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WO/2024/046845A2 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of an instantaneous differential current of conductors of the low-voltage circuit is ascertained...
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WO/2024/046795A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2024/046836A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit, wherein: • - grid-side and load-side connections (LG, NG, LL, NL) are provided for conductors of the low-voltage circuit, • - a mechanica...
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WO/2024/048217A1 |
A vehicle-mounted power supply device (10) comprises a common path (12), a plurality of branch lines (first branch lines (20)), and interrupting units (first interrupting units (25)) provided in each branch line (first branch line (20))....
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WO/2024/048020A1 |
The present invention provides a power supply system capable of rapid arc extinguishing when a series arc discharge or a parallel arc discharge has occurred at a part more on a power storage module side than a power conversion device. ...
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WO/2024/049762A1 |
Systems, devices, and methods including a first drive winding (111) wound on a first core (101), where the first drive winding (111) may be driven with a first input signal (138); a second drive winding (112) wound on a second core (102)...
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WO/2024/048019A1 |
The present invention provides an electric power supply system (1, 201, 301) with which it is possible to rapidly extinguish an arc when arc discharge occurs. The present invention has an electric power supply module (2), a boosting ci...
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WO/2024/045422A1 |
The present disclosure relates to the fields of electric power control and electric vehicles. Disclosed is a multi-excitation-source protection apparatus, comprising a first conductor, a first fuse and a second conductor, which are seque...
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WO/2024/046809A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2024/046850A1 |
The invention relates to a circuit breaker (SG) for protecting a low-voltage circuit for alternating voltage, wherein the current level of a differential current of conductors of the low-voltage circuit is ascertained and wherein: - if f...
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WO/2024/046723A1 |
The invention relates to a circuit breaker (SG) for protecting an electric low-voltage circuit for an alternating voltage, wherein the level of a differential current of conductors of the low-voltage circuit is ascertained, and if differ...
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WO/2023/273099A9 |
The present invention provides a power semiconductor device. The power semiconductor device comprises: at least one transistor element, wherein the transistor element comprises a high-voltage power end, a low-voltage power end, and a con...
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WO/2024/038640A1 |
Provided is a semiconductor DC breaker which has redundancy so as to be able to cut off a current even if a semiconductor switching element for cutting off a current when an abnormal current is detected has failed. This semiconductor DC ...
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WO/2024/039198A1 |
This battery fire extinguishing device for preventing heat from spreading throughout a battery pack when a fire occurs in some battery modules, comprises: a plurality of fire extinguishing liquid storage parts located inside a plurality ...
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WO/2024/038995A1 |
An IOT-based control device for a distribution board is disclosed. An electrical safety device of the present invention comprises: an input connection unit directly fastened to a parallel busbar so as to be coupled in parallel to an eart...
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WO/2024/032118A1 |
The present application discloses an overvoltage protection circuit and method, and a power supply system. The overvoltage protection circuit comprises: a voltage monitoring circuit configured to output a thyristor gating signal to a thy...
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WO/2024/035587A2 |
A power supply system for use in a subsea environment includes an external power source operable to deliver a power input. A main circuit breaker is movable between a closed position and an open position. A subsea power switching unit (S...
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WO/2024/034325A1 |
Provided is a shutoff system (1) for shutting off an electric current path, the shutoff system (1) comprising: a shunt resistor (10) provided to the electric current path; and a pyro switch (20) having an internal resistor (21a), the pyr...
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WO/2024/032887A1 |
The invention relates to a hybrid voltage limiter. According to the invention, the hybrid voltage limiter (1) comprising a first electrode (14), a second electrode (15), trigger electronics (10), a thyristor component and a varistor comp...
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WO/2024/032932A1 |
A multiport protection apparatus (10) comprises a first DC link grid line (11), a plurality of protection switch units, each protection switch unit having a control input (60 to 63), a plurality of ports (20 to 29) and a controller (13) ...
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WO/2024/028351A1 |
The present disclosure relates to a method for controlling a protection system for an electrical power system comprising a transmission line terminated by a first terminal coupled to a first power source and by a second terminal coupled ...
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WO/2024/029685A1 |
An exercise apparatus comprising: a main body; a base disposed in front of the main body; a frame extending upward from the main body and including a plurality of pillars; wires extending outwardly from the main body; and handle modules ...
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WO/2024/030231A1 |
A system includes a first connection configured to allow current flow between a first node and a second node through a first transistor when it is enabled, and a first diode configured to allow current flow between the first node and the...
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WO/2024/024138A1 |
A short-circuit protection circuit according to the present invention is provided with: a voltage dividing circuit that divides a power supply voltage supplied from a power supply connected at one end; a semiconductor rectifying element,...
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WO/2024/024214A1 |
Provided is a distributed electric power source electric power distribution system that cooperates with an anti-islanding device and is able to suppress over-voltages that occur when a ground fault has occurred multiple times during a re...
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WO/2024/025873A1 |
A power management system includes a first power source, a second power source, a first electrical load, a second electrical load, a load management module configured to selectively connect power to the fist electrical load and the secon...
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WO/2024/025547A1 |
A substation (100) connected to a high or extra-high voltage transmission line (102) is disclosed. The substation includes a power line (104) and a circuit device (108) electrically connected by way of the power line to the transmission ...
