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WO/2023/174969A1 |
The invention relates to a method for examining an electrochemical cell (100) using electrochemical impedance spectroscopy (EIS), comprising the steps of: - impressing a frequency (fi) onto a load signal (I, U) on at least one segment (1...
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WO/2023/176228A1 |
This power source device comprises: a secondary battery; a discharge switch that is connected in series with the secondary battery; a current limiting switch that is connected in parallel with the discharge switch, and that is switched t...
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WO/2023/176090A1 |
A computer-implemented method is provided for detecting broken bar faults of an induction motor during operations. The method includes steps of injecting a frequency modulation continuous wave (FMCW) voltage signal to the voltage source ...
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WO/2023/175168A1 |
An earth clamp for overhead line structures, comprising a clamp frame comprising a profile having a flat contact point at each end of the profile and a middle part at different height than each contact point at each end of the profile, a...
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WO/2023/176098A1 |
The present invention provides a device that makes it possible to estimate a ground fault point with high accuracy by aggregating signals from the power-receiving equipment of existing power consumers. A ground fault point estimation dev...
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WO/2023/177192A1 |
A battery system may comprise: multiple battery packs; multiple first relays connected between a first contact and the positive electrode of a corresponding battery pack with respect to each of the multiple packs; multiple second relays ...
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WO/2023/175985A1 |
Provided is an estimation device for estimating a position of occurrence of an accident on a power-feeding line in a DC power-feeding system in which a plurality of locations, each provided with a power-feeding device, are connected with...
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WO/2023/176028A1 |
The purpose of the present invention, in relation to technology for estimating the state of degradation of a battery using voltage characteristics during a rest period after charging/discharging of the battery, is to accurately estimate ...
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WO/2023/173934A1 |
A sampling circuit and a terminal device. The sampling circuit comprises an overcurrent protection unit, a voltameter unit and a first sampling resistor (R1), wherein the overcurrent protection unit is provided with a first overcurrent s...
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WO/2023/176039A1 |
An equipment diagnostic device (100) comprises: an electrical leak sensor (10); an equipment state acquisition unit (20) that acquires an equipment state which is a state of load equipment (1) and/or a peripheral environment of the load ...
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WO/2023/177780A1 |
Systems and methods for measuring pressure applied to electrochemical cells are generally described. In some aspects, electrochemical devices including an electrochemical cell and an associated sensor are provided. The sensor may be conf...
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WO/2023/174631A1 |
The invention relates to an electrified motor vehicle with a high-voltage storage device, at least one electric machine, power electronics, a DC/DC converter, and an electronic analysis unit for a central component-specific energy monito...
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WO/2023/176423A1 |
This method involves: acquiring battery data that includes temperature data indicating the temperature of a battery, SOC data indicating the SOC of the battery, and integrated current amount data indicating an integrated current amount a...
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WO/2023/176043A1 |
This cooling unit comprises a jacket that includes a center part and an outside part. An opening that allows light from a semiconductor device to pass through is formed at the center part. The outside part includes a contact part that co...
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WO/2023/175092A1 |
A method (200) for detecting an isolation fault condition of a LED module (802) supplied with electrical power by a non-isolated switched LED converter (801), the switched LED converter (801) having a control circuit (701) for issuing a ...
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WO/2023/176102A1 |
A data acquisition unit 111 acquires data relating to a battery pack in which a plurality of cells are connected in series, or a battery pack in which parallel cell blocks, in which a plurality of cells are connected in parallel, are con...
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WO/2023/173873A1 |
The present application discloses a correction method and a related assembly. According to a solution, loading is performed on an electronic load, and during each loading, a digital multimeter collects the output voltage of a VR inverter...
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WO/2023/173512A1 |
A probe condition monitoring method, a test system, a computer device, and a storage medium. The probe condition monitoring method comprises: acquiring test data of a sensitive test parameter measured by a probe at a preset insertion dep...
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WO/2023/174609A1 |
The invention relates to a provisioning control apparatus (140) configured to be coupled to a provisioning apparatus (160), wherein the provisioning apparatus (160) is electrically connectable with a plurality of pins of an electronic co...
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WO/2023/178020A2 |
A system for assessment of dimensional variation of an electro-chemical battery cell during charge/discharge cycling, including a test fixture configured to position thereon a battery cell. The test fixture includes a pressure plate conf...
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WO/2023/173194A1 |
A chip testing device and a method of operating thereof is provided herein. According to at least one embodiment, the chip testing device comprises: a test board having at least one mounting surface; at least one chip socket located on o...
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WO/2023/173532A1 |
A ring oscillator and a test method, which belong to the technical field of reliability testing. The ring oscillator comprises a first logic gate (10), a second logic gate (20) and a switching circuit (30). The first logic gate (10) is c...
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WO/2023/173418A1 |
The present disclosure belongs to the technical field of electronics. Provided are a chip system and an electronic device. The chip system comprises a BGA chip (1), a PCB (2), a signal source module (3) and a detection module (4). Functi...
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WO/2023/173154A1 |
The present invention discloses a test arrangement for checking a test object (1), wherein provision is made in the test arrangement for a loading unit (3) that is connected to an automation unit (6) and is designed to specify an operati...
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WO/2023/174895A1 |
Technologies are provided for impedance measurements. In one aspect, a method for measuring impedance of an individual cell in a series of cells may include combining output voltages measured from the individual cell and output voltages ...
