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Patent Searching and Data


Matches 401 - 450 out of 12,795

Document Document Title
WO/2021/139850A1
A current sensor (1) comprises a magnetic field sensor (3) and a T-shaped ferromagnetic structure (2) having an air gap (5). The current sensor (1) is intended to be arranged in a recess (40) in a busbar (4). The T-shaped ferromagnetic s...  
WO/2021/140226A1
A current measurement system comprising a multi-phase open loop current transducer for measuring phase currents (l 1 , I 2 , I 3 ) flowing in a plurality n of primary conductors of a multiphase electrical system. The transducer comprises...  
WO/2021/138569A1
In general, a monitoring system includes one or more nodes that are capacitively coupled to a cable of a multiphase electric power line. In some examples, a node includes a coupling layer disposed over a jacket layer of the cable and cap...  
WO/2021/138573A1
A partial discharge (PD) detection system includes a node including a sensor configured to capacitively couple to a shield layer of a cable of an electric power line. The sensor is configured to collect, from the cable, sensor data indic...  
WO/2021/135510A1
A composite probe for measuring space charge distribution of a polymer, and a measurement method therefor. The composite probe comprises a housing, and a signal acquisition aluminium block (1), a quartz glass block (4), a piezoelectric c...  
WO/2021/135814A1
An isolation circuit (100), an automobile diagnosis apparatus (300), and an automobile diagnosis system (500). The isolation circuit (100) comprises: a first switch circuit (10), electrically connected between an OBD connector (111) of a...  
WO/2021/136710A1
Sensor part for installation in medium-voltage cable compartments, which sensor part comprises a voltage divider based on the capacitive divider principle, which voltage divider comprises: - a first capacitor, comprising an elongate prim...  
WO/2021/130487A1
The invention enables an optical voltage sensor, comprising a piezoelectric actuator mechanically coupled to an optical strain sensor (such as a fibre Bragg grating), to withstand lightning impulses, the effects of which would otherwise ...  
WO/2021/129316A1
Disclosed is a current sensor capable of suppressing a short circuit between bus bars. The current sensor is provided with: a plurality of plate-shaped bus bars; a magnetic detection unit for detecting a magnetic field formed when a curr...  
WO/2021/130447A1
The invention relates to a device (D) for detecting a fault in an electrical network (1), comprising at least one electrical equipment (E) which is electrically connected to a first power conductor (C1) and to a second power conductor (C...  
WO/2021/130449A1
The invention relates to a member (O1) for measuring a magnitude representative of a common mode voltage (Vres) in an electrical network (1) or in an equipment (E), the network (1) or the equipment (E) comprising at least one first power...  
WO/2021/130448A1
The invention relates to a member (O1) for measuring a variable representative of a common mode voltage (Vres) in an electrical network (1) or in a device (E), the network (1) or the device (E) comprising at least a first power conductor...  
WO/2021/120710A1
Disclosed are a metering module for an electric appliance and an electric appliance. The metering module and the electric appliance are connected by means of wires. The metering module comprises a PCBA assembly and a metering assembly. T...  
WO/2021/121658A1
In a circuit breaker arrangement, this disclosure describes a method and circuit design enables a current transformer to be used to detect ground faults in circuit breakers (such as a main-tie-main circuit breakers) that have been design...  
WO/2021/126534A1
An example optical receiving device includes a photodiode to receive an optical signal, where the photodiode is configured to conduct a current that is based on an optical power of the optical signal, and a radio frequency (RF) gain circ...  
WO/2021/124035A1
Voltage sensing device (1) for sensing an elevated voltage in a power distribution network, comprising a) a sensored insulation plug (10) comprising - a voltage sensor for sensing the elevated voltage, comprising a high-voltage contact; ...  
WO/2021/124551A1
A current measurement device 50 for measuring the current of a power storage element comprises a measurement resistor unit 80 that is positioned on a current path and comprises a resistor 81, a pair of detection points Pa, Pb that are po...  
WO/2021/118112A1
A current measurement apparatus for a three-phase inverter, according to one embodiment of the present invention, comprises: a current detection element connected to a lower end of one of three lower switches constituting the inverter; a...  
WO/2021/111238A1
A current transformer (CT) for the purpose of, for example, current measurement, that uses a power line as a first coil and a second coil for measurement purposes, is further equipped with a third coil. Circuitry connected to the third c...  
WO/2021/112576A1
The present invention relates to a smart earth leakage circuit breaker which is installed on a distribution line through which an electric current flows, measures, by means of a CT, a leakage current flowing through the distribution line...  
WO/2021/112475A1
A device for measuring a current of a three-phase inverter according to an embodiment of the present invention comprises: a current detection element connected to the lower end of one of three lower switches configuring an inverter; a cu...  
WO/2021/112452A1
The voltage monitoring circuit according to one embodiment of the present invention comprises: a clamping unit for clamping the voltage of input power supplied from a power source to base voltage, and outputting to an MCU; and a switch u...  
WO/2021/112112A1
[Problem] To enable a desired electric power to be generated even if the electric current flowing through a power transmission line is small, and to prevent the generation of surplus electric power, as far as possible, when the current i...  
WO/2021/112457A1
It is the object of the invention, which relates to a current-measuring assembly, to specify a solution for a current-measuring arrangement, enabling a simple and accurate measurement of a current I in a first conductor (3) or conductor ...  
WO/2021/111951A1
The purpose of the present invention is to provide a shunt resistance module which allows easy drawing out of a voltage signal pattern, and which can provide stable connection with an electrode. A shunt resistance module (1) according to...  