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WO/2024/022417A1 |
The present invention relates to an overcurrent protection circuit and an overcurrent protection method. The overcurrent protection circuit and method involve: sampling a current that flows through a compressor controller, and converting...
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WO/2024/022840A1 |
The invention relates to, inter alia, a DC switchgear (100), in particular for earth fault detection during a switch-on process for switching on a connected DC load (200), and a switch system (300) comprising said DC switchgear (100). Th...
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WO/2024/023203A1 |
The invention relates to an electric circuit (10, 10', 10'') having the following features: a converter circuit (12, 12', 13') which is located between a first potential tap (16a) and a second potential tap (16b) and comprises a pluralit...
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WO/2024/018710A1 |
The present invention maintains the normal operation of a vehicle even if noise is superimposed on a power supply voltage and suppresses the increase in the size of a device. A power supply control circuit 1a includes: input terminals T2...
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WO/2024/017776A1 |
The invention relates to a vehicle (2) comprising an onboard electrical system (1) which has: - a traction battery (5), - a charging connection (6) for coupling to a DC charging station (4), - a positive potential line (HV+L), - a negati...
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WO/2024/016759A1 |
Disclosed in the present invention are an active short-circuit control circuit, device, method and system, and a vehicle. The circuit is powered by a whole vehicle low-voltage power supply and a whole vehicle bus, and specifically compri...
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WO/2024/017806A1 |
The invention relates to a vehicle (4) with a high-voltage onboard electrical system (3) comprising a traction battery (5), a charging connection (6) for coupling to a DC charging station (2), high-voltage potential lines (HV+L, HV-L), a...
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WO/2024/016417A1 |
A circuit breaker capable of monitoring a power line. The circuit breaker comprises a power line monitoring circuit which comprises a current leakage detection circuit and a state determination circuit, for monitoring the on/off state of...
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WO/2024/017499A1 |
A residual current breaker (1a..1i) is proposed, which in addition to its capability to cut off power in case of AC ground faults comprises a DC current source (11) and a control unit (13). The DC current source (11) is designed to outpu...
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WO/2024/011927A1 |
The present invention provides a laser radar, a safety protection circuit of a driving circuit of the laser radar, and a driving detection method. The laser radar comprises a light emitting device; the driving circuit can provide a drivi...
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WO/2024/013105A1 |
The present invention relates to a DC voltage switching device (100) for coupling, more particularly for switching on a DC voltage load (200), which comprises a first and a second input terminal (IN+, IN-) which are designed to apply an ...
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WO/2024/012744A1 |
The invention relates to activating an active discharge of a DC link capacitor. To this end, provision is made of a discharge device which can detect a condition for activating the discharge of a DC link capacitor independently of other ...
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WO/2024/008598A1 |
The invention relates to an electrical distribution system (1) configured to supply at least a first electric motor (M1) and a second electric motor (M2) from at least one electrical source (B1), the electrical distribution system (1) co...
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WO/2024/008477A1 |
A vehicle onboard electrical system (BN) is equipped with a distributor unit (V) which has an accumulator connection (AA) and a plurality of load connections (A1 – A4). Each load connection (A1 – A4) is connected to the accumulator c...
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WO/2024/007679A1 |
The present application relates to the technical field of electronics, and relates to a key control circuit, method and apparatus, a device, a storage medium, and a remote controller. The key control circuit comprises a key module, a pow...
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WO/2024/009103A1 |
Electric vehicle supply equipment (100) comprising a detection system (102), wherein the detection system (102) is configured to: create a star point (104) from phases from a multi-phase power source (1 ); measure (124, 126, 306, 316) a ...
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WO/2024/008695A1 |
A controllable power switching device (10) has a power switch (11) for switching a power supply line (2i), a control input (12) for receiving a control command (Sb) and for generating a control switching signal (Rss) according to the con...
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WO/2024/003335A1 |
According to one aspect, a device (20) for monitoring a power supply (10) for safety extra low voltage, comprises: a first monitoring element (110), which is designed to monitor a first current (I1) and a first voltage (U1), which are ou...
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WO/2024/006181A2 |
A short detection circuit (100) includes a first transistor (102), a switched load circuit (110), a second transistor (104), a switched capacitor circuit (120), and a comparator (130). The first transistor (102) is configured to conduct ...
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WO/2023/247398A1 |
A mechanism for providing overcurrent and/or overvoltage protection to a load of an electronic device (200, 300), as well as providing overtemperature protection to the electronic device. A thermal fuse (150) of the electronic device is ...
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WO/2023/247086A1 |
The invention relates to an electrical circuit (100) for electrical safety. The electrical circuit (100) comprises an input (102) configured to be connected to a power supply (200); an output (104) configured to be connected to a load (3...
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WO/2023/249224A1 |
An electrical device according to an embodiment of the present disclosure controls operation of a power factor correction circuit by configuring an overvoltage protection level, a low voltage protection level, and an input current limit ...
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WO/2023/242988A1 |
An interruption control device (30) controls an interruption unit (34). An in-vehicle system (10) includes: an electric power storage unit (91); an electric power path (31) which is a path on which electric power is transmitted between t...
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