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Matches 1 - 50 out of 4,826

Document Document Title
WO/2018/010088A1
An electronic chip power information sending method and system, the method comprising the following steps: obtaining power information of an electronic chip (101); processing and analysing the power information (102); if the processing a...  
WO/2017/219708A1
A power analysis method and device. The power analysis method comprises: performing wideband sampling on voltage signals and/or current signals to obtain voltage sampling data and/or current sampling data (S101); dividing the voltage sam...  
WO/2017/216598A1
Current transducers are widely used in current measuring systems. They provide good isolation between the supply voltage and the measurement equipment. However they can introduce small phase errors which can become significant sources of...  
WO/2017/218600A1
The present disclosure pertains to systems and methods for supervising protective elements in electric power systems. In one embodiment, a system may be configured to selectively enable a protective action an electric power system. The s...  
WO/2017/207037A1
A meter apparatus (100) is proposed for determining parameters of an AC electric signal in first (L) and second (N) wires, the AC electric signal comprising an AC electric current (I AC ) and an AC electric voltage (V AC ). The meter app...  
WO/2017/200921A1
In an example, a system for determining a power factor of an electric device powered by an alternating current (AC) power is described. The system includes a current sensor configured to: (i) remotely sense, at a position external to the...  
WO/2017/197796A1
Provided is a method for protecting a POS machine from being refitted and being provided with a Trojan program for information stealing. The method comprises the steps of: firstly, monitoring the power consumption of a main power supply ...  
WO/2017/195346A1
The present invention is provided with: a voltage value calculation means for calculating the voltage value of an alternating-current voltage; a voltage zero-cross-time calculation means for detecting the zero cross of the alternating-cu...  
WO/2017/191625A1
A method, system and computer program product, the method comprising: obtaining transition probabilities, each transition probability associated with transition of a home appliance between states; receiving sensor readings indicating beh...  
WO/2017/186242A1
The present invention relates to a method for identifying which phase of a multi-phase system is associated with which terminal of a group of electricity meters associated with the multi-phase system, based on an analysis of voltage vari...  
WO/2017/190065A1
A current sensor includes a two-piece ferromagnetic core clamped together over a wire to be measured by a housing to form a ferromagnetic cylinder that concentrates the magnetic flux surrounding the electrical wire to be measured. By dir...  
WO/2017/188475A1
Provided are non-contact identification method and system, for energy home appliances, using total power consumption and a composite sensor. A non-contact identification method for an energy-using device, according to an embodiment of th...  
WO/2017/182918A1
The method for determining mutual voltage sensitivity coefficients between a plurality of measuring nodes (M1,..., M7) of an electric power network (1) does not rely on knowledge of the network parameters (for example: series conductance...  
WO/2017/180874A1
Systems, apparatuses and methods are provided herein for thermal monitoring in a retail facility. A system for thermal monitoring in a retail facility comprises: a thermal sensor positioned in a predetermined location of a portion of the...  
WO/2017/180075A1
This invention refers to technical losses occurred on connection points and conductors of electrical network system, recording synchronized the amount of energy consumed on them and system voltage with simultaneous and specified interval...  
WO/2017/179858A1
Disclosed are a device and a method for monitoring a wireless power transmitter. A device for monitoring a wireless power transmitter, according to an embodiment, comprises: a level information detector for detecting voltage level inform...  
WO/2017/174957A3
Methods and control apparatus for operating a three-phase electric motor are described, in which the motor windings are switched between Star and Delta connections depending on torque requirements, and in which the motor windings are swi...  
WO/2017/161107A1
In described examples, a system such as an electric meter includes a single-ended analog-to-digital converter, which is susceptible to crosstalk. To calibrate and cancel crosstalk effects, the system determines (308) whether voltage-indu...  
WO/2017/153880A1
A system for determination of a current consumer operational state operates on two sets of data respective of the current consumer. The first set of data is historical data of current consumption measured periodically. A training module ...  
WO/2017/147661A1
Electrical data is gathered by a portable electrical energy consumption diagnostic device at a site. Each device is electrically connected into a respective electrical switchboard. One or more slave portable electrical energy consumption...  
WO/2017/147838A1
A method and an apparatus of estimating power using a plurality of branch load circuits associated with a mains three phase power supply, comprises: a voltage sensor (303) coupled to a mains power supply; a non-intrusive magnetic flux se...  
WO/2017/151631A1
Systems and methods for detecting potential theft and identifying individuals having a history of committing theft are presented. In an embodiment, an electromagnetic emission associated with a personal electronic device associated with ...  
WO/2017/143425A1
A power and energy measurement device and method employing bitstreams of high-speed Delta-Sigma measurements of voltage and current within the power system. A fast-tracking direct digital synthesizer circuit generates a system frequency ...  
WO/2017/140616A1
The present invention relates to a system and a method for determining the power loss of a transformer (100). The method comprises measuring (201) voltage and current (V~H, I~H) at the primary side (101) of the transformer, calculating i...  
WO/2017/129492A1
The present invention relates to a method of monitoring oscillations that are liable to interact in an electrical power network, in dependence on measurement of AC waveforms in the electrical power network. The method comprises receiving...  
