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Matches 1 - 50 out of 4,890

Document Document Title
WO/2018/123761A1
The present invention can effectively prevent so-called identity theft with respect to user authentication, even when an electronic terminal has been stolen. The present invention comprises: a digital watt-hour meter (20); a location cod...  
WO/2018/122160A1
The present invention relates to an electricity meter adapted to measure electricity consumption in an electricity distribution network with three phases, wherein the electricity meter comprises a measuring circuit for measuring voltages...  
WO/2018/112156A1
Apparatuses, systems and methods for providing a remote user computing system with secure wireless diagnostic and programming access to an IED operatively coupled with electrical substation equipment are disclosed. An exemplary apparatus...  
WO/2018/101363A1
The present invention can suppress an increase in cost and estimate a change-over-time of a facility with practical accuracy. The present invention extracts a time period of an analysis target from time series data of a signal about an o...  
WO/2018/095092A1
A power consumption measurement method and apparatus (05), and a computer storage medium. The power consumption measurement method comprises: determining a wire direct current equivalent resistor R1 of a target to be measured, and a pack...  
WO/2018/097454A1
The present invention relates to a bi-directional DC power meter enabling a single power meter to measure both the amount of transmission power and the amount of the reception power, and a bi-directional DC power meter according to an em...  
WO/2018/079917A1
A device for extinction angle control of an HVDC system according to an embodiment of the present invention may comprise: a converter reactive power calculation unit that calculates a reactive power variation amount of the converter in a...  
WO/2018/081606A1
A method of adjusting an energy usage of a usage area including a step of providing a gateway device for the usage area wherein the usage area comprises at least one electrically powered device and a step of determining an energy usage o...  
WO/2018/047966A1
The present invention makes it possible to separate from a combined signal waveform a signal waveform between units having identical or substantially identical configurations, for example. This waveform separating device is provided with...  
WO/2018/037480A1
A current sensor (11) detects the value of a current flowing in a power supply line (91). A control unit (13) acquires, via an acquisition unit (12), the current value detected by the current sensor (11). The control unit (13) stores, in...  
WO/2018/039187A1
An electrically operated device (10) includes an electric motor (36) with an electrical cord set (30). The cord set (30) includes an electrical connecting plug (80) for coupling with an AC electrical outlet. The device (10) further inclu...  
WO/2018/038000A1
The purpose of the present invention is to enable direct acquisition of information about a state transition from an instantaneous waveform. In the present invention, a state change feature amount relating to power supply current wavefor...  
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,...  
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...  
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...  

Matches 1 - 50 out of 4,890