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Patent Searching and Data


Matches 201 - 250 out of 30,364

Document Document Title
WO/2023/111821A1
There are provided systems and methods for controlling multiple-microgrid systems, which include a control system having two or more primary controllers, each configured to be in communication with a corresponding microgrid (MG) and a co...  
WO/2023/105369A1
An article of personal protective equipment (PPE) includes a plurality of communication circuits corresponding to a plurality of communication channels, and a controller communicably coupled to the communication circuits. The controller ...  
WO/2023/103841A1
The present application discloses a soft start circuit (300) and an electronic device. The soft start circuit (300) comprises a first power supply input end (400), a second power supply input end (500), a first capacitor (Cout), a soft s...  
WO/2023/101162A1
A string optimizer of the present invention is connected between a photovoltaic string and an inverter, which constitute a photovoltaic power generation system, so as to boost or bypass and output a voltage applied from the photovoltaic ...  
WO/2023/100088A1
The present invention relates to a method for insulation monitoring and insulation fault location for unearthed power supply systems without a test current generator, said method comprising: A) providing a permanent measurement voltage b...  
WO/2023/099030A2
An apparatus includes: a plurality of separable load break devices, each separable load break device including: a resettable current interruption device associated with operating states, the operating states including at least a first op...  
WO/2023/093426A1
A solid-state power controller, comprising a hard wire configuration unit (1), a bus unit (2), a configuration circuit (3), and an algorithm control circuit (4). The hard wire configuration unit (1) and the bus unit (2) are respectively ...  
WO/2023/095949A1
The present invention proposes a distribution board and a distribution board system having a self-diagnosis function, which can perform a self-diagnosis function, remotely control a switch, monitor the total amount of power, include a se...  
WO/2023/097103A1
A direct current (DC) hybrid circuit breaker (HCB) includes a current sensor and a variable inductor. In the event of a short circuit fault current reaches a preset threshold, the current sensor will send a tripping signal to a controlle...  
WO/2023/095535A1
Provided is an interrupting device capable of satisfactorily interrupting the energization of a power path. An interrupting device (30) interrupts the energization of a power path (Pp) having a first conductive path (31) and a second c...  
WO/2023/095567A1
A power supply monitoring device (20) is applied to a power supply system (100) comprising a first system (ES1) having a first load (34) and a second system (ES2) having a second load (36), wherein the first system and the second system ...  
WO/2023/094076A1
A charging station (1) for charging an energy store (2) of an electric vehicle (3) is proposed, comprising: a fault current sensor (9) assigned to the phases (L1, L2, L3) and to the neutral conductor (N) and configured for detecting a te...  
WO/2023/087943A1
Disclosed in the present application are a method and apparatus for discriminating the consistency of receiving and sending delays of a differential channel, and an electronic device and a differential protection communication system, wh...  
WO/2023/087428A1
A new secondary wire break protection apparatus for a current transformer, the apparatus comprising: a working power source, a first intermediate relay, a second intermediate relay, an alarm indicator lamp 1HL1, and a single-phase connec...  
WO/2023/085130A1
A power supply monitoring device 20 comprises: a connection path LB that connects a first path LA1 and a second path LA2 to each other; an inter-path switch SW provided on the connection path LB; a current limiting element 23 which is pr...  
WO/2023/085722A1
The present invention relates to a development of a discontinuous jump current breaker for cutting off, in an alternating current power system having an insulating material that exhibits a nonlinear electrical property between two electr...  
WO/2023/083496A2
A circuit interrupter includes separable contacts; an operating mechanism; an electronic trip unit; and a current sensor assembly including: a harvester circuit having a primary conductor through which input current passes, a secondary w...  
WO/2023/083761A1
The invention relates to a device comprising: - an electrical energy storage element defined by an associated DC operating voltage; - a charger configured to charge the storage element when the storage element is discharged and the devic...  
WO/2023/080686A1
A power regulator according to an embodiment of the present invention may comprise: a fuse module which includes first to third fuses; a thyristor module which includes first to third thyristors and controls power supplied to a load; a s...  
WO/2023/080493A1
The present invention relates to the development of a full electronic overcurrent breaker of which, by using a Kim-line current sensor which is not saturated at a high current (Korean patent No. 10-1981640), an overcurrent tripping time ...  
WO/2023/080940A1
A system and method for suppressing EMP-induced voltage surges due to detonation of a nuclear weapon at high altitude generating an EMP (HEMP) comprising E1, E2, and E3 component pulses. A plurality of shunting assemblies, each including...  
WO/2023/077929A1
The present invention relates to a modular power supply output protection circuit, in the technical field of secondary power supplies, comprising: a cut-off type overcurrent protection module (1), a cut-off type overvoltage protection mo...  
WO/2023/079100A1
The present disclosure relates to a method for distance protection of a transmission line carrying a plurality of phases for a phase-to-phase-to-ground fault comprising a first phase and a second phase of the plurality of phases as fault...  
WO/2023/081643A1
A method for a fault ride through testing of an electrical system including one or more power sources, one or more power consumers, and a first protective-isolation device and a second protective-isolation device both disposed between th...  
WO/2023/075942A1
