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WO/2024/079047A1 |
The invention relates to a method for determining, at multiple intervals and thus repeatedly, an electrical signal characteristic of the magnitude of and/or the change in an impedance which changes under the influence of a magnetic, elec...
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WO/2024/079922A1 |
The present invention comprises: an insulation capacitor that is opened and closed by the neutral-point switch of a transformer for a ground-type gauge; a DC power supply that charges the insulation capacitor; a DC power supply switch th...
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WO/2024/078174A1 |
An insulation detection method, system and device based on variable-frequency small signal injection. The insulation detection method comprises: generating a first sinusoidal alternating current voltage signal according to a first freque...
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WO/2024/081228A1 |
An example device for measuring a response of a sensor is described herein. The device includes a clock generator configured to transmit a radiofrequency (RF) signal; an antenna operably connected to the clock generator; a directional co...
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WO/2024/067590A1 |
A capacitance measurement method based on a delay phase-locked loop and a capacitance measurement circuit. The method comprises: when a capacitance measurement circuit is in an open-loop state, carrying out delay processing on a referenc...
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WO/2024/066550A1 |
An insulation test circuit and method for a vehicle high-voltage line. A positive electrode and a negative electrode of a battery in a vehicle battery pack are connected to a vehicle electric device (103) by means of a main positive rela...
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WO/2024/062653A1 |
This diagnostic device compares the frequency characteristics of a current transformer at the start of the operation and the frequency characteristics of the current transformer after the start of the operation, and, when an amount of ch...
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WO/2024/064082A1 |
A circuit includes a processing circuit (400). The processing circuit (400) is configured to model a battery using a battery model. The battery model includes: a voltage terminal, an RC stage having a first resistor and a first capacitor...
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WO/2024/059915A1 |
The invention comprises automatically tuning a power management system (1000) adapted for use with a vehicle or marine electrical power system (100) powered by an internal combustion engine (105) and an alternator (110) driven by the int...
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WO/2024/058425A1 |
Provided are a foldable device controlling charging of battery cells, and a method therefor. The foldable device comprises: a first battery pack which is accommodated in a first housing structure and comprises a first battery cell; a sec...
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WO/2024/053428A1 |
This resistance measurement device comprises a connection structure unit including a set of first contact parts that make contact with a first member and a second member, and a set of second contact parts that make contact with different...
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WO/2024/047379A1 |
A method for impedance measurement of coupled AC transmission lines. The method includes measuring a zero-sequence impedance of a three-phase transmission line that are configured to transmit electric power from a first substation of a p...
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WO/2024/049230A1 |
A patterned resistance detection circuit according to an aspect of the present invention comprises: a current source generator which generates a reference current and applies same to a patterned resistance; a reference voltage generator ...
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WO/2024/045569A1 |
An inverter impedance measurement method and apparatus, a terminal device and a storage medium, which relate to the technical field of impedance measurement. The method comprises: acquiring a disturbance voltage frequency domain signal a...
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WO/2024/040516A1 |
The present disclosure provides a nitride-based electronic device with wafer-level dynamic on-resistance monitoring capability which can be integrated into an integrated circuit chip. The nitride-based electronic device comprises: a cont...
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WO/2024/043641A1 |
An impedance measurement apparatus, according to an embodiment of the present invention, comprises: a plurality of detection modules that detect response signals respectively corresponding to a plurality of battery cells; and a control m...
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WO/2024/036432A1 |
A direct current resistance (DCR) measurement method for a battery, a system, a device, and a storage medium. A plurality of discharge current pulses are applied in the constant-current charging process of a battery to form a negative pu...
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WO/2024/036363A1 |
A system for nucleotide chain sequencing, the system including an apparatus with: at least one electrode for measuring a collective electromagnetic signal from a portion of a nucleotide chain, the portion including a plurality of nucleot...
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WO/2024/039117A1 |
A crack detection device may comprise a signal supply unit, a resistance adjustment unit, a path control unit, and a detection unit. The path control unit may select a first path and a second path. A signal for detection may pass through...
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WO/2024/032431A1 |
A radio frequency power supply signal acquisition method and an apparatus. The method comprises: determining a rising edge interval and a falling edge interval in a current pulse cycle according to the power variation of continuously sam...
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WO/2024/034804A1 |
The embodiments herein relate to a method for implementing a digital cigarette taste and a digital cigarette scent, and, particularly, to a method by which a user using a digital cigarette uses a digital recipe so as to smoke same with t...
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WO/2024/034805A1 |
Embodiments below relate to a method for realizing a digital cigarette flavor and a digital cigarette scent and, more particularly, to a method for a user using digital cigarettes to smoke digital cigarettes by using digital recipes. Acc...
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WO/2024/034816A1 |
An electronic device may comprise: a converter that is configured to perform DC/DC power conversion; a power conversion circuit that is electrically or operatively connected to the converter and configured to perform AC/DC power conversi...
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WO/2024/027781A1 |
A self-diagnosis device (200), a programmable system (100), and a computer-readable storage medium. The self-diagnosis device (200) is configured to: acquire, when a patient satisfies a preset monitoring condition, first measurement data...
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WO/2024/029621A1 |
The objective of the present invention is to efficiently determine the electrical conductivity of an object being tested. In this electrical conductivity testing method: an object being tested (electrical conductor 3 or insulator 4) and ...
