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Matches 1 - 50 out of 3,445

Document Document Title
WO/2021/003486A1
A ratio metric (RM) approach to providing the current sensing function of service currents to smart metering applications results in an RM current sensor assembly and RM differential current sensor assembly that can replace prior art sen...  
WO/2020/256221A1
The present invention relates to a surge arrester-resistive leakage current detection device and detection method, which can measure only the leakage current of a surge arrester without measuring a voltage so as to calculate a resistive ...  
WO/2020/252785A1
An abnormal electricity use recognition method and device, and a computer readable storage medium. The method comprises: classifying a transformer into a public transformer or a dedicated transformer, the public transformer corresponding...  
WO/2020/252237A1
A system (400) comprises a calibration current generator (280), which provides a calibration current to a first and a second Hall channel (214; 218), and a bias current generator (470), which determines a difference between a calibration...  
WO/2020/215163A4
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...  
WO/2020/232810A1
A calibration method and system for an on-chip S parameter of a vector network analyzer, and a device. The method comprises: obtaining a first parameter of a first crosstalk calibration piece measured by a vector network analyzer (S101);...  
WO/2020/234058A1
In order to improve a test adapter (10) for testing the electrical function of devices under test (30) - comprising a housing (12) and at least one test contact unit (22) arranged in the housing and for contacting at least one contact (3...  
WO/2020/231717A1
A calibration system is disclosed. The calibration system includes a waveform generator configured to generate a periodic waveform and a control circuit in signal communication with the waveform generator. The control circuit includes an...  
WO/2020/227181A1
An electronic product testing system includes: a testing instruction generator configured to provide a user interface for generating an electronic file, the electronic file containing product testing instruction; and a testing device hav...  
WO/2020/221830A1
Examples of a test switch unit (100, 300, 600, 900, 1200, 1500) for testing an IED are described. Each of the test switch units may be utilized for opening of a trip circuit, the shorting of a CT circuit and subsequently the isolation of...  
WO/2020/215748A1
A method for testing a task execution capability of an electrical energy meter, and a device. The method comprises: expanding, according to the types and times of task execution of electrical energy meters under test and in a time domain...  
WO/2020/215163A1
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...  
WO/2020/207989A1
A capacitance measurement circuit (12) for determining complex electric currents in a multi-channel capacitive sensing device (10) comprises a first sensing circuit (18) for selectively connecting one of a plurality of sense electrodes t...  
WO/2020/202832A1
[Problem] To obtain accurate impedance values while simplifying work for calibrating a plurality of current detection units included in an inspection device. [Solution] This measurement method for measuring the inter-electrode impedances...  
WO/2020/201007A1
The invention relates to a calibration method for an electrochemical impedance measuring device which is provided for measuring the impedance of an electrochemical cell, in particular a lithium ion cell, the method comprising the followi...  
WO/2020/194786A1
The present disclosure provides a permeability measurement jig 10 including: a first waveguide 20 in which a signal line 22 at one end thereof has an excitation section 22b that generates a magnetic field in response to an excitation sig...  
WO/2020/188284A1
A method of estimating an amount of charge of a battery comprises calculating a current offset error associated with a difference between a predicted amount of charge of the battery and an observed amount of charge of the battery, the es...  
WO/2020/184361A1
Provided is a detection value correction system for correcting detection values of a plurality of sensors M1 to M10 arranged in a row for detecting physical quantities. The detection value correction system comprises a correction process...  
WO/2020/178484A1
According to an example aspect of the present invention, there is provided generating, Low-Field-Magnetic Resonance Imaging, LF-MRI, or Ultra-Low-Field Magnetic Resonance Imaging, ULF-MRI, data with respect to an image frame, determining...  
WO/2020/179479A1
In a management device (BMS50) for a storage element 12, a management unit 55 diagnoses a failure in a measurement unit (a current sensor 51, a voltage sensor 52, and a temperature sensor 53). The management unit 55 executes a restrictio...  
WO/2020/176687A1
Before technical components are further processed, they are cheeked for the functionality thereof In this ease, an incorrect judgment of the functionality can occur due to measurement errors or incorrect measurements, which in turn resul...  
WO/2020/154011A1
An AC adapter for an Information Handling System (IHS) includes a first DC plug including a DC connector that is compatible with an IHS power port. The first DC plug includes a first light guide for receiving light transmitted from the I...  
WO/2020/150933A1
The present invention relates to an electrode polarization correction method for an open-ended coaxial probe and a processing terminal. The method comprises the following steps: step 1, presetting an equivalent circuit model of an open-e...  
WO/2020/145344A1
A magnetic field calibration device 1 used to calibrate a magnetism measurement device having a plurality of magnetism sensors, wherein the magnetic field calibration device 1 is provided with: a first holder 10 having a first holding su...  
WO/2020/144205A1
A device (1 ) is disclosed that comprises a plurality of resistive voltage dividers (23a, 23b) connected operationally between a supply line (L) and an electric earthing terminal (22; 32c) so as to form separate respective connection pat...  
WO/2020/134842A1
The present invention falls within the field of medical equipment quality inspection. Disclosed is a method for preparing a general-purpose MRI phantom material and a method for preparing a general-purpose MRI phantom. In the method for ...  
