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WO/2021/039264A1 |
In the present invention, a magnetic sensor chip (140) comprises at least one magnetic sensor having a magnetoresistance element and a plurality of connection terminals (142-145) connected electrically to the at least one magnetic sensor...
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WO/2021/032661A1 |
A current transducer (1) including a Rogowski cable (2) extending between a free end (14b) and a signal output connection end (14a), a signal output cable (4) connected to the signal output connection end (14a) of the Rogowski cable (2),...
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WO/2021/029040A1 |
The present invention comprises: a resonant voltage measurement unit 10 that inputs a prescribed frequency signal to a circuit including a fixed capacitance formed between a ground and a lower electrode, a variable capacitance formed eit...
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WO/2021/023874A1 |
The present invention relates to a current sensor (10, 20, 30, 40, 50, 60, 70) for magnetic field-based determination of an alternating current I by a conductor (38, 56) based on a sensor element (12, 108) which is sensitive to magnetic ...
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WO/2021/023471A1 |
The invention relates to a measuring apparatus (7) for measuring electrical voltage for a metal-encapsulated switchgear (1). The measuring apparatus (7) comprises an electrical line (19), an electrically conductive measuring electrode (2...
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WO/2021/019839A1 |
This device comprises: a light emitting unit for emitting first linearly polarized wave light; a first optical element for emitting first and second linearly polarized light in response to the first linearly polarized wave light and emit...
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WO/2021/021889A1 |
An exemplary embodiment provides a current sensor comprising a printed circuit board (PCB), a Rogowski coil, and a controller. The PCB can comprise an aperture configured to receive a conductor carrying an alternating electrical current....
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WO/2021/014872A1 |
A current measuring device 50 comprises: a resistance circuit 51 having a plurality of resistance elements R1 and R2 connected in series; and a current detection circuit 70 for detecting voltage of the resistance circuit 51, wherein the ...
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WO/2021/013249A1 |
A partial discharge detection sensor and a manufacturing method therefor. The partial discharge detection sensor comprises a first half-ring magnetic core member (1), and a second half-ring magnetic core member (2) disposed corresponding...
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WO/2021/015388A1 |
Disclosed are an overcurrent protection device and a power conversion device using same. A power conversion device according to an embodiment of the present invention comprises: a control unit for providing a collector-emitter voltage to...
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WO/2021/008904A1 |
Electric current transducer comprising a current transducer unit (3) having a housing (4), a magnetic field detector (5) mounted within the housing, and a central passage (9) extending through the housing and magnetic field detector for ...
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WO/2021/005447A1 |
Magnetic current sensor (1), comprising: a sensor bridge circuit (10) including a first and second half-bridges, each comprising two series-connected and diagonally opposed tunnel magnetoresistive (TMR) sensor elements (21, 22, 23, 24), ...
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WO/2021/004184A1 |
In the power monitoring device of the present invention, there is a plurality of tube bodies on the inner surface of a first housing, there is a lead seal snap on the outside of the top of the first housing; on the top of the inner side ...
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WO/2021/000998A1 |
The invention relates to a device for non-contact voltage measurement on a sample (1) for transient, time-variable and constant voltages, wherein the device comprises at least the following components: a conductive measuring probe (2), a...
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WO/2020/261743A1 |
The objective of the present invention is to provide a measuring instrument capable of implementing various types of data communication processes that employ radio communication, and with which manufacturing costs are sufficiently low.ã€...
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WO/2020/262064A1 |
[Problem] To provide an electric current sensor having a structure whereby a magnetic sensor is not readily saturated. [Solution] This electric current sensor 1 comprises a busbar 10 and a magnetic sensor 20 for detecting a magnetic fiel...
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WO/2020/262754A1 |
The present invention relates to a bidirectional-direct current power cutoff control device of arc accident leakage current detection type, comprising: a bidirectional switch unit provided between a direct current power source and a load...
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WO/2020/261639A1 |
This electrical current measurement system is configured to measure alternating current that flows through a conductor and that has a frequency within a measurement range. The electrical current measurement system comprises: a current se...
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WO/2020/262065A1 |
[Problem] To provide a current sensor having a structure in which a magnetic sensor is less likely to be saturated. [Solution] This current sensor 1 comprises: a bus bar 10 through which a current I to be measured flows; and a magnetic s...
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WO/2020/256008A1 |
This current measurement device (1, 2) comprises: a first sensor (SE1) for detecting a DC magnetic field and low-frequency AC magnetic field generated by current (I) flowing through a conductor (MC) under measurement, a second sensor (SE...
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WO/2020/254017A1 |
The present invention discloses a measuring device (100, 200, 300) for measuring an electric current (150), comprising: - a planar carrier structure (101, 201) having at least two planes (102, 103); - a number of conducting structures (1...
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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 ...
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WO/2020/257136A1 |
Systems, methods, and an apparatus for current monitoring are disclosed. A current monitor comprises a high-voltage side configured to obtain a signal indicative of current through a conductor and apply different levels of gain to differ...
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WO/2020/251273A1 |
The present invention relates to a monitoring device and a solar system comprising same. A monitoring device and a solar system comprising same according to an embodiment of the present invention may comprise: a processor which receives ...
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WO/2020/244831A1 |
The invention discloses a method and an apparatus for precise power and energy consumption measurements of communication modems during operation. The objective of the invention to provide a method and an apparatus which supports a suffic...
