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WO/2024/083271A1 |
Disclosed in the present invention are an STM32-based Hall phase calibration method and apparatus. The method comprises: connecting an STM32-based adjustable configurator to a PC end, configuring an STM32 chip by using a PC-end upper com...
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WO/2024/001161A1 |
A self-detection circuit based on a power detector, comprising: a power detector, a coupler, a phased array transmitting channel 1, and a phased array transmitting channel 2. The power detector has two working modes, i.e., a phase detect...
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WO/2023/234548A1 |
An electronic device for wirelessly transmitting power may comprise: an amplifier; a load unit that receives a signal output from the amplifier; a phase detector that detects the phase difference between the current and voltage output fr...
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WO/2023/231578A1 |
An analog quantity acquisition method and device. The method comprises: firstly, acquiring current signals by using a zero-flux current transformer acquisition circuit; the zero-flux current transformer acquisition circuit comprising a z...
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WO/2023/229198A1 |
A wireless power reception device according to various embodiments comprises: a power transmission coil; a first circuit electrically connected to the power transmission coil so as to provide first power of a first frequency to the power...
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WO/2023/167394A1 |
Disclosed are a method for estimating the state of a battery and an apparatus for estimating the state of a battery. The present invention comprises the steps of: determining the SOC of the battery; applying a charging current or a disch...
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WO/2023/142296A1 |
A phase detection method, which is applied to the technical field of field programmable gate arrays. The detection method comprises: receiving an input pulse signal (S101); acquiring a main sampling point for the input pulse signal (S102...
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WO/2023/129505A1 |
A non-intrusive, in-situ power method for measuring the loss associated with magnetic components (for example, an inductor) of a power converter is provided. The method involves first capturing a first set of voltage and current waveform...
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WO/2023/121758A1 |
A system is provided for measuring far-field characteristics of an AUT. The system includes an AUT positioner for positioning the AUT on a transverse axis; a curved reflector defining a reference focal plane corresponding to a focal poin...
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WO/2023/090517A1 |
Disclosed are a system and a method therefor, the system enabling high-speed measurement of the performance of a plurality of measurement items for verification and post management of equipment under test including an antenna under test....
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WO/2023/074750A1 |
The present invention measures, with high sensitivity, the phase difference between a plurality of physical fields. A phase difference measurement device (10) comprises: an electromagnetic irradiation unit (2) that repeatedly irradiates ...
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WO/2023/046334A1 |
The invention relates to current sensor diagnostics in an electric drive system. According to the invention, a net current is formed from the sensor values provided by the current sensors. If this net current deviates significantly from ...
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WO/2023/044442A1 |
A system and method for compensating for drift in a switch gear voltage sensor. The system includes a circuit, and an electronic processor. The circuit is configured to receive a first signal from a first capacitor of the voltage sensor ...
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WO/2023/044107A1 |
Systems, devices, methods, and techniques for self-correcting current measuring are disclosed. Advanced material inductive measuring devices can obtain a reading of a monitored current in a monitored source. The advanced material allows ...
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WO/2023/030179A1 |
A phase measurement method and system for a bus voltage ripple of an air conditioner compressor. Measurement is performed after power factor correction (PFC) is started. The measurement method comprises: acquiring the current instantaneo...
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WO/2023/010206A1 |
A phase-frequency detector comprises first transistor branch generating a first intermediate signal based on an input frequency signal, another first transistor branch generating a second intermediate signal based on a reference frequenc...
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WO/2022/245004A1 |
The present invention relates to a method for diagnosing a bearing fault on the basis of a current signal, and a device for performing the method. The method for diagnosing a bearing fault on the basis of a current signal comprises the s...
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WO/2022/226287A1 |
A coherent imaging system including a transmitter and a receiver. The transmitter includes a coherent source and a power splitter for splitting the electromagnetic radiation into a reference and a signal beam. The receiver includes an im...
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WO/2022/203240A1 |
The present disclosure provides a wireless power transmitting apparatus and a method for wirelessly transmitting power by the wireless power transmitting apparatus. The wireless power transmitting apparatus of the present disclosure comp...
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WO/2022/185236A1 |
The present invention relates to a device for measuring voltage and current in power transmission lines, which comprises: a primary electrical conductor connected in series to a voltage line, wherein an electric current from the voltage ...
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WO/2022/165861A1 |
A nonlinear active disturbance rejection aircraft power-distribution-system phase angle tracker, which is used for estimating the power-distribution-system phase angle of an alternating-current side of an aircraft power distribution syst...
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WO/2022/165804A1 |
A hysteretic three-phase voltage restoration method and apparatus, and a related computing device and a computer-readable storage medium. The method comprises: acquiring a two-phase voltage in a three-phase voltage; calculating a cosine ...
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WO/2022/165822A1 |
Disclosed in the present invention is a resilient and reliable router for a wide-area phasor measurement system of a power grid, the resilient and reliable router comprising a Data data packet processing module, a RetransReq data packet ...
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WO/2022/076447A1 |
A system for testing a transformer includes a voltage source configured to apply an input voltage to a secondary winding of the transformer, the input voltage is configured to induce a voltage in a primary winding of the transformer. A p...
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WO/2022/051486A1 |
An apparatus and methods tissue restoration are provided. The apparatus may include a catheter shaft extending from a proximal end to a distal tip, a plurality of serial balloons positioned on a translucent distal segment of the catheter...
