of a fault isolation in a medium voltage, MV, network having a plurality of feeders and a plurality of normally open, NO, switches (NO1, NO2, NO3, NO4)possibly in parallel with MV direct current, DC, links (MVDC1...  
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/2021/039166A1
A control device (10) includes: a power supply path (610) that connects a storage battery (30) and a heater (25); a high-side switch (200) that is provided at a position in the power supply path and that performs an opening/closing opera...  
WO/2021/041914A1
A battery module includes a set of power contacts, a set of signal contacts and a battery pack operable to deliver electrical power to the set of power contacts. An electronic isolation system is operable to electrically disconnect and c...  
WO/2021/039130A1
This energization control device (D) comprises: inter-system SWs (31a, 31b) and a SW control circuit (40) which is an inter-system switch control unit. The inter-system SW switches between energization and interruption of current in an i...  
WO/2021/038914A1
This solar power generation network shut-off unit (1) comprises a first breaker (20) and second breakers (30). The first breaker (20) is provided in a power line (14) that connects a plurality of solar power generation modules (11) and a...  
WO/2021/038915A1
A photovoltaic power generation network cut-off unit (1) is provided with a first breaker (20) and second breakers (30). The first breaker (20) is provided in a power line (14) that connects a power conditioner (12) and a plurality of ph...  
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/2021/033630A1
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/2021/027285A1
The present application provides a protection method, apparatus and system for a pseudo-bipolar direct-current power distribution network, and a device and a medium. The method comprises: detecting a transverse differential current value...  
WO/2021/028039A1
A direct current power supply assembly comprising a bus bar system (2) and a fault detection system (6) adapted to detect ground faults in the direct current power supply assembly. The bus bar system (2) has a positive bus bar (BB+) and ...  
WO/2021/028552A1
A method for using an electronic fuse (e-fuse) as a damping element and a system including at least one e-fuse are disclosed.  

Matches 1 - 50 out of 37,724