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WO/2020/242208A1 |
A technology for a current sensor is disclosed. The current sensor comprises: a magnetic core having an opening through which a conductor can pass, wherein a current to be measured flows through the conductor; a magnetic core gap provide...
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WO/2020/241367A1 |
Bent parts 30u, 30v are formed in magnetic shielding parts 3u, 3v such that as end part 6u vicinities forming an opening part 5u become closer to the end parts 6u, the opening surface area of the opening part 5u becomes larger. With resp...
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WO/2020/241517A1 |
This voltage divider device (3), which divides a voltage output from a voltage power supply, is provided with a plurality of resistor voltage dividing substrates (2A-2D) to which a plurality of conductor patterns disposed on the surfaces...
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WO/2020/237486A1 |
A temperature measurement method, comprising: measuring, on the basis of the current resistor currently connected in series with a thermistor in a crystal oscillator, the current voltage corresponding to the thermistor, wherein the curre...
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WO/2020/241834A1 |
The present invention provides a power measurement device with high measurement precision that measures power supplied through a conduction path in a state of non-contact with the conduction path. A power measurement device (1) is provid...
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WO/2020/230753A1 |
A current measurement device that comprises: at least four triaxial magnetism sensors that are arranged to have prescribed positional relationships and such that the magnetism-sensing directions thereof are parallel to each other; and a ...
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WO/2020/229326A1 |
The invention relates to a measuring assembly (10) for detecting an electric direct current flowing in an electric line (5), said measuring assembly (10) comprising: - the electric line (5), - a current measuring unit (2) which has at le...
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WO/2020/227363A1 |
A Hall-effect sensor package (200) includes and an IC die (180) including a Hall-Effect element and a leadframe including leads on a first side providing a first field generating current (FGC) path including >1 first FGC input pin (120a)...
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WO/2020/225337A1 |
The invention relates to a device for detecting electrical currents on or in the vicinity of electrical conductors that are part of a lightning current arrester, an interception rod or the like, the device comprising a plurality of reed ...
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WO/2020/225133A1 |
The invention relates to a method for manufacturing a short-circuit protection device (2), comprising: - producing a plurality of first electrically conductive segments (22) on a first face (10) of a first substrate (6); - producing a pl...
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WO/2020/226963A1 |
A voltage/current probe includes: a circuit board; a first inductor that is located on the circuit board, that is wound in a first direction, and that includes: a first end connected to a first output conductor; and a second end; a secon...
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WO/2020/217837A1 |
This current sensor detects current flowing through an electrical conductor. The current sensor comprises a core having a hollow part configured so as to allow an electrical conductor to pass therethrough and a coil wrapped around the co...
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WO/2020/217838A1 |
Provided is an electric current sensor that detects electric current flowing through an electrical conductor, the electric current sensor comprising a core having a hollow portion through which the electrical conductor penetrates, and a ...
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WO/2020/218077A1 |
This current detection device is for detecting a current flowing through a power supply path of a power supply control device. The power supply path comprises a first conductor and second conductor. Additionally, provided are a first shu...
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WO/2020/213082A1 |
Provided is a power conversion device capable of facilitating assembly work. The power conversion device comprises: a pair of magnet portions which are in parallel with the energizing direction of a busbar and face each other so as to sa...
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WO/2020/212021A1 |
The invention relates to a method (26) for detecting a current, caused by a fault, in a main current path (4) which has a first coil (10) which is inductively coupled with a second coil (12). An electric voltage is applied at the second ...
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WO/2020/213274A1 |
A mounting structure 100 for mounting, upon wiring, a shunt resistor 10 provided with a flat resistive element 11, a first electrode block 12 that is layered on a lower surface 11a of the resistive element 11, and a second electrode bloc...
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WO/2020/213273A1 |
A shunt resistor 10, 110 is provided with: a flat resistive element 11; a first electrode block 12 that is formed from a conductive metal material and layered on a lower surface 11a of the resistive element 11; and a second electrode blo...
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WO/2020/212216A1 |
A residual current device (for low-voltage applications characterized in that it comprises: - a current sensor operatively couplable with at least a line conductor of an electric line, said current sensor including a saturable magnetic c...
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WO/2020/212314A1 |
A fibre-optic interferometer is designed to receive and propagate a first single-mode wave along a first optical path and, respectively, a second single-mode wave along a second optical path, the second optical path being the reverse of ...
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WO/2020/206475A1 |
The invention relates to a testing device (10) for electrically testing a test piece (100), comprising a first electrical test string (20) having a first rectifier (22) and a first converter (24), and at least one second electrical test ...
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WO/2020/209577A1 |
The present invention relates to an inverter system capable of detecting an output ground fault and an output ground fault detection method using same and, particularly, to an inverter for detecting an output ground fault by detecting th...
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WO/2020/200795A1 |
Current transducer including a housing (2) comprising a coil support (4), a magnetic core (5) extending between a first end (20a) and a second end (20b), and a coil (6) comprising a plurality of windings formed around the coil support (4...
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WO/2020/200644A1 |
The invention relates to an amplifier device for sensing currents, comprising a first current path for measuring small currents of less than 100 pA, an input amplifier device (50), which is contained in the first current path and has at ...
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WO/2020/201316A1 |
A partially insulating layer for use in an HTS magnet coil. The partially insulating layer comprises an insulating body 401 having within it a set of linking tracks and a set of pickup tracks. Each linking track is electrically conductiv...
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