WO/2017/126104A1
An inverter device is equipped with: a sampling unit that acquires current sampling values and voltage sampling values; a storage unit that stores the voltage sampling values and the current sampling values; a phase difference detection ...  
WO/2017/127797A1
A digital power distribution system comprises a digital power transmitter configured to accept analog electrical power and to convert the analog electrical power into discrete energy packets for distribution across a common set of transm...  
WO/2017/121518A1
A power detector measures RF power delivered into a first load of uncertain impedance. A reference power meter measures power of a reference signal to a second load of known impedance. The reference power meter measures voltage across th...  
WO/2017/122727A1
The present invention enables the provision of information indicating whether or not the use of a device in a store is appropriate, or indicating what operating state is appropriate. The equipment management device: acquires state inform...  
WO/2017/120284A1
An approach to optimization of a thermal system includes applying computational fluid dynamics to precompute and store data for a set of canonical structures of heat transfer elements, and then using a flow network model to optimize dime...  
WO/2017/113754A1
A method for detecting dynamic reactive power of a grid and a reactive power detector, used for detecting the reactive power demand in a grid so as to avoid inaccurate data caused by communication delays. The method comprises: a reactive...  
WO/2017/117482A1
This disclosure relates to detecting manipulation or spoofing of a time based on a latency of a communication system. In one embodiment, a system includes a time input to receive a time signal. The system includes a first interface to re...  
WO/2017/116091A1
A method for diagnosing an oil-immersed transformer, of the present invention, comprises: a dissolved gas measurement step of measuring dissolved gas in the oil-immersed transformer by a dissolved gas measurement part; a dissolved gas an...  
WO/2017/106042A1
A system and method in which production measurement for renewable energy is obtained in a storage-independent manner. Energy storage is separated out from the renewable generation to provide individual performance analytics. A monitoring...  
WO/2017/100471A1
A power detector with a detection signal input connectible to a source of a radio frequency signal and a detected power level output has a differential amplifier detector circuit with an input connected to the detection signal input and ...  
WO/2017/100137A1
By virtue of the ability to vary local load via inverter (e.g., solar PV inverter) volt-ampere reactive power (VAR) injection, local demand and energy consumption can be controlled at a system level. Utilities that provide solar PV syste...  
WO/2017/099967A1
The power transmission tower mounted series injection transformer (TMIT) injects impedance and/or voltage on a transmission tower power line. A tension bearing tower uses vertical and horizontal insulators to support and stabilize the Τ...  
WO/2017/093792A1
The invention relates to a portable power and multifunctional measuring device (1; 1") which can be integrated into an energy management system (EMS) and comprises at least one terminal for tapping a voltage, at least one terminal for a ...  
WO/2017/081348A1
The invention relates to a device for measuring physical magnitudes on electrical conductors, comprising a casing that can be mounted on the outside of the conductor by gripping and fixing means, a metal punch that can be inserted in the...  
WO/2017/072688A1
Disclosed is a wall profile generator for determining thermal properties for one or more walls in a structure. The wall profile generator includes a simulation model generator to convert data associated with the structure into fixed nume...  
WO/2017/070646A1
A transformer monitoring device for a smart grid network is provided, which is configured to transmit and receive optical signaling between other transformer monitoring devices and other devices in the smart grid network. The transformer...  
WO/2017/064632A1
The present disclosure discloses an alternating current load detection circuit, including: a first resistor connected to a load circuit to be detected in parallel; a diode full bridge circuit connected to the load circuit to be detected ...  
WO/2017/066658A1
Methods and apparatus for non-intrusive monitoring by sensing physical parameters such as electric and/or magnetic fields. Such apparatus and techniques may find application in a variety of fields, such as monitoring consumption of elect...  
WO/2017/063607A1
A method and system for identifying energy consumption of an electrical appliance. The method uses a streaming controller (1) to connect one or more series groups of end controllers (2); each series group of end controllers (2) can compr...  
WO/2017/060831A1
A power monitoring device is provided that includes: a control unit comprising a processor and a memory coupled to the processor; a power meter configured to obtain a reading corresponding to power transmission through a location on a su...  
WO/2017/057956A1
A system for power transmission line permitted heat capacity calculation and electric power-system analysis is disclosed. The system for power transmission line permitted heat capacity calculation and electric power-system analysis compr...  
WO/2017/058761A1
Methods and system for power system optimization and planning based on introducing new state variables. In accordance with an example embodiment, a novel power flow analysis method and/or system introduces new state variables for power s...  
WO/2017/057180A1
An estimation device (10) equipped with: a data acquisition unit (11) that acquires measurement data for the electric current consumption or the electric power consumption of all of multiple electric devices being monitored; an estimatio...  
WO/2017/053876A1
Described herein are methods and systems for remote sensing to derive a calibrated power measurement for a power distribution point. Magnetic field sensors of a sensor module sense a magnetic field emitted by the power distribution point...  
WO/2017/041572A1
An improved distribution transformer energy efficiency measurement testing method, device and storage medium, the testing method comprising: building an equivalent two-port network model of a distribution transformer (301); on the basis ...  

Matches 1 - 50 out of 4,826