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WO/2018/074744A1 |
The present invention relates to a device and a method for diagnosing a switch using voltage distribution, which, in order to diagnose a state of a switch located on a cathode power supply line that connects a battery and a load, connect...
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WO/2018/073627A1 |
The disclosure relates to a device for measuring electrical current in an electrical conductor (2), the device comprising: a measuring circuit configured to be connected to the electrical conductor, the measuring circuit comprising: a re...
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WO/2018/075816A1 |
Improved devices, apparatuses, systems, and methods involving the use of field probes with voltage-controlled variable impedance elements and surface-launched acoustic wave devices, including surface acoustic wave (SAW) devices and SAW s...
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WO/2018/072407A1 |
A current detection circuit, comprising: a current sensor (20), used for sampling current flowing through the current sensor (20);a current modulation circuit (30), of which an input end is connected to an output end of the current senso...
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WO/2018/070777A1 |
Disclosed are an apparatus and a method for diagnosing a failure of an electromagnetic-inductive power supply apparatus, whereby a failure or not of a power-generation current transformer is diagnosed by comparing values (i.e., of a curr...
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WO/2018/070779A1 |
Disclosed is an electromagnetic-inductive power supply apparatus which has a plurality of coils having different numbers of windings from each other wound around a current transformer core, and which, on the basis of a voltage induced at...
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WO/2018/070684A2 |
Disclosed is a diagnostic device for a power supply system. The power supply system comprises a battery assembly and at least one contactor. Each of the contactors is configured to selectively open and close a power supply path between t...
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WO/2018/068136A1 |
A switch-mode power supply controller controls a circuit that includes a flyback- based, switch-mode power supply in the context of an input voltage source, a USB Type-C PD controller and an output load. The switch-mode power supply cont...
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WO/2018/066839A1 |
The present invention relates to a fuse diagnosis device and method using voltage distribution, and to a fuse diagnosis device and method using voltage distribution which can diagnose the state of a fuse by connecting a diagnostic resist...
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WO/2018/064935A1 |
An electric power consumption overload alarm apparatus, comprising: an apparatus body (10) connected to a power supply terminal, at least one jack (101) being arranged on the apparatus body (10), and the jack (101) being used for connect...
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WO/2018/062292A1 |
[Problem] To provide a device for determining an energization state, the device being usable without distinction as to direct current or alternating current. [Solution] An alternating-current electric current sensor 10 detects the rise a...
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WO/2018/062757A1 |
A local coil apparatus comprises: at least one radio frequency (RF) receiving coil; and a signal transceiver unit configured to be connected to a scanner for transmitting or receiving a RF signal and a control unit for controlling the lo...
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WO/2018/059686A1 |
The present disclosure generally relates to an electronic control unit (ECU) for a vehicle, specifically adapted for controlling a transition between and active and an inactive state in case a thereto-connected electrically controllable ...
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WO/2018/060130A1 |
A method for estimating an equivalent impedance (Zeq) of a power grid (18) comprises: measuring a plurality of measurement values of a generator voltage (Vgen) and a generator current (Igen) of at least one generator (12) connected to th...
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WO/2018/063996A1 |
A power metering device includes a tap unit including a clamp for engaging a coaxial cable and a probe for electrically coupling to a center conductor of the coaxial cable without damaging the center conductor. A power consumption meter ...
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WO/2018/059658A1 |
The invention relates to a circuit for determining a fault current, said circuit comprising a first resistor (Rshunt+), a second resistor (Rshunt-), and a first device (Diff1) for determining a first value for a variable characterising a...
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WO/2018/056509A1 |
The present invention relates to an apparatus and a method for fault analysis of an electric power system. To this end, the apparatus for fault analysis of an electric power system of the present invention: obtains transmission line data...
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WO/2018/058010A1 |
A high side current sensing amplifier architecture is simplified and improved over prior art current sensing amplifier circuits by using chopping only, without requiring auto-zeroing, and by using a simpler (and faster) switched capacito...
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WO/2018/050505A1 |
The invention relates to a method for operating a battery cell (2), in particular in a vehicle, wherein a temperature (T) of the battery cell (2) is measured by a temperature sensor (66), and a measurement current (IM) is measured by a c...
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WO/2018/053386A1 |
A voltage display module for a voltage indication device has a well body, communication cable, cap, and battery shuttle. The well body is secured to the door of the electrical enclosure. The communication plug of the communication cable ...
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WO/2018/050741A1 |
In the field of Rogowski coils for the measurement of current within a conductor there is provided an electrical interface (30) for connection to a Rogowski coil (10) arranged around a primary conductor (16). The electrical interface (30...
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WO/2018/048128A1 |
Disclosed are an apparatus and a method for detecting a failure of a battery pack using an independent grounding unit. A battery management system through distributed operation according to the present invention comprises: a first batter...
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WO/2018/046830A1 |
The invention pertains to an amplification device (2) including: -a switch (18) including an output (18S) that is suitable for being connected to a first or a second input (18E1, 18E2); -a first branch (20) that is connected to the first...
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WO/2018/047725A1 |
A detection circuit 20 is provided with: a first detection unit 21 having a first input unit 21AA to which the voltage of a power storage element 12 is inputted; and a second detection unit 22 to which the voltage across both terminals o...
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WO/2018/048233A1 |
Disclosed is a photovoltaic module. The photovoltaic module includes a solar cell module including a plurality of solar cells, and an inverter unit to receive a direct current (DC) voltage from the solar cell module and convert the DC vo...