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WO/2022/037216A1 |
A detection circuit and a detection method. The detection circuit is used for detecting phase information between two clock signals having different frequencies, and the two clock signals comprise a low-frequency clock signal and a high-...
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WO/2022/006414A1 |
Systems for determining a phase of a device coupled to an electrical distribution system. The system includes a number of gateway devices configured to transmit a synchronization signal. The gateway device receives a node response messag...
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WO/2021/252873A1 |
A system to classify signals includes an input to receive incoming waveform data; a memory, and one or more processors configured to execute code to cause the one or more processors to: generate a ramp sweep signal from the incoming wave...
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WO/2021/209389A1 |
The invention relates to a method for determining a state of at least one cell (1, 2, 3) of a battery (4), wherein the battery (4) has a plurality of cells (1, 2, 3), which are connected in series with each other, the method comprising a...
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WO/2021/198679A1 |
An apparatus for determining a characteristic of a material within a region comprises a first plurality of electrodes disposed within or about the region, an energisation source arranged to apply an applied stimulation signal to at least...
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WO/2021/189873A1 |
An island detection method and apparatus (30), a grid-connected inverter (10), and a non-instantaneous computer readable storage medium. The island detection method comprises: obtaining an angle and a frequency of a voltage of an alterna...
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WO/2021/151785A1 |
The invention relates to a current transducer for measuring the current flowing through an electrical conductor (L), having a current sensor (12), which senses the current strength through the electrical conductor (L), and an evaluation ...
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WO/2021/088415A1 |
An electric vehicle wireless charging phase detection circuit for realizing frequency tracking, comprising: a sampling circuit, a sampling conditioning circuit, a multiplexer and a low-pass filter, wherein the sampling circuit is used fo...
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WO/2021/083813A1 |
The present invention relates to a method for the correction of synchronization errors Δt in the measurement of the impedance of an electrical or electrochemical component, more particularly a lithium ion cell. In general, synchronizati...
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WO/2021/078675A1 |
The invention relates to a method for a simple measurement of the phase offset ΔT between a first clock signal CLK1 and a second clock signal CLK2, each clock signal having a respective period T 0. The method involves the following step...
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WO/2021/025450A1 |
An electronic device according to one embodiment disclosed in the present document comprises: a battery; a current consumption device; and a processor connected to the battery and the current consumption device, wherein the processor: ap...
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WO/2021/023744A1 |
A manufacturing method for manufacturing at least one contact probe (10) for a probe head of a test equipment of electronic devices, comprising a step of submicrometric 3D printing of said contact probe (10) with at least one printing ma...
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WO/2020/242163A1 |
A grid voltage phase detection device of the present invention may comprise: a d-q transformation unit which receives a three-phase signal and calculates same to become a d-axis signal and a q-axis signal; a phase signal calculation unit...
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WO/2020/198142A1 |
A method of determining the topology of a portion of the electrical distribution grid such as a feeder based on voltage and current measurements. The method employs Bayesian-based topology detection, where voltage and current data is mea...
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WO/2020/183489A1 |
The invention discloses a method for measuring impedance of a system under test. The method includes multiple, high bandwidth, short duration chirp signals having dissimilar phase to estimate impedance. The method includes generating at ...
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WO/2020/152400A1 |
Disclosed is a method for detecting the phase (Φ1) of an analogue signal (SA1) via a hybrid coupler (CH1) operating in a power combiner mode, the hybrid coupler (CH1) comprising a first input (BE1) intended to receive the analogue signa...
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WO/2020/146227A1 |
A method and apparatus provide an improved way to monitor a circuit for deterioration and obtain an advance warning of the deterioration so that action can be taken before the circuit breaker may trip for the circuit. The method establis...
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WO/2020/105844A1 |
The present invention relates to an earth leakage circuit breaker and a method for controlling the earth leakage breaker, wherein the earth leakage breaker is formed between three-phase electrical lines and a single-phase load connected ...
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WO/2020/078291A1 |
A method and device for improving phase measurement accuracy, the method comprising: receiving a measurement signal (101); performing frequency domain transformation on the measurement signal to obtain a frequency domain measurement sequ...
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WO/2020/078927A1 |
The invention relates to an architecture of the signal processing device comprising a Frequency Multiplying Device, analogue-to-digital conversion unit, memory and a signal processing unit that can ensure proper synchronization with the ...
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WO/2020/043012A1 |
It discloses a signal skew measurement method for integrated circuit, a medium, and an electronic device. The method comprises: by a test machine, acquiring a first signal and a second signal output by an IC, respectively performing unde...
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WO/2020/028314A1 |
A system and method for phase and gain calibration of a current sensor system (11). The system comprises a microcontroller (22) configured to execute software in an energy measurement component (23) and a calibration computer (12) having...
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WO/2020/021592A1 |
This invention makes it possible to measure a current in synchronization with a voltage without measuring the voltage. A device having a prescribed current pattern that appears in synchronization with a current frequency is connected to ...
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WO/2020/022255A1 |
The present invention provides a measuring device capable of generating, from a measured alternating current waveform, an alternating current voltage waveform corresponding to the alternating current waveform. The measuring device includ...
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WO/2020/021600A1 |
This invention makes it possible to analyze a current waveform measured without measuring voltage. In this invention, an AC current waveform measured using an ammeter is converted to a frequency domain through a Fourier transform, the ov...
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