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WO/2024/108848A1 |
The present invention provides a current sampling method and apparatus for a PFC circuit, an air conditioner, and a storage medium. The method comprises: outputting a turn-on signal to a switching device (S100); acquiring a first duratio...
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WO/2024/109031A1 |
An HHT-based voltage quality disturbance detection method, comprising: acquiring an original voltage signal for spectral analysis, determining spectral information of the original voltage signal, and determining whether the original volt...
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WO/2024/110139A1 |
The invention relates to a measuring device (1) comprising a shunt (2) and a flexible printed circuit board (6). The flexible printed circuit board (6) is arranged on the shunt (2) on one side thereof. A temperature measuring element (7)...
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WO/2024/112163A1 |
A channel anomaly detection device may comprise: a plurality of switches connected to a plurality of data signal output circuits; and a controller that detects channel anomaly on the basis of a sensing signal received through a control w...
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WO/2024/112862A1 |
A method for determining one or more mislabeled phases of the voltage at one or more laterals and customer points in a three phase power distribution network comprises receiving data indicating a plurality of electrical connections among...
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WO/2024/111941A1 |
The present invention relates to an electric vehicle charger performance inspection system enabling inspection of the performance of a charger for charging an electric vehicle with a DC power source, the system comprising: a simulator fo...
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WO/2024/111929A1 |
Provided in one embodiment is an arc fault detection device comprising: a sensing circuit for sensing noise generated from an electrical device; an arc noise calculation circuit, which uses a lower value from among sensed noise values at...
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WO/2024/111702A1 |
The present invention relates to an arc detection system for preventing fire. The arc detection system according to the present invention is characterized by comprising: a current and voltage detection unit which detects the current and ...
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WO/2024/112014A1 |
The present invention relates to a device for detecting a foreign substance by using multiple frequencies in a wireless power transmission device and, more specifically, to a device for detecting a metallic material on a feed line in ord...
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WO/2024/110488A1 |
The invention relates to a method for detecting parallel circuits of output channels in power supply devices, in which a neural network implemented in a first digital computer of a monitoring device is provided for detecting the parallel...
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WO/2024/106548A1 |
Disclosed are a display device and a method for operating same. A display device according to one embodiment of the present invention comprises: a memory; a battery; and a processor that communicates with the memory. The processor can: g...
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WO/2024/107036A1 |
The present invention relates to a system for preventing a device safety accident by using a virtual fence and a skeleton image, the system comprising: a power measurement unit which measures and collects the value of a current consumed ...
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WO/2024/106668A1 |
In a battery charging control apparatus and method, and a battery system comprising same, according to embodiments of the present invention, a battery is charged with the magnitude of a predefined charging current belonging to a correspo...
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WO/2024/106699A1 |
According to embodiments, an electronic device may comprise: a wireless power transmission/reception circuit; a wired power transmission/reception port; a load switch electrically connected to the wired power transmission/reception port;...
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WO/2024/107579A1 |
Battery current measurement in an electrical circuit is provided. In a non-limiting example, the electrical circuit under measurement can be a wireless communication circuit powered by a battery. In embodiments disclosed herein, the elec...
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WO/2024/105024A1 |
The present disclosure relates to a method for controlling an intelligent electronic device, IED, for power system components, the method comprising: rebooting the IED, wherein rebooting comprises reloading an operating system, executing...
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WO/2024/107809A1 |
A system and process for real-time input harmonics monitoring that can be a permanent and autonomous system and process for real-time measuring, displaying, and monitoring electrical harmonic measurements in high-energy industrial applic...
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WO/2024/099030A1 |
A zero-crossing detection circuit, comprising a detection module (1), a narrow-pulse-width generation module (2) and an output signal processing module (3). The detection module (1) is used for outputting a zero-crossing trigger falling ...
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WO/2024/100291A1 |
An integrated circuit comprises an oscillator arranged to output a periodic clock signal, a logic circuit portion, and a detection circuit portion for detecting a low logic speed relative to a clock signal frequency. The detection circui...
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WO/2024/101911A1 |
A battery fault diagnosis device according to one embodiment of the present document may comprise: an acquisition unit for acquiring voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit for ident...
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WO/2024/101771A1 |
A device for diagnosing the performance of a battery according to one embodiment disclosed herein comprises: a diagnosis module; a diagnosis control unit which, when the battery is inserted into a first channel among a plurality of chann...
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WO/2024/101910A1 |
A battery abnormality diagnosis apparatus according to an embodiment disclosed in the present document may comprise: an acquisition unit for acquiring voltage-state of charge (SOC) profiles of a plurality of battery units; an identificat...
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WO/2024/101930A1 |
The present invention relates to a battery management system for diagnosing the deterioration of a secondary battery having a positive electrode containing lithium iron phosphate as a positive electrode active material, the battery manag...
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WO/2024/100317A1 |
The invention relates to a current sensor formed by an integrated circuit (6), preferably of the TMR magnetic type, mounted on a PCB (5) and also comprising additional circuitry to protect the sensor from possible surges and electrical a...
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WO/2024/101693A1 |
A battery diagnostic device according to an embodiment disclosed in this document comprises: an acquisition unit that acquires respective first voltage values of a plurality of battery units; an identification unit that identifies second...