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WO/2018/048780A1 |
Zero sequence current sensors for single-phase and multiphase power systems are disclosed. In one implementation, a zero sequence current sensor is positioned between conductors associated with a single-phase power system or a multiphase...
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WO/2018/048013A1 |
Provided is a photovoltaic device comprising: a light concentration unit for concentrating incident solar energy; a solar cell module converting the concentrated solar energy into electrical energy and outputting direct current (DC) powe...
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WO/2018/044096A1 |
A cooking apparatus includes a coil configured to generate a magnetic field, a driver including a first switch and a second switch and configured to change a direction of the current, a current detector configured to detect the current o...
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WO/2018/044483A1 |
Techniques for monitoring the health of a device comprising a motor or generator are described. An apparatus to monitor the health of the device includes a plurality of sensors to detect root-mean-square (RMS) current values for a plural...
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WO/2018/037769A1 |
This semiconductor device comprises a main switching element (Mtr) and a sense switching element (Str) which is current mirror-connected to the main switching element and through which a sense current flows. The main switching element ha...
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WO/2018/038529A1 |
The present invention relates to a test cell for measuring electrode properties, in which an electrode assembly comprising a first reference electrode, a second reference electrode, and a first electrode subject to property measurement i...
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WO/2018/035931A1 |
A voltage detection device for a battery terminal, comprising: an excitation current source module (10), a transformer (T), a diode (D1), a capacitor (C1), a first resistor (R1) and a second resistor (R2); the excitation current source m...
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WO/2018/038780A1 |
An example test system includes: multiple channels, where each of the multiple channels is configured to force voltage and to source current; and circuitry to combine current sourced by the multiple channels to produce a combined current...
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WO/2018/035854A1 |
An alternating current in-phase potential live display for a transmission and distribution line, comprising: a Faraday cage, and a question mark-shaped metal hook hanging on a high-voltage electrical device. A rain cover made of an insul...
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WO/2018/034991A1 |
A system (100) is disclosed. The system (100) includes an antenna (150) and a processor (105). The processor (105) has at least four ports: a first input port coupled to a first portion of the continuity component; a first output port co...
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WO/2018/032754A1 |
An adjustable circuit device, comprising: a first adjustment circuit (5), a second adjustment circuit (6), a signal conditioner (2), an analog-to-digital converter (3) and a processor (4). The processor (4) receives an output signal conv...
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WO/2018/032652A1 |
Provided are a household appliance, and an arc fault detection device and method therefor. The arc fault detection device comprises: a power grid current detection unit (20) for detecting a current from a power grid to a household applia...
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WO/2018/032514A1 |
A system and method for computing an electric power. The method comprises one or more of the following steps: acquiring one or more electric current values; setting a first voltage value; generating, according to the first voltage value,...
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WO/2018/035240A1 |
In described examples, an apparatus (100) includes a source of radio-frequency energy (106) and a first transformer coil (111) coupled to the source of RF energy (106). A second transformer coil (113) is electromagnetically coupled to th...
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WO/2018/035035A1 |
Systems, devices, and methods for a wide dynamic range current measurement with consumption event analysis are disclosed. According to an aspect, a method includes analyzing a plurality of a set of input data characteristics from a devic...
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WO/2018/032894A1 |
Provided are an inrush current identification method and an identification device, equipment, and a storage medium. The method comprises: determining a time interval reference (S111); calculating an amplitude ratio between a direct curre...
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WO/2018/029971A1 |
Provided is a device inspection circuit capable of measuring the current flowing through multiple devices without raising cost. A power supply circuit 27 of a box-side inspection circuit 21 is provided with an operational amplifier 29 an...
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WO/2018/030749A1 |
The present invention relates to a circuit failure detector comprising: an input terminal for receiving a detection signal having a first frequency from an interlock circuit; a correction circuit for correcting the voltage of the receive...
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WO/2018/024008A1 |
A power supply module test jig, which belongs to the field of power supply testing. The power supply module test jig comprises a power supply input module, an ammeter, a switch K1, an oscilloscope, a plurality of voltmeters, and loads co...
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WO/2018/024631A1 |
An isolation amplifier comprises – an input circuit (1) at high voltage potential having an input (6) for a measurement signal to be transmitted, an input circuit configuration (7) for providing a coupling section signal representing t...
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WO/2018/021661A1 |
The present invention relates to a current measuring apparatus using a shunt resistor and, more particularly, to a current measuring apparatus using a shunt resistor, which can reduce the volume and price of a battery module and a batter...
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WO/2018/020907A1 |
In order to ascertain the flow of current over the whole railroad system and provide proper instructions to a supervisor who manages operations and electric power on the basis of the flow, this feeder measurement system is provided with ...
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WO/2018/021410A1 |
The present invention is capable of detecting the presence of voltage of a detection object without the need of grounding, and suppressing detection accuracy due to electromagnetic waves and electrification of a detector. This voltage de...
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WO/2018/021691A1 |
The present invention relates to a current detection device having a multi-layered PCB core structure and, more particularly, relates to a current detection device having a multi-layered PCB core structure, which can replace a coil of a ...
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WO/2018/022552A1 |
Systems and methods for synchronized phasor measurement in a power distribution network are described. In an aspect, the systems and methods quantify the phase angle between voltages or currents at any two points in the distribution netw...
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