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WO/2023/176044A1 |
This cooling unit comprises a jacket for radiating heat from a semiconductor device. The jacket has a middle section and an outside section. The middle section has an opening formed therein, through which light passes from the semiconduc...
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WO/2023/169601A1 |
An inlet current simulator apparatus, which comprises: test ports, a first switch apparatus (K1), a second switch apparatus (K2), a first variable resistor (RX1), a second variable resistor (RX2), a matching box (HBP-T), an isolation box...
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WO/2023/168492A1 |
A vehicle power supply management system has a power supply comprising a plurality of battery cells and switching controlling electrical connection of the battery cells. The system is configured to measure an electrical parameter to dete...
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WO/2023/171172A1 |
This semiconductor integrated circuit device comprises a logic circuit, a hold circuit, and a test circuit. The hold circuit is configured to hold setting information output from the logic circuit by being triggered by an event after the...
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WO/2023/171037A1 |
Provided is a method for estimating a partial discharge factor of a power semiconductor module, by which a partial discharge factor can easily and automatically be estimated using time series data regarding the discharged charge quantity...
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WO/2023/169134A1 |
A battery SOH value calculation model generation method, a battery SOH value calculation method, an apparatus, and a system. The battery SOH value calculation model generation method comprises: obtaining n first SOH values of n sets of b...
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WO/2023/168796A1 |
Embodiments of the present application relate to a data analysis method and apparatus, and a storage medium. The method comprises: obtaining a single shmoo plot of each pin of a single memory die; and constructing an integrated shmoo plo...
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WO/2023/169743A1 |
Capacitive sensor (100), comprising: - a MEMS element (10) having a capacitive Wheatstone bridge circuit (21); and - an ASIC element (20), wherein: the ASIC element (20) is designed to determine a measurement value of at least one refere...
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WO/2023/172735A1 |
Methods and apparatus for estimating an energy storage performance property of an energy system are provided. The method includes providing, as input to an energy storage model and a machine learning model, sensor information associated ...
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WO/2023/168893A1 |
A chip temperature regulating method. The method comprises: obtaining temperature data of a reference chip (1031a) for multiple times by using a temperature sensor (1032); when the temperature data of the reference chip (1031a) is not wi...
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WO/2023/171119A1 |
A state diagnosis system (101) can appropriately ascertain the state of a battery. A state diagnosis device (11) comprises a waveform approximation model processing unit (24) that acquires characteristic curve information (D25) for a bat...
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WO/2023/168508A1 |
When balancing cells in battery packs, the voltage induced by the balancing current across the parasitic wire resistance distorts the measured cell voltage, leading to inaccurate cell state estimation. A method and battery management sys...
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WO/2023/168581A1 |
An impedance detection device for a battery, the device comprising: a first processing module (501), which is used for performing a first code transformation on the first signal according to a preset code to obtain an excitation signal, ...
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WO/2023/169759A1 |
The invention relates to a method for determining at least one estimated operating parameter (9) of a battery (1), having the steps of: receiving at least one measured operating parameter (5) of the battery (1); and determining the at le...
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WO/2023/170368A1 |
The present invention relates to an electrical distribution route for an aircraft comprising electrical cables (40) and electrical connection interface members (38), the route comprising a diagnostic and detection device for diagnosing a...
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WO/2023/169744A1 |
The invention relates to a system (100) for modelling at least one state of a battery, the system comprising a parametric battery model (120), configured to receive one or more inputs (IN1 - INN) and to provide a first output (OUTBAM) ba...
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WO/2023/169643A1 |
A method of estimating induction motor torque, comprising a calculation of the ratio of output power (P01) to motor rotational speed (N1) is disclosed. The calculation comprises determining, using motor name plate information (NPI), rate...
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WO/2023/169098A1 |
An isolation forest-based method for diagnosing an open-circuit fault of a modular multilevel converter, comprising the following steps: sampling the capacitance and voltage of sub-modules, constructing an isolation tree according to cap...
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WO/2023/171880A1 |
Proposed in the present invention is an arc detection apparatus having a multi-frequency band identification function, which divides an arc frequency band using a plurality of band-pass filters and detects the occurrence of an arc for ea...
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WO/2023/171619A1 |
This battery monitoring device (20 comprises a measurement unit (13) and a computation unit (14). The measurement unit (13) includes a voltage measurement unit (3) and a current measurement unit (4). The computation unit (14) includes: a...
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WO/2023/171420A1 |
A battery monitoring device (101) comprises: a reference resistor (2) connected in series with a battery pack (1); a measurement calculation unit (voltage measurement part (9), current measurement part (8), impedance calculation part (10...
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WO/2023/171848A1 |
The present invention relates to an earth leakage breaker with a built-in trip modular circuit breaker, wherein the earth leakage breaker is installed between a power supply and a load line and includes a trip module for breaking the lin...
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WO/2023/169781A1 |
The invention relates to a battery terminal clamp comprising a receiving body (72) for a battery terminal and a stop (76) extending from the receiving body (72) and adapted to restrict rotational movement of an assembly (54) connected to...
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WO/2023/169479A1 |
Provided are a power supply method and apparatus, and a voltage measurement method and apparatus. The power supply method comprises: detecting a power supply indication, wherein the power supply indication comprises a target voltage to b...
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WO/2023/173047A1 |
A hybrid battery system comprises a high-power energy element; a high-capacity energy element; a switching element; a sensor configured to measure current draw; and a microcontroller. Current draw by an electrical load from the hybrid ba...
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