WO/2020/133796A1
The present invention discloses a PLC control-based full-automatic transformer verification device. After the PLC joins control, in comparison with a single chip microcomputer, the control line is stable and reliable, and strong in anti-...  
WO/2020/129135A1
A probe pin inspection mechanism according to an embodiment comprises: a base, a pair of movable bodies, elastic bodies for the movable bodies, and a conductive body. The pair of movable bodies are supported by the base so as to be capab...  
WO/2020/119348A1
An impulse voltage standard wave generating device and a method therefor. The device comprises a trigger circuit (V), a pulse forming circuit (II), a power source, a measuring instrument, a measurement and control module, and a temperatu...  
WO/2020/120315A1
The invention relates to a sensor (1) for application to an electrically conductive surface, an electrical energy store and an apparatus, wherein the sensor (1) has at least one circuit board (2), in particular a flexible circuit board, ...  
WO/2020/114140A1
An efficient detection method for non-household load identification, which combines analysis of an electrical appliance use behavior model of resident users with a test coverage arrangement algorithm to output use cases. For the use case...  
WO/2020/107944A1
Disclosed are a temperature rise prediction method and apparatus, being used for predicting a temperature rise of an electrode under a magnetic resonance imaging examination, i.e. an MRI examination. The temperature rise prediction metho...  
WO/2020/104124A1
The present invention relates to a method for detecting faults on an electrical line (6), in which a measurement signal is fed to a first location (11) on the line (6) by means of a measuring assembly (7, 8, 9, 10), and a reflected measu...  
WO/2020/103639A1
A waveform playback angle difference real-time compensation method based on two-stage adjustment. The method comprises the following steps: step 1: inputting an angle difference compensation value; step 2: grading the angle difference co...  
WO/2020/105417A1
Provided is a variable reference voltage source which does not require an external measurement apparatus for calibration. This variable reference voltage source, which generates a variable reference voltage corresponding to set data that...  
WO/2020/100575A1
Provided is a self-calibration function-equipped AD converter which does not require an external measurement unit in order to calibrate. This AD converter is equipped with: a control unit 20 which includes a calibration control unit 21 f...  
WO/2020/089591A1
There is disclosed a device for determining a strength of an oscillating electric field. The device comprises an absorber to absorb radiation at the frequency of the oscillating electric field, and a thermal insulator transparent to radi...  
WO/2020/091534A1
A current sensor diagnosis apparatus according to one embodiment of the present invention is an apparatus for diagnosing an error of a plurality of current sensors connected to a secondary battery cell. According to the present invention...  
WO/2020/084184A1
A calibration system for an audibility meter with an acoustic transducer (21,22,23), an audibility meter (1) comprising a calibration device (4) to generate a voltage reference with a specific value in the audibility meter (1) to update ...  
WO/2020/083664A1
The invention relates to a measuring device (100) for measuring a physical variable. The measuring device (100) has a converter (102), which is designed to convert an input variable present at a measurement input (101), into a measuremen...  
WO/2020/082819A1
A MEMS switch-based electronic calibration module (401), system, and method. The electronic calibration module (401) comprises two symmetrically distributed MEMS switch units. The MEMS switch units comprise at least four static contact p...  
WO/2020/078950A1
The invention relates to an electric meter (1) for measuring the electric consumption of a load (RLOAD), in particular during a charging process for an electric vehicle. The electric meter (1) according to the invention contains a curren...  
WO/2020/077443A1
The disclosed method reconstructs a topology of an electrical distribution network. An ohmic matrix model of the network is generated according to consumption measurements provided by smart meters in the network. A tree table of nodes to...  
WO/2020/068160A1
A smart current transformer for determining primary current or power consumption, by stepping down the primary current to a secondary current for subsequent measurement by a connected meter. The current transformer is provided with a con...  
WO/2020/066816A1
This electric field sensor uses an electro-optic effect to measure an electric field produced by an object of measurement. The electric field sensor comprises a light source, an electro-optic crystal that has light of a prescribed polari...  
WO/2020/052942A1
The invention relates to an assembly (1) for determining a total current in a line (4). The assembly (1) comprises a magnetic core (5), which surrounds the line (4) and comprises a field probe (6) and a compensation winding (7), and an e...  
WO/2020/043780A1
The invention relates to a battery sensor (10), which comprises at least one measuring resistor (12) having two contact points (18, 20), at least two measuring units (14a, 14b) for detecting a voltage drop across a measuring resistor (12...  
WO/2020/045915A1
The present invention relates to a system and method for correcting a current value of a shunt resistor, in which a resistance variation is calculated using a variable temperature value of a shunt resistor, and a real-time value of curre...  
WO/2020/040168A1
Provided is a magnetic field measurement device provided with: a magnetic sensor array in which a plurality of magnetic sensor cells capable of detecting a magnetic field in three axis directions are arranged in three dimensions, the mag...  
WO/2020/030360A1
The invention relates to a current-measuring transducer device (10) having a current-measuring transducer (12) for measuring an electric current along a conduction path (14), the current-measuring transducer (12) having a magnetic-field-...  

Matches 1 - 50 out of 3,445