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WO/2012/039514A1 |
A current detecting device includes a busbar, a magneto-electric converting element that outputs a signal in response to a magnetic field generated from the busbar, a housing that accommodates the busbar and the magneto-electric converti...
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WO/2012/037767A1 |
A digital closed loop optical fiber current sensor is provided. The sensor includes a sensor light path system and a signal processing system. The modulation signal of a light wave phase modulator in the sensor light path system is an am...
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WO/2012/035905A1 |
The purpose of the invention is to provide an electric current sensor in which a reduction in current measurement accuracy can be adequately suppressed. This electric current sensor (10) is characterized in comprising: an electric wire (...
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WO/2012/035906A1 |
The purpose of the present invention is to provide a current sensor which can reduce the influence of magnetic disturbances and suppress a drop in current measuring accuracy, when using a magnetic sensor element, such as a GMR element, w...
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WO/2012/029438A1 |
A current sensor, which can be reduced in size and made thinner, and which can reduce noise from magnetic disturbances and can measure the current to be measured of large currents, is provided. This current sensor (1) is equipped with: a...
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WO/2012/029439A1 |
Provided is a current sensor, which can measure a current to be measured in a broad range, and which can reduce noise due to external magnetic disturbance. This current sensor (1) is provided with: first and second magnetic sensors (14a,...
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WO/2012/029437A1 |
The purpose of the present invention is to provide a current sensor, which can perform suitable correction, and can suppress deterioration of measurement accuracy. This current sensor is characterized by being provided with: a first magn...
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WO/2012/029524A1 |
Provided is an optical current transformer for electrical equipment, which makes it possible to reduce the effect of magnetic fields by means of a simple construction and to thereby improve the accuracy of measuring current flowing in a ...
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WO/2012/026509A1 |
The purpose of the present invention is to provide a technique capable of realizing downsizing of a junction block. To attain the purpose, a current sensor is provided with: an irregularly shaped bus bar (30) which electrically connects ...
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WO/2012/025859A1 |
Toroidal fluxgate current transducer comprising a ring shaped fluxgate sensing unit (6) comprising a ring-shaped support (40), a saturable magnetic core (38) mounted on the support (40), an excitation coil (44) wound around the support a...
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WO/2012/026256A1 |
In a current detection device (1) for detecting the current flowing to a bus bar, the purpose of the present invention is to enable the miniaturisation of the device using a relatively small magnetic core (10), and to enable the preventi...
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WO/2012/026141A1 |
The purpose of the present invention is to provide a current detector for detecting a current that flows in a busbar, in which both the prevention of electronic component failure due to the application of a high voltage from the busbar a...
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WO/2012/026255A1 |
A magnetic-balance current sensor that allows miniaturization, is easier to install, and exhibits decreased hysteresis and increased measurement precision. This magnetic-balance current sensor is provided with: a magnetism-detection brid...
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WO/2012/026510A1 |
The present invention aims to be able to prevent excess heat release of a busbar and to be able to cause a current detection device that detects current flowing through the busbar to be more compact by adopting a small magnetic core. The...
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WO/2012/024147A1 |
A method and system for displaying waveforms generated from input signals received at a common input channel (CIC) of a data acquisition (DAQ) device (104). An input signal received at the CIC can be displayed as a present- time waveform...
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WO/2012/022779A1 |
The present invention relates to a Rogowski coil assembly (1) for measurement of high frequency electrical currents comprising coil segments (3) disposed in series with retrospective impedance influence reduction coupling.
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WO/2012/022377A1 |
The invention relates to a measurement input circuit (20, 30) of a measuring or protective device, comprising a current transformer (21), to which a primary current to be measured can be supplied on the input side, wherein said primary c...
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WO/2012/022649A1 |
The invention relates to a circuit for actuating a light source, comprising a voltage divider (104, 105), an analog-to-digital converter (101), which on the output side is connected to the voltage divider (104, 105), wherein a divider ra...
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WO/2012/021477A1 |
An apparatus is provided for securing to and collecting power from an electrical conductor including a wire clamp that clamps to and secures the apparatus to the electrical conductor, a current transformer ("CT") that clamps to the elect...
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WO/2012/021479A1 |
An apparatus is provided for securing to and collecting power from an electrical conductor, including a current transformer comprising a core and an electrical winding that receives an induced current from magnetic flux generated accordi...
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WO/2012/021478A1 |
An apparatus is provided for securing to and collecting power from an electrical conductor including a wire clamp that clamps and secures to an electrical conductor, a current transformer ("CT") that clamps to the electrical conductor an...
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WO/2012/013906A1 |
The invention relates to an integrated sensor, including terminals (1, 2) for connection to an electric generator, said terminals being connected to a metal measuring line (4, 5) in which a current proportional to the voltage or current ...
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WO/2012/015890A1 |
The present invention describes systems and methods for determining current flow through a current-carrying utility asset. An exemplary embodiment can include measuring a first magnetic induction value at a first location near a targeted...
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WO/2012/011306A1 |
The purpose of the present invention is to provide a current sensor, which can perform highly accurate measurement over a wide measurement range, and which can save space. The current sensor is provided with: a magnetic detecting element...
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WO/2012/007195A1 |
The present invention provides an apparatus for current measurement, comprising a magnetic ring (12), a coil (10), a sampling resistor (14), a driving voltage source (18), a comparator (16), and a differentiator, and further comprising a...
