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Matches 451 - 500 out of 2,772

Document Document Title
WO/2014/089803A1
Embodiments of the present invention provide a radio frequency connector, a radio frequency board and a calibration component. The radio frequency connector comprises an inner conductor, a dielectric layer and an outer conductor. The die...  
WO/2014/075080A1
Systems and methods for calibrating multiple electronic devices are described herein. Such methods may include obtaining, by a processor, data from a plurality of reference electronic devices, analyzing, by a processor, the data and cali...  
WO/2014/071753A1
Provided are an electronic transformer calibrator calibration device and method based on a digital source. As a calibration measurement system, a digital source and standard synchronous pulse source combined method is adopted, standard I...  
WO/2014/063570A1
A method for on-line diagnosing gradually-changing fault of electronic current transformers comprises the following steps: collecting output signals of electronic transformers of a whole transformer substation, calculating theoretical in...  
WO/2014/064453A2
A method of calibrating a high frequency signal measurement system is described. The measurement system is in the form of a network analyser (6) and has first and second phase-locked signal sources (SS1 & SS2) and at least two measuremen...  
WO/2014/063564A1
Disclosed is an electronic transformer calibrating apparatus based on an IEEE1588 synchronous mode, which relates to the calibration and detection of electric power equipment.The apparatus consists of an IEEE1588 Ethernet switch (1), an ...  
WO/2014/057255A1
A pre-characterised high frequency signal (14) is provided by means of a non- linear circuit, for example an amplifier circuit (10), fed with a first signal (12) with a component at a first, fundamental, frequency (FO). The amplifier cir...  
WO/2014/055285A1
A method for diagnosing an estimated battery state of charge is provided. The method includes estimating a first state of charge of a battery at a first time with a state-of-charge sensor, estimating a second state of charge of the batte...  
WO/2014/048538A1
An electronic electricity meter (102) for monitoring electrical power consumption due to a plurality of loads, comprising electric power sensor (506A, 506, 502, 504, 508) configured to register, optionally in a substantially real-time fa...  
WO/2014/044408A1
The invention relates to a voltage and or current sensor device (Fig.1) for the use in medium- or high-voltage application and a method for operation of the same. The sensor device can have at least one voltage and/or current sensor (1),...  
WO/2014/043406A1
Various techniques are disclosed for an illuminator and related methods to be used with a wafer prober to provide illumination (e.g., visible and/or non-visible electromagnetic radiation) to perform testing, calibration, and/or inspectio...  
WO/2014/040523A2
A composite intelligent terminal wiring device and a plug device. The wiring device is a box-shaped structure, comprising: top wiring terminals, bottom wiring terminals, and composite sockets arranged at a side. The top wiring terminals,...  
WO/2014/037465A1
The invention relates to a method for checking the plausibility of a measurement result for an electric current (20) by means of a current sensor (2) connected to an electrical circuit (22), said method comprising: making a predetermined...  
WO/2014/027318A1
The present invention provides a device and method for meter testing. The device comprising an optical sensor (5) connected with a meter to be tested; a pulse counter (1) connected with said optical sensor (5); a controller means having ...  
WO/2014/028785A1
Embodiments related to calibrating a game controller including a magnetometer during game play are disclosed. One embodiment provides a method comprising sampling magnetic information received from the magnetometer, and outputting, to a ...  
WO/2014/028789A1
Embodiments related to calibrating a game controller including a magnetometer during game play are disclosed. One embodiment provides a method comprising sampling magnetic information received from the magnetometer, and outputting, to a ...  
WO/2014/014544A1
An energy monitoring system (300) for a power conductor (340) includes a base unit (310); a sensor cable (320); and a current sensor (330) electrically connected to the base unit by the sensor cable. The base unit includes a first indica...  
WO/2014/012304A1
An electrical energy meter verification robot comprises a base plate (A), an electrical energy meter transfer case pick-up and replacement mechanism (B) arranged on the base plate (A) for picking up and replacing electrical energy meter ...  
WO/2014/014546A1
An energy monitoring system (400) for a power conductor (440) includes a base unit (410), a sensor cable (420), and a current sensor (430). The base unit includes a first indicator circuit (413) and a first resistance (425) electrically ...  
WO/2014/008707A1
A ratio error self calibration system for a miniature current transformer comprises a 10-segment single disc miniature sensing diverter, a 5A/0.5A miniature current comparator, three multi-ratio miniature current comparators, a power sup...  
WO/2013/185959A1
The invention relates to a reference measuring system for calibrating a power measuring system for power transformers. The general inventive concept is to integrate the two reference measuring systems known from prior art for calibrating...  
WO/2013/185958A1
The present invention relates to an apparatus for calibrating a power measuring system for power transformers. The general inventive concept involves the two reference measuring systems that are known from the prior art for the calibrati...  
WO/2013/169592A2
A structure and method are provided for self-test of a Z axis sensor. Two self-test current lines are symmetrically positioned adjacent, but equidistant from, each sense element. The vertical component of the magnetic field created from ...  
WO/2013/143681A1
The invention relates to a vectorial network analyser (VNA) having at least one signal generator (110), which generates a particular RF output signal, and having n measuring gates (114, 116, 118), where n is an integer greater than or eq...  
WO/2013/143929A1
The method comprises the following steps: operating the synchronous machine (4) in idle mode; recording a measured phase-voltage value (206) of the synchronous machine (2); determining an expected phase-voltage value (208) by associating...  
