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WO/2023/207404A1 |
A method for measuring an internal resistance of a battery, and a circuit for measuring an internal resistance of a battery, which relate to the technical field of batteries. The method comprises: determining the capacity range of a batt...
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WO/2023/209627A1 |
A method for measuring an earth resistance in a battery charging system connected to or connectable to a power grid; said method comprising the steps of injecting a first alternating current signal between a first, neutral, node and a se...
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WO/2023/210119A1 |
This EC sensor (101) comprises: a casing (2) having a flat first surface (31); a plurality of electrodes disposed so as to be exposed on the first surface (31); a measurement circuit (3) for applying a voltage between at least any two el...
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WO/2023/209624A1 |
A method for measuring an earth resistance in a battery charging system connected to the power grid comprising, for each measurement cycle, the steps of injecting a first, alternating current, signal between a first, neutral node and a s...
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WO/2023/212280A1 |
An electric utility meter includes a housing, an input configured on the housing that receives input electricity from an electricity source, and a controller having an electronic processor and a memory. The electronic processor is config...
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WO/2023/206996A1 |
A method for measuring ex situ contact resistance between a polar plate and a diffusion layer of a fuel cell, used for measuring the interfacial contact resistance between assembly layers of a fuel cell, and measurement is performed by m...
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WO/2023/206894A1 |
A driving chip (100), a display apparatus and a bonding resistor test system. The driving chip (100) comprises at least two first connection terminals (110), and the driving chip (100) internally comprises a resistance measurement circui...
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WO/2023/197037A1 |
A method for determining an orthofraction (xo) of a hydrogen fluid is disclosed. The method comprises the steps of measuring a dielectric permittivity (ε r ) of the hydrogen fluid at a known temperature and pressure; determining the pol...
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WO/2023/197383A1 |
A display system and a display system detection method, the display system comprising: a main control unit (11) for outputting a first detection signal and calculating the connection resistance according to a received connection voltage ...
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WO/2023/194882A1 |
A method for measuring a dissipation factor of a voltage divider of a capacitor voltage transformer (CVT). The CVT includes a capacitor voltage divider (CVD), an intermediate voltage transformer (IVT), and a compensating reactor (CR). Th...
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WO/2023/193345A1 |
Embodiments of the present application relate to the field of microelectronics, and provide a capacitance measurement circuit and a capacitance measurement method. The capacitance measurement circuit comprises: a capacitor to be measured...
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WO/2023/193529A1 |
An insulation monitoring method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring an induced electromotive force of each measured object, and respectively detecting an insulation resistance value ...
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WO/2023/189179A1 |
This impedance measurement device measures the impedance of a secondary battery (42). The impedance measurement device comprises a measurement unit (50) capable of measuring the impedance through a plurality of measurement modes that dif...
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WO/2023/191394A1 |
A test connector is disposed between a test device and a device under test. The connector comprises a housing, a signal-conducting part, an insulating support part, and an air insulation part. The signal-conducting part is vertically dis...
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WO/2023/187270A1 |
The invention relates to a method for controlling a vehicle, comprising:• - a control device able to carry out the method, • - an electrical circuit, • - a device (102) for testing the isolation of the electrical circuit, this elec...
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WO/2023/189370A1 |
A measuring device (10) comprises a voltage dividing resister unit (2), an AD converting unit (3), and a calculating unit (4). The voltage dividing resister unit (2) includes a plurality of voltage dividing resistors (R1 to Rn, Rm) for d...
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WO/2023/182828A1 |
The present invention relates to a non-contact safety detection apparatus which, when a power door is operated using a motor, can detect, in a non-contact manner, a human body getting caught in the power door, and as a non-contact sensor...
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WO/2023/176848A1 |
Provided is a measurement cell that makes it possible to improve the precision of measurements of the electrical characteristics of a liquid. A measurement cell (1) for measuring the electrical characteristics of a liquid comprises an ...
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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/2023/172211A1 |
A load sensing method for a single-switch partial resonant inverter circuit comprising the steps of a time dependent control of the load (22) by determination of a to time (40), a t1 time (42), a t2 time (44), a t3 time (46), a t4 time (...
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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/2023/164900A1 |
The present disclosure provides an apparatus for measuring dynamic on-resistance of a nitride-based device under test (DUT) comprising a control terminal connected to a controller being configured to generate a control signal to switch o...
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WO/2023/167215A1 |
The objective of the present invention is to provide a measuring jig and a measuring device capable of accurately detecting a defect in a measurement target object by measuring at least one of a voltage, a current and a resistance in an ...
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WO/2023/163137A1 |
[Problem] To improve the precision of impedance analysis used in diagnosing the state of a battery and the like. [Solution] An impedance measurement device characterized by comprising: an application unit for applying a voltage or a curr...
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WO/2023/160968A1 |
The invention relates to a method for operating a circuit breaker (100) which couples a load circuit (200) to be protected to a supply circuit (300). The circuit breaker (100) has a mechanical switch element (110) and an electronic switc...
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WO/2023/160950A1 |
The invention relates to a method for determining an inductance (L) of a measuring coil (2), comprising the following steps: switching on and switching off a coil current (I) flowing through the measuring coil (2) at times which are pred...