A switching device for controlling power flow on a power line. The device includes a current sensor for measuring primary current on the line, a first voltage sensor for measuring primary voltage on the line at one side of the switching ...  
WO/2023/070783A1
The present application belongs to the technical field of power supply. Disclosed are a power source circuit, a working method for a power source circuit, and an illumination apparatus. The power source circuit comprises a first power so...  
WO/2023/074337A1
This ground fault detection device (10) is used in a vehicle-mounted system (100). The vehicle-mounted system (100) comprises a power source unit (90), a power storage unit (91), a conduction path (80), and a cutoff unit (74). The conduc...  
WO/2023/071495A1
Provided is a power-on/off enabling and undervoltage locking circuit for a satellite-borne power supply, comprising an input undervoltage protection circuit (1), a power-on/off signal isolation detection circuit (2), and an instruction d...  
WO/2023/066519A1
For a solid-state DC device (1 ) comprising: a first conductor path (2) and a second conductor path (5), a first power semiconductor (12) in the first conductor part (2), a first snubber (8), a first relay (9) arranged in series to the f...  
WO/2023/068305A1
A control device (10) comprises: a plurality of control units (150, 250); inter-system communication circuits (152, 252); internal power supply circuits (155, 255); and protection circuits (160, 260, 62-64). The control units (150, 250) ...  
WO/2023/069307A1
A circuit breaker trip device includes a circuit interface configured to interface with a receptacle for providing electrical power; a trip mechanism, operatively connected to the circuit interface, configured to overload a circuit break...  
WO/2023/064351A1
A circuit interrupter has first and second contacts that are actuatable relative to each other between a closed position wherein a power source and a load are in electrical communication and an open position wherein the power source and ...  
WO/2023/062974A1
Provided is an overvoltage protection circuit that is capable of detecting a single internal failure and capable of stably supplying a power supply voltage to a downstream circuit during an internal diagnosis. A calculation unit (10) of ...  
WO/2023/064602A1
A system includes control circuitry configured to manage faults of an electrical system. The system is configured to monitor consumption for a plurality of electrical circuits, such as branch circuits, and generate device information abo...  
WO/2023/060705A1
Disclosed in the present invention is a bus/line grounding line selection alternate removal method based on SCADA data. The method comprises: S1, SCADA collecting various pieces of data in real time; S2, the SCADA periodically calculatin...  
WO/2023/063833A1
An underground enclosure for a wire termination includes a first enclosure defining an arc-initiation-protected-zone and a second enclosure defining an IP-4X rated zone. The first enclosure is stored within the second enclosure below gro...  
WO/2023/059395A1
A system and method for determining the optimal time to perform a pulse test to determine the presence of a fault after a switch opens to clear the fault to prevent generator instability. The method includes detecting the fault, opening ...  
WO/2023/056851A1
Embodiments of the present disclosure provide a voltage monitoring method and apparatus, an electronic device and a storage medium. The voltage monitoring method comprises: acquiring a voltage value of the load on a hashboard; determinin...  
WO/2023/056944A1
The present disclosure relates to a solid-state circuit breaker and a control method therefor. The solid-state circuit breaker comprises a solid-state switch, a first measurement unit, a second measurement unit, a control unit and a driv...  
WO/2023/059393A1
A method for determining an optimized TCC operating curve for an electronic interrupting device that protects a distribution transformer in a power distribution network, where the TCC operating curve is some optimized predetermined perce...  
WO/2023/058427A1
This power feed control device controls power feeding through an electrical wire. A fuse and a semiconductor switch are disposed in a current path of electrical wire current flowing through the electrical wire. The fuse and the semicondu...  
WO/2023/052022A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, wherein: - grid-side and load-side connections are provided for conductors of the low-voltage circuit, - a mechanical separating contact unit is p...  
WO/2023/052114A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - the function of ascertaining the level of the current of the low-voltage circuit, - a mechanical separating contact unit which can be op...  
WO/2023/052110A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a mechanical separating contact unit which is connected to an electronic interruption unit in series, wherein the mechanical separating ...  
WO/2023/052042A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side and load-side connections; - a series circuit consisting of a mechanical separating contact unit and an electro...  
WO/2023/052081A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side connections and load-side connections for the low-voltage circuit; - a mechanical separating contact unit which...  
WO/2023/052540A1
A computer-implemented method for calculation of an estimated location of a ground fault short circuit in a railway network power supply arrangement, wherein an electricity substation (40) supplies a number of respective conductors (14) ...  
WO/2023/051959A1
For a solid-state DC device (1) comprising a first conductor path (2) with a first power supply connection (3), a second conductor path (5), a first semiconductor circuit arrangement (11) with a first power semiconductor (12) in the firs...  
WO/2023/052146A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - the function of ascertaining the level of a differential current of the low-voltage circuit, - a mechanical separating contact unit so t...  
WO/2023/052147A1
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, having: - a housing with grid-side connections and load-side connections for the low-voltage circuit; - a mechanical separating contact unit which...  

Matches 201 - 250 out of 30,364