WO/2013/143650A1
The invention relates to a method for determining electric voltage u(t) and/or electric current i(t) of an HF signal in the time domain on an electrical conductor in a calibration plane (14), wherein by means of at least one directional ...  
WO/2013/130404A2
A method and apparatus eliminate magnetic domain walls in a flux guide by applying, either simultaneously or sequentially, a current pulse along serially positioned reset lines to create a magnetic field along the flux guide, thereby rem...  
WO/2013/127034A1
A multi-node synchronous on-site test method, the method comprising: using GPS time as time reference, and conducting synchronous on-site tests on the devices to be tested and systems distributed at different places at an appointed time;...  
WO/2013/124295A1
The invention relates to a method and a system for calibrating a measuring arrangement using a 16-term error model. A matrix (A) is ascertained using measured scattering parameters (S m ) of different calibration standards (3) and using ...  
WO/2013/102784A1
An uninterruptible power supply (UPS) system (100) comprises a plurality of UPS units (UPS-1, UPS-2) connected in parallel. The controllers (130) of the units are programmed to implement a voltage calibration procedure and a current cali...  
WO/2013/095296A1
Method, arrangement and devices for calibration of a line driving device, such as a DSLAM, having a line port. The method comprises deriving of a first parameter vector, PVinf, for example Hinf. The parameter vector PVinf is derived by p...  
WO/2013/087327A1
A method for checking an electrical current measurement is described. Said method comprises a first step of measuring a current to be measured IM using a current-measuring means (18). The method also comprises a second step of superimpos...  
WO/2013/081670A1
The present invention features systems for adjusting audio signals by applying a gain to the signal in a spectrally varying manner to compensate for ambient noise in the environment of the listener. The system allows a listener to hear w...  
WO/2013/074497A1
The output amplitude of an inertial sensor output signal is compared to an upper and a lower limit to determine whether or not the bandwidth of the sensor is within specification.  
WO/2013/064294A1
The invention relates to a measurement bridge circuit (100), having a first and a second branch. The first branch contains a first resistor (R2(x)) which is sensitive to measured variables and an invariable resistor (Rfix,1) connected in...  
WO/2013/063856A1
A method for testing an error influence amount on a high voltage three-phase current transformer by a high voltage leakage current. A booster is adopted to apply a three-phase symmetrical rated voltage on a primary terminal of the high v...  
WO/2013/053112A1
A workpiece tray of a concentrator or a special transformer acquisition terminal comprises a tray body (1). A 232-port conversion terminal (2), a 232-port plug (5) and a positioning structure used for positioning the concentrator or spec...  
WO/2013/053110A1
An integrated mechanism for executing detection on an electricity consumption information acquisition terminal comprises a general mounting plate (1). An inner cap opening hook (3), a SIM card compressing terminal(4), a cap opening mecha...  
WO/2013/048939A1
Systems and methods are provided for calibrating a transmitter system. A directional coupler (62) is configured to provide a first signal representative of a forward power of an RF signal and a second signal representative of a reflected...  
WO/2013/040726A1
An on-site tester for electricity usage information collection system and a testing method thereof. The on-site tester for electricity usage information collection system includes a microprocessor (1) embedded with a data processing prog...  
WO/2013/015956A1
An integrated circuit (IC) current sensor that self-calibrates when employed in a current divider configuration is presented. The current sensor includes an integrated current conductor (152) to receive a portion of a calibration current...  
WO/2013/014249A1
In a method for adapting an arc sensor (35) to a position in an electrical installation system, according to the invention a specifiable number of specifiable arcs are simulated and/or produced at least at a first position in the install...  
WO/2013/004042A1
Provided are a method and apparatus for calibrating serial addition based on a semi-insulating voltage transformer, comprising a symmetrical high voltage test power supply, a three-port serial voltage transformer, a semi-insulating volta...  
WO/2013/000621A1
The invention relates to a shunt resistor (2) having two measuring connections (2a; 2b) for applying a measurement current (Jm) which flows through the shunt resistor (2) along a main direction of flow, slot-type structures (7; 8) which ...  
WO/2013/003281A1
Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate or support one or more operations or techniques for reducing power consumption or error of a digital c...  
WO/2012/174693A1
Provided is an electric energy meter on-line detection method, applicable to on-site calibration, periodical inspection and faulty meter calibration. An electric energy meter to be detected is connected to a standard electric energy mete...  
WO/2012/163064A1
A full-automatic detecting system and method for a transformer. The system comprises a material delivery line (2); a feed device (3); a detection delivery line (4); insulating test devices (5); error detecting devices (6); a laser markin...  
WO/2012/159400A1
Disclosed is an online check meter of a high-voltage electric energy metering device, comprising: an acquisition processing unit (1) arranged at a high-voltage side and used for acquiring electricity parameter information on a high-volta...  
WO/2012/155886A1
The invention relates to a transducer tester (400) for testing an inductive single bushing transformer (101). The transducer tester (400) comprises a controllable voltage source (401) for emitting a test voltage (Up) to the secondary coi...  
WO/2012/152055A1
An accurate waveform measuring method for lightning strike-induced malfunctions of an electrical transmission line, comprising: using a self-integrating, flexible, nonmagnetic cored Rogowski coil (9) to sample and measure the electric cu...  

Matches 451 - 500 out of 2,772