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WO/2024/103082A1 |
A system and method for validating recorded energy consumption data (318) is provided. The system comprises a power measuring unit (102 )and a server computer (202) in data communication with the power measuring unit (102). The power mea...
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WO/2024/102171A1 |
In an example embodiment, the controller is designed with a single current sensing circuit that is able to measure the current on multiple LED channels, eliminating the need for each LED channel to have its own current sensing circuit. T...
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WO/2024/101908A1 |
A battery pack management device according to an embodiment disclosed in the present document may comprise: a communication unit that receives the voltage of one battery cell group among multiple battery cell groups from multiple sensors...
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WO/2023/086268A9 |
A method of processing power signals is provided. The method includes: receiving an analog poly-phase signal associated with power delivered using alternating current (AC); converting the analog poly-phase signal to a digital poly-phase ...
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WO/2024/101719A1 |
A device abnormality sensor for sensing a device abnormality is disclosed in the present specification. In the device abnormality sensor of the present invention, an elastic plate changes according to changes in a device, and a sensing u...
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WO/2024/098245A1 |
A current measurement apparatus based on an optical fiber ring current sensor, which current measurement apparatus relates to the field of battery current measurement. The current measurement apparatus comprises: a fiber-optic ring curre...
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WO/2024/101960A1 |
A battery management device, according to one embodiment disclosed in the present document, may comprise: an information acquisition unit for acquiring open-circuit voltages of a plurality of battery cells; and a controller which calcula...
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WO/2024/101914A1 |
A battery abnormality diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit which acquires voltage-state of charge (SOC) profiles of a plurality of battery units; an identificatio...
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WO/2024/101909A1 |
A battery abnormality diagnosis device according to one embodiment disclosed herein may comprise: an acquisition unit for acquiring voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit for identi...
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WO/2024/101694A1 |
A battery diagnosis apparatus, according to one embodiment disclosed in the present document, may comprise: an acquisition unit that acquires first voltage values of each of a plurality of battery units; an identification unit that ident...
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WO/2024/101051A1 |
A detection control unit (5) controls operation of a path switching unit (6) and an A/D converter (7), and detects, in time division, the voltage of each of a plurality of battery cells (Cb) on the basis of a digital signal outputted fro...
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WO/2024/101692A1 |
A battery diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit for acquiring first voltage values of a plurality of respective battery units; an identification unit for identifyi...
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WO/2024/097265A1 |
Devices, systems and methods are provided to improve communication of switch sensor and status signals between a medium voltage overheard switchgear and an intelligent electronic device (IED). A switchgear interface device is deployed pr...
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WO/2024/097534A1 |
In a digital-electricity power system, an electrical-current sample value is acquired along with a voltage sample value within a time window over which the electrical current and voltage are substantially unchanged. A transmission-line s...
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WO/2024/092322A1 |
Embodiments generally relate to a computer-implemented method for adjusting an operation frequency of an electricity grid, the electricity grid electrically connecting to at least one grid stabilisation device. The method comprises, at a...
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WO/2024/092905A1 |
A high-voltage monitoring system, comprising: a power quality analysis board (101), used for collecting a secondary side voltage and a secondary side current, carrying out power quality anomaly analysis, and transmitting an analysis resu...
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WO/2024/096583A1 |
An apparatus for diagnosing a battery according to an embodiment of the present invention comprises: a profile acquisition unit configured to acquire a differential profile indicating a corresponding relationship between a voltage of a b...
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WO/2024/095857A1 |
A first magnetic detection element (21), a second magnetic detection element (22), and a third magnetic detection element (23) for detecting a magnetic field produced by a current flowing in a bus bar are provided at positions at differe...
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WO/2024/088121A1 |
Provided in the present application are a power converter and a control method therefor. The power converter comprises an output inductor, an output capacitor, a first current sampling circuit, a first-phase bridge arm, a second-phase br...
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WO/2024/091061A1 |
A device for thermoamperometry and thermocoulometry and an analysis method are provided. One aspect of the present invention provides a device for thermoamperometry and thermocoulometry, comprising: a chamber filled with a measurement so...
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WO/2024/090165A1 |
This voltage detection device comprises a differential voltage detection circuit that samples the voltage at each of two input nodes to detect the differential voltage therebetween, and a leakage cancellation circuit (5) that generates a...
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WO/2024/091424A1 |
Methods and systems measuring structural parameters characterizing a measurement target based on changes in measurement signal values and estimated changes in electrical properties, optical properties, or both, of the measurement target ...
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WO/2024/087874A1 |
The present application relates to a non-contact current and voltage composite measurement device and system, said device comprising a current signal detection apparatus, a voltage signal detection apparatus, a zero-crossing test circuit...
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WO/2024/091041A1 |
An apparatus for diagnosing a battery according to an embodiment of the present invention is an apparatus for diagnosing a status of a plurality of battery cells included in a battery module, the apparatus comprising: a measuring part co...
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WO/2024/087165A1 |
The present application relates to an overcurrent detection apparatus, a protection apparatus, and an anomaly early warning method. The overcurrent detection apparatus comprises: a sampling unit, configured to sample a first measurement ...
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