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WO/2012/007247A1 |
The invention relates to an arrangement consisting of printed circuit board modules with integrated coils for measuring a high-frequency current through a conductor. Such a printed circuit board module has a first circuit board unit and ...
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WO/2012/005042A1 |
Disclosed is a current sensor, whereby both the highly accurate measurement over a wide measurement range and power saving can be achieved, and furthermore, a space can be saved. The current sensor is provided with: a magnetic balance se...
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WO/2011/159292A1 |
A current transformer comprises a magnetic core having a closed central opening, at least two conductors extending through the central opening and positioned symmetrically within thε magnetic core, and at least one set of winding turns ...
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WO/2011/158633A1 |
Disclosed is a current sensor with good electrical characteristics, reduced size and weight, and which comprises: a first magnetic body and a pair of second magnetic bodies positioned annularly so as to encircle a conductor through which...
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WO/2011/154157A1 |
The invention relates to a wireless device for measuring alternating and/or direct current, broadly applicable in industrial processes and in electric power distribution networks. The wireless device for measuring alternating and/or dire...
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WO/2011/155261A1 |
Provided is a magnetic balance current sensor that minimizes the impact of the magnetic hysterisis of a magnetic shield, and improves the linearity of the output of a magnetoresistive element. The magnetic balance current sensor is provi...
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WO/2011/154408A1 |
A voltage sensor comprises an insulator (1) with mutually insulated electrodes (Eij, Es) embedded therein. The electrodes are coaxial and cylindrical and overlap axially along part of their lengths. They are mutually staggered and contro...
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WO/2011/154029A1 |
A voltage sensor comprises an insulator (1) with mutually insulated electrodes (Eij, ES) embedded therein. The electrodes are coaxial and cylindrical and overlap axially along part of their lengths. They are mutually staggered and contro...
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WO/2011/154174A1 |
A voltage sensor comprises an insulator (1) with mutually insulated electrodes (Eij, Es) embedded therein. The electrodes are coaxial and cylindrical and overlap axially along part of their lengths. They are mutually staggered and contro...
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WO/2011/152535A1 |
The electrical charge state and discharge state of a monitoring subject are reliably and accurately monitored. An electrical charge/discharge state monitoring system is provided with: current sensors (10) attached to cylindrical bus bars...
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WO/2011/152921A2 |
An apparatus for sensing power amplifier current includes a system voltage source that is used to develop a reference voltage, a wire bond structure connected between the system voltage source and a power amplifier, where a sense voltage...
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WO/2011/148634A1 |
Disclosed is an optical fibre birefringence compensation mirror which as well as being easy to align and assemble, compensates for the birefringence generated by a sensor optical fibre, particularly in current sensors, increases the vibr...
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WO/2011/146195A1 |
An instrument transformer (10) for measuring properties of electricity in a power line (38) is provided. The instrument transformer includes a cover section (18) releasably secured to a base section (20). The cover section includes a fir...
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WO/2011/143600A2 |
The present invention may provide a surge current sensor and a surge protection system that deploys one or more surge current sensors. The surge current sensor may be placed on or near to a conduit, and it may be used for sensing the sur...
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WO/2011/142483A1 |
Disclosed is an optical current transformer that is for a gas-insulated apparatus, and wherein the task of disposing optical fibers is performed with a simple structure without emitting insulating gas from within a sealed vessel, and the...
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WO/2011/138738A1 |
Apparatus for measuring the local electrical resistance of a surface, comprising: a DC voltage source for applying a polarization voltage (Vp0i) to a sample (E) to be characterized; a measurement circuit (CM), that can be connected to a ...
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WO/2011/136057A1 |
Disclosed is a current sensor, which has a simple structure with a small size, and furthermore, highly accurately measures, with a small power consumption, a small current to be measured. The current sensor is provided with a pair of mag...
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WO/2011/136328A1 |
Disclosed is an electrical current detection device which enables smaller configuration and provides high precision fault detection in a Hall effect sensor without being affected by external magnetic fields. The electrical current detect...
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WO/2011/130905A1 |
A pulse current sensor and a lightning protection cabinet with surge wave recording composed of the sensor are provided. The pulse current sensor(17) includes a pair of semi-circular magnetic cores(22) which are installed oppositely, air...
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WO/2011/133579A1 |
A device(10) for sensing a phenomenon using a dynamic measurement range includes: a sensing element(12) configured to measure the phenomenon using a first measurement range and to provide an analog indication of a value of the phenomenon...
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WO/2011/133666A1 |
A system and a method are disclosed for determining the electrical values of assets in a facility. The system receives a power tree configuration for a facility. The system generates a mathematical model of the power tree configuration. ...
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WO/2011/128333A1 |
A method and an arrangement for voltage measurement with a transformer configuration comprising three single pole voltage transformers (11, 12, 13) having tertiary windings open-delta connected with each other, the arrangement comprising...
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WO/2011/125564A1 |
Disclosed is an optical fiber current sensor which comprises: a sensor fiber; a polarization separating element which separates light emitted from the sensor fiber into two polarized components in which planes of polarization are perpend...
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WO/2011/125431A1 |
Disclosed is a magnetic core (1) to be used in a current sensor, which is provided with a first open end plane (3a), which has a first element holding hole (5a) for holding a magnetoelectric conversion element (20) formed therein; and a ...
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WO/2011/117299A1 |
The invention relates to a measuring arrangement for connection to an energy and power measuring device and for connection to a Rogowski coil for detecting alternating currents of a conductor which is to be measured. The measuring arrang...
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