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WO/2023/160373A1 |
A measurement method and apparatus for a touch screen panel. The method comprises: comparing whether each capacitance value in capacitance matrix data is within a first preset range; if not, marking a capacitor corresponding to the capac...
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WO/2023/155514A1 |
A method and apparatus for verifying a buffer resistor, and a terminal and a storage medium, which relate to the technical field of circuits. The method for verifying a buffer resistor specifically comprises: acquiring an electric energy...
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WO/2023/155528A1 |
Provided is a method for performing impedance amplitude-frequency characteristic scanning for an RTDS model based on positive and negative zero domains. The method comprises: constructing a power grid model in a real-time digital simulat...
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WO/2023/155049A1 |
A device (100) for detecting ground faults and an electrical system (1000) comprising the device (100). The device (100) for detecting ground faults comprises: a stimulating source (110) coupled to a ground (G) and configured to generate...
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WO/2023/154395A1 |
The present invention is directed to a method for verifying the integrity and authenticity of a printed circuit board, including associated components and packaging. The method is based on analyzing the power integrity of the power distr...
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WO/2023/154518A2 |
A broadband-capable current/voltage sensing-based VSWR resilient true power/impedance detector and method are disclosed that can be used for single-ended interfaces of individual phased array elements of a phased array antenna, e.g., lar...
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WO/2023/153282A1 |
The present invention improves reliability of inspection of electronic parts. An inspection device (2) calculates an estimation value (Rse) of a measured value of alternating current resistance, using a trained model (35) that causes a...
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WO/2023/149571A1 |
This electrical conductivity measuring method includes: a) a step for measuring a first complex impedance between a first detecting electrode (21) and a second detecting electrode (22) at a first frequency, in a state in which a liquid (...
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WO/2023/149572A1 |
This electrical conductivity measuring method for measuring an electrical conductivity of a liquid includes: a) a step for measuring a first complex impedance between a first detecting electrode (21) and a second detecting electrode (22)...
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WO/2023/149575A1 |
A conductivity sensor (101) is for measuring the conductivity of a liquid (LQ) and comprises: an insulating layer (10); a first detection electrode (21) disposed on the insulating layer (10); a second detection electrode (22) disposed on...
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WO/2023/148328A1 |
Measuring and monitoring method for checking an insulation resistance of an insulation device in an unearthed supply network comprising a battery, wherein the battery is in particular a high-voltage battery (HV battery), by acquiring the...
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WO/2023/145617A1 |
This detecting device comprises: a signal output unit for outputting a measurement signal having a frequency component to a target line; a measuring unit for receiving from the target line a response signal including a signal obtained th...
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WO/2023/144823A1 |
A surface/tactile sensing device comprising an elongated interaction layer configured for interaction with environments external to the surface sensing device, one or more elongated gauging straps/patterns arranged along a length of the ...
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WO/2023/144179A1 |
The present invention relates to a method (400) for determining a grounding impedance (210) of a grounding device (120) of a power engineering unit (110). The method comprises determining (406, 412) at least two impedance values on the g...
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WO/2023/143638A1 |
A test apparatus and test method for the contact resistivity of a temperature-variable heterogeneous interface. The test apparatus comprises: a probe test platform, which is used for controlling the scanning of a micron probe (51) on the...
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WO/2023/143228A1 |
Provided in the present application are an equivalent impedance measurement method for a photovoltaic assembly, a photovoltaic power generation device, an equivalent impedance measurement apparatus for a photovoltaic assembly, and a phot...
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WO/2023/139871A1 |
The present invention addresses the problem of providing an impedance measurement system and method capable of suppressing the effect of noise in the vicinity of a measurement frequency due to interference from a plurality of impedance m...
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WO/2023/138045A1 |
An energy efficiency index detection apparatus for a power transformer, the apparatus comprising an IPC central control unit, a PLC electrical core controller, a physical key, a direct-current resistance test unit, no-load/load test unit...
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WO/2023/139870A1 |
Provided is an impedance measurement device which can suppress the influence of noise near a measurement frequency and which enables measurement with high accuracy. The above problem can be solved by an impedance measurement device (1)...
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WO/2023/140572A1 |
A charging protection device and a system including the same are disclosed. The charging protection device of the disclosure includes a first connector including a plurality of first terminals, a second connector including a plurality of...
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WO/2023/136512A1 |
An apparatus for calculating the depth of charge of a battery according to an embodiment disclosed in the present document may comprise: an information obtaining unit for obtaining an open circuit voltage (OCV) value according to a state...
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WO/2023/136467A1 |
The present invention relates to a test jig and a test apparatus provided with a wireless connector. Disclosed is a test apparatus comprising test equipment aligned with the test jig, wherein: the test equipment includes a first wireless...
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WO/2023/136705A1 |
The present invention relates to an apparatus for detecting a dielectric breakdown of a motor of an electric compressor. The apparatus for detecting a dielectric breakdown of a motor of an electric compressor, according to the present in...
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WO/2023/136454A1 |
A wireless power transmission device is disclosed. A wireless power transmission device according to various embodiments may comprise: a transmission coil including a first member, which has one end and the other end forming a first angl...
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