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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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) ...
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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...
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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...
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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...
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WO/2023/052417A1 |
The invention relates to an ophthalmic laser system (14) comprising at least one electrical load element (20) and a device (10) for controlling an electrical energy supply for the electrical load element (20). The device (10) for control...
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WO/2023/053814A1 |
A cutoff device according to the present invention comprises: an electrical circuit path; a first coil in which a first induced current is produced according to current flowing through the electrical circuit path; a circuit breaker that ...
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WO/2023/052107A1 |
The invention relates to a circuit breaker for protecting an electric low-voltage circuit, comprising: - a housing with a grid-side neutral conductor connection, a grid-side phase conductor connection, and a load-side phase conductor con...
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WO/2023/046397A1 |
The invention relates to a charging station which has: a residual current sensor which is assigned to the phases and the neutral conductor and is intended for detecting a residual current having a DC component and an AC component; an AC/...
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WO/2023/046964A1 |
Disclosed is a charging station for charging an energy storage device of an electric vehicle, the charging station comprising: a switching apparatus which is designed to open and close the phases and the neutral conductor of the charging...
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WO/2023/048618A1 |
The present invention relates a method (200) for electric leakage safety of an electric motor (101) immersed in water and being connected to a power supply (102), wherein the method (200) uses a protection system (103). The protection sy...
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WO/2023/045201A1 |
The present application discloses an over current protection (OCP) method and apparatus, and a power supply circuit. When an over current signal which is sent by a DC-DC conversion module and represents that an output current of the DC-D...
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WO/2023/046417A1 |
The invention relates to a charging cable (5) for a charging station (1) for charging an energy store (2) of an electric vehicle (3) with a DC charging voltage. The charging cable (5) has at least one DC+ conductor (DC+), at least one DC...
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WO/2023/046076A1 |
Some embodiments of the present disclosure provide an air conditioner, comprising a power supply circuit, a first sampling circuit, and a controller. The controller is connected to the power supply circuit and the first sampling circuit,...
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WO/2023/042417A1 |
The disclosure concerns a method for protecting against overvoltage a current fed converter, comprising a switching cell having two or more legs, each leg being provided with at least one switching device, in an open circuit failure cond...
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WO/2023/042344A1 |
This protection and control system has a main computation unit, a failsafe computation unit, a main output unit, a failsafe output unit, and a trip circuit. The main computation unit performs calculations for controlling electrical equip...
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WO/2023/038051A1 |
A plug-type electric discharge detection unit 1 equipped with two plugs 12, which consist of a positive and a negative electrode plug and are configured so as to be insertable into the two plug insertion holes 81 of a plug socket 8, an e...
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WO/2023/038121A1 |
Provided is an electrical discharge detection system comprising a master breaker 10, a plurality of branch breakers 20, a plurality of electrical discharge detection units 30, and at least one current-limiting resistor 33, wherein: each ...
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WO/2023/037833A1 |
In this driving circuit for semiconductor elements according to one aspect of the present disclosure, an abnormality detection unit 9 outputs an abnormality detection signal to a normal driving unit 8 upon detecting that overcurrent has ...
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WO/2023/035440A1 |
The present utility model relates to a low-voltage hybrid direct-current circuit breaker, comprising a main through-flow branch, a current transfer branch, an energy absorption branch and a control device. The main through-flow branch is...
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WO/2023/034272A1 |
A switched capacitor bank assembly including a first capacitor, a first switch selectively connected between the first capacitor and a first phase line, and a first voltage sensor integrated within a housing of the first switch and confi...
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WO/2023/034217A1 |
Circuit includes a voltage-detection-path having a first transistor and a second transistor coupled to the first voltage-detection-path by a first terminal of the second transistor. The first voltage-detection-path includes: a first curr...
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WO/2023/031995A1 |
This relay unit of an embodiment is configured such that an AD conversion unit, a calculation processing unit, and an input/output unit can be internally divided. The AD conversion unit converts an input analog signal to a digital signal...
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WO/2023/027223A1 |
A hairdryer, which can be used simultaneously in wired and wireless manners, comprises: a main body comprising a gas discharge part through which a gas is discharged to outside; a handle part which is extended downward from the main body...
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WO/2023/025609A1 |
The invention relates to a method (100) for operating an apparatus having an electrochemical energy accumulator, an electronic high-voltage switch and a DC protection circuit which is connected parallel to the electronic high-voltage swi...
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WO/2023/026655A1 |
A load driving device (1) comprises: a driving control unit (3) which controls a switching circuit (2) that opens and closes a power supply path (L1); and a circuit protection mechanism (4) which protects the switching circuit (2) when a...
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WO/2023/026388A1 |
This vehicle-mounted semiconductor switch device (1) has a semiconductor switch (13) that is controlled by ON-signals and OFF-signals outputted by a vehicle-mounted drive circuit (42) and that switches between an ON-state and an OFF-stat...
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WO/2023/020773A1 |
The invention relates to a device for monitoring a power distributor (18) of a motor vehicle, which power distributor is used for connecting and disconnecting two on-board electrical sub-systems (10, 11), comprising at least one main pat...
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WO/2023/021846A1 |
An in-vehicle system according to the present invention is provided in a vehicle and includes a first in-vehicle ECU that controls a semiconductor fuse and a second in-vehicle ECU that is communicatively connected to the first in-vehicle...
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WO/2023/022780A1 |
A system and method for identifying an earth fault in a resonant grounded medium voltage network that employs a REFCL compensation system. The method derives a zero sequence real power from a phase voltage to ground on each phase and a c...
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WO/2023/015779A1 |
Disclosed is a high-reliability protection circuit and a power supply system. The high-reliability protection circuit comprises: a load overcurrent voltage monitoring module, which detects a load power supply voltage of a load and determ...
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WO/2023/017108A1 |
Said method for configuring electrical devices in an electrical switchboard comprises the steps of: - acquiring (S200) machine-readable configuration data comprising a list of electrical devices to be set up; - displaying (S202) a visual...
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WO/2023/017221A1 |
The invention relates to a device (10) for disconnecting a high-voltage direct electric current by way of a fuse (26) interposed in a main branch (24), with: - an overload system (30) able to generate an oscillating overload current that...
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WO/2023/018494A1 |
An electrical power network employing fault location, isolation and system restoration. The system includes a plurality of switching devices electrically coupled along a power line downstream of a fault interrupting device. The switching...
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WO/2023/015690A1 |
A reverse current suppression circuit for a PMOS transistor, comprising: a gate driving unit (101), wherein if the potential of a source of a first PMOS transistor is less than the potential of a drain, the gate driving unit (101) makes ...
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WO/2023/018953A1 |
An arc fault detection system senses current flow in a power source branch and in one or more load branches in an electrical system. Over a frequency range divided into a predetermined number of frequency bins, a controller records and t...
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WO/2023/014595A1 |
A system is provided that includes a power transmitter configured to provide power to a current loop, a power receiver configured to receive the power from the current loop. The power receiver is configured to, on a periodic basis, disco...
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WO/2023/011739A1 |
A DC solid state circuit breaker (SSCB) and DC circuit breaker system. The SSCB comprises a power module (40) with a first controlled power semiconductor (41), a DC- Link (50), a semiconductor (61) and a pre-charging system (70) with an ...
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WO/2023/012279A1 |
The invention relates to a device (20) for protecting an electronic equipment item, configured to limit electric current between an electric power generator and an electric-power-consuming electronic equipment item. This device comprises...
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