WO/2021/105551A1
Disclosed is a power harnesser (100, 200) for harvesting electrical power from an electrical power supply comprising a current transformer (102) arrangable to surround an electrical power supply (108) such that the electrical power suppl...  
WO/2021/108013A1
An S -parameter of a reference impedance is determined and converted to a desired mode of operation. Example modes of operation include a single-ended input output mode, a differential input output mode, and a common input output mode. T...  
WO/2021/100084A1
The purpose of the present invention is to provide a shunt resistor having improved temperature characteristics. The shunt resistor comprises: a resistive body 10; a pair of base materials 11 integrally formed on the resistive body 10 ac...  
WO/2021/102446A1
System and methods for high accuracy, non-intrusive current sensing are provided. A system may include two magnetic field sensors configured for differential sensing. The system may further include frontend circuitry configured to remove...  
WO/2021/100965A1
The present invention relates to a stacked circuit structure and, more specifically, to a stacked circuit structure capable of detecting current. The stacked circuit structure according to one embodiment of the present invention comprise...  
WO/2021/094135A1
The invention relates to a series terminal element having at least one housing, at least one busbar arranged in the housing and at least one first contactless current sensor, which is arranged in the housing in the region of the busbar, ...  
WO/2021/095566A1
A current detection device according to the present invention can suppress the deformation of a case or cover due to increased temperature, can accurately detect a magnetic field generated by currents which are to be measured and respect...  
WO/2021/094166A1
The invention relates to a voltage sensor with a high-voltage connection (5), a signal connection, and a ground connection (7). The voltage sensor (1) comprises a core region (2) with an electric resistor (3) arranged therein and a capac...  
WO/2021/090603A1
A sensor unit (700) has: a first coupling busbar (711) to a seventh coupling busbar (717) connected to a switch module; a base part (721) that couples the busbars; a plurality of electromagnetic conversion units that detect the currents ...  
WO/2021/088193A1
Disclosed are a connection structure (100) of a mutual inductor (1) and a wiring terminal (3), a manufacturing method therefor, and an instrument (40) therewith. The connection structure comprises the mutual inductor (1), a primary curre...  
WO/2021/089077A1
The invention relates to a method for measuring electrical currents and to a method for measuring electrical voltages. The method uses a mathematical model of the measuring system in order to compensate for error effects of the real syst...  
WO/2021/089257A1
The invention relates to a monitoring arrangement (10) for the detection of feed-line faults for a control apparatus (1), having at least two current-carrying supply lines (LB1, LB2), which are redundant to each other, are arranged insid...  
WO/2021/089634A1
The invention concerns a current detector (10) suitable for measuring a current flowing in an electrical conductor (12), the current detector (10) comprising: - a probe (14) comprising: - a converter (18) capable of converting the magnet...  
WO/2021/090478A1
The present invention comprises a probe electrode (10), an impedance circuit (14) that is connected to the probe electrode (10) at an input end and simulates the complex impedance from a cable conductor (2a) to the input end, and a first...  
WO/2021/090905A1
The purpose of the present invention is to provide a shunt resistance module that makes it possible to detect current with excellent precision. This shunt resistance module (1) is characterized in comprising: a shunt resistor (2) provide...  
WO/2021/090479A1
This measurement assistance device (3) calculates a first coupling capacitance, which is produced between a cable conductor (4a) and a probe electrode (21) of a non-contact voltage observation device (2), on the basis of the voltage obta...  
WO/2021/084355A1
Assembly (1) of a busbar (20), a cable termination (40) (or an insulating element (300) or a bushing (400)) and a voltage sensor (10) in a high-voltage or medium-voltage power network. The cable termination (or the insulating element or ...  
WO/2021/083734A1
The invention relates to a measurement system for an electrical conductor, in particular HV conductor (11, 12), with shielding (18), preferably in a motor vehicle, in particular with electric drive, preferably purely electric drive, comp...  
WO/2021/085475A1
This current sensor comprises: an element that is in a high-resistance state when the absolute value of current flowing between a first end and a second end is within a first range, the element changing to a low-resistance state having a...  
WO/2021/084801A1
[Problem] To reduce a detection error caused by a change of current division ratio in a current sensor structured so that a bus bar is branched into a sensing unit and a bypass unit. [Solution] Provided is a current sensor 1 comprising: ...  
WO/2021/086921A1
A system for crosstalk cancelation for electricity metering in a power distribution network is provided. For example, a meter can be used to generate a set of measurement points by measuring electrical signals provided by a reference pow...  
WO/2021/080161A1
A battery management system according to the present invention categorizes a plurality of battery cells into at least one group on the basis of the estimated SOC of each of the plurality of battery cells from a previous cycle. The batter...  
WO/2021/078655A1
Fluxgate current transducer (2) including a fluxgate device (3) comprising a saturable soft magnetic core (4) and an excitation coil (6), and a processing circuit (5) comprising a control circuit (7) and a voltage generator (9) connected...  
WO/2021/070833A1
This magnetic sensor enables minimization of the effect of any noise from a busbar on measurement results obtained from the magnetic sensor, such noise being generated when voltage for controlling current that flows through the busbar an...  
WO/2021/070834A1
A current detection device according to the present invention, that can prevent magnetic saturation from occurring on one of a pair of shields and impairing the linearity of a detection result when a large current flows through a bus bar...  

Matches 401 - 450 out of 12,795