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WO/2024/022977A1 |
Computer-implemented methods, devices and computer programs for determination and monitoring of series resistance of a PV device or system. One of the methods comprises: computing a voltage factor, VF, of the PV device/system as a ratio ...
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WO/2024/024359A1 |
An impurity detection support device 100 comprises: a pipeline 102 through which a test liquid flows; a pair of electrodes disposed so as to be capable of applying an alternating-current voltage to, or capable of superimposing an alterna...
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WO/2024/021516A1 |
A capacitance measurement circuit, a touch control chip, and an electronic device. The capacitance measurement circuit (200) is used to measure a capacitance to be measured (Cx) between a sensing electrode (RX) and a driving electrode (T...
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WO/2024/019526A1 |
Disclosed are a lightning protection-type smart pole and a ground monitoring method therefor. The lightning protection-type smart pole, according to one embodiment of the present invention, comprises: a pole; a dipole lightning arrester ...
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WO/2024/019481A1 |
One embodiment of the present disclosure can provide a wireless power transmission device comprising a resonator and a magnetic displacement control module, the resonator comprising at least one coil and at least one capacitor, the magne...
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WO/2024/011436A1 |
An apparatus for measuring dynamic on-resistance of a device under test(DUT) is provided.The apparatus(10A) comprises a testing interface configured for coupling between the DUT(20) and a measuring equipment(30); a first measuring circui...
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WO/2024/011286A1 |
A structural health monitoring system comprises frequency sweep generator which generates an AC which is simultaneously provided to multiple impedance measuring circuit modules. Each impedance measuring circuit module is connected to a p...
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WO/2024/012216A1 |
A new high-precision equivalent-inductance measurement method and system. A measurement circuit is formed by connecting a resistor, a constant-current source circuit and a planar coil inductor in parallel, wherein the planar coil inducto...
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WO/2024/012091A1 |
Provided in the present application is a state monitoring method for a thermal-power energy-storage current transformer. The method comprises: acquiring a plurality of state quantities of a current transformer in a GIS, and acquiring a p...
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WO/2024/011783A1 |
A submarine cable armor loss factor test calculation method, comprising the following steps: step S1, pre-treating a submarine cable; step S2, providing a test loop for the submarine cable; step S3, adjusting the current in the test loop...
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WO/2024/002027A1 |
Embodiments of the present disclosure provide a method and system for online monitoring of interconnect impedance. The method comprises: according to reflection coefficients ρ of interconnect impedance collected by a time domain reflect...
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WO/2024/003952A2 |
Techniques are provided for correctly associating a feedback port of a DC-DC voltage converter system and a DC power output port of the DC-DC voltage converter system. By having a correct association, measurement data from a measurement ...
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WO/2024/000553A1 |
The present application provides a photovoltaic system and method for equivalent impedance measurement of a multi-machine photovoltaic module, and a photovoltaic power conversion device. The photovoltaic module is connected to a power gr...
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WO/2024/005328A1 |
An electronic device according to various embodiments may comprise a coil, a conductive pattern positioned at the center part of the coil, and a controller. The controller may be configured to detect a change in capacitance due to an ext...
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WO/2024/005408A1 |
This foldable electronic device comprises: a display comprising a first region and a second region; a first housing and a second housing; a hinge structure connecting the first and second housings so as to be foldable relative to each ot...
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WO/2024/001883A1 |
An interconnection structure impedance measurement circuit. A Wheatstone bridge structure is optimized, and three branches connected in parallel are used, wherein interconnection structures to be measured in one branch are connected in s...
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WO/2023/245900A1 |
A joint resistance measurement device, comprising: a control unit (160), a constant current source (140), a constant voltage source (180), a first connection end (111), a second connection end (112), a first change-over switch (121), a s...
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WO/2023/245913A1 |
A method, apparatus and system for monitoring the earthing resistance of an earthing pole, and a medium. In the solution provided in the present application, during monopole earth operation, a direct-current project is used to obtain the...
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WO/2023/249094A1 |
The present invention makes it possible to easily know an error of measurement by this measurement device. A measurement device (100) is characterized by comprising: a data processing control circuit (4) that measures impedance between...
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WO/2023/248299A1 |
A degradation diagnosis method according to the present invention includes a step for arranging an insulation degradation sensor in the environment of an insulator. A plurality of pieces of metal wiring are connected in parallel at the i...
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WO/2023/246455A1 |
An online monitoring method and apparatus for contact resistance of a GCB of a large generator, and an electronic device, a readable storage medium, a computer program product and a computer program. The method comprises: step S1, acquir...
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WO/2023/243578A1 |
The present invention corrects errors in measurement on the basis of the actual circumstances in which the measurement is done. A measurement device (1) is for measuring an electrical characteristic value of a measurement subject arran...
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WO/2023/240742A1 |
A circuit noise parameter acquisition method and an electronic device. The method comprises: determining a plurality of circuits under test, wherein each circuit under test comprises one or more signal lines under test, and each circuit ...
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WO/2023/242467A1 |
A monitoring device (100) for monitoring winding insulation condition of an electric motor (202), motor phases of which are connected to a variable frequency drive (201), wherein the monitoring device (100) is configured to determine whe...
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WO/2023/240596A1 |
The present disclosure relates to a semiconductor test structure and a test method thereof. The semiconductor test structure comprises: a substrate, and a first test part, a second test part and a third test part, which are arranged on o...
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