Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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05/24/2012 | US20120130659 Analysis of Large Data Sets Using Distributed Polynomial Interpolation |
05/24/2012 | US20120130658 Power quality device having communication interface |
05/24/2012 | US20120130656 Data alignment in large scale electrical system applications |
05/24/2012 | US20120126788 Energy meter |
05/24/2012 | US20120126786 Thermoelectric Power Measurement Cell and Corresponding Measurement Method |
05/24/2012 | DE102010052041A1 Erfassung der Energieverteilung in einer Maschine mit mehreren Antrieben Acquisition of energy distribution in a machine with several drives |
05/24/2012 | DE102007041793B4 Verfahren und Vorrichtung zur Bestimmung der Verluste eines Energiewandlers, insbesondere eines Stromrichters oder Synchrongenerators, sowie dazugehöriger Energiewandler Method and apparatus for determining losses of an energy converter, in particular a converter or synchronous generator, as well as related energy converter |
05/23/2012 | EP2456043A1 Power consumption compliance monitoring system and method |
05/23/2012 | CN102472782A 电表篡改检测 Meter tamper detection |
05/23/2012 | CN102466759A 用电装置功率测试仪 Electrical device power tester |
05/23/2012 | CN102466758A 半导体交流功率表 Semiconductor AC power meter |
05/23/2012 | CN101915871B MEMS (Micro Electronic Mechanical System) clamped beam type online microwave power sensor and production method thereof |
05/23/2012 | CN101915870B MEMS (Micro Electronic Mechanical System) cantilever beam type online microwave power sensor and production method thereof |
05/23/2012 | CN101806844B Test status recognition device and method for iron loss tester |
05/23/2012 | CN101788622B Debugging test method for automatic power-generating control system |
05/23/2012 | CN101593965B Intelligent low-voltage motor protector with function of electric energy measurement |
05/23/2012 | CN101387679B Method for weighting dynamic voltage stability margin index |
05/23/2012 | CA2758725A1 System and method for providing power to a power meter connected to a power line |
05/23/2012 | CA2758683A1 System and method for controlling a connection of a meter to a power line |
05/22/2012 | US8185358 Apparatus for measuring distortion power quality index and method of operating the apparatus |
05/22/2012 | US8185333 Automated load assessment device and method |
05/22/2012 | US8185331 Systems, methods and apparatus for indexing and predicting wind power output from virtual wind farms |
05/22/2012 | US8185330 Automatic placement of measurement gates |
05/22/2012 | US8185328 Device, method, and program for measuring signal, and recording medium |
05/18/2012 | CA2757886A1 Method, device and computer program product for magnetic tamper detection in a meter |
05/17/2012 | US20120123711 System and Method for Measuring Power Usage |
05/17/2012 | US20120123710 Device and method for detecting the energy quantity in the charging station for an electric vehicle |
05/17/2012 | US20120123709 Method for detection of plug-in electric vehicle charging via interrogation of smart meter data |
05/17/2012 | US20120123602 Application of phasor measurement units (pmu) for controlled system separation |
05/16/2012 | EP2453512A1 Systems, methods, and apparatus for demand response of battery-powered devices |
05/16/2012 | EP2304449B1 Utility metering |
05/16/2012 | CN102460189A 基于一个或多个燃料利用特征奖励给交通工具地位 Based on the use of one or more fuel to transport position features award |
05/15/2012 | US8180583 Methods and systems to determine a context of a device |
05/15/2012 | US8180494 System and method for dynamically managing blowers and vents |
05/10/2012 | WO2012060207A1 Power source device and programmable controller |
05/10/2012 | WO2012059983A1 Power source device and programmable controller |
05/10/2012 | WO2012059398A1 Measuring system for monitoring at least one phase of a system |
05/10/2012 | US20120116698 Variable sensing using frequency domain |
05/10/2012 | US20120116597 Gateway mirroring of metering data between zigbee networks |
05/10/2012 | US20120116590 Rack-level modular server and storage framework |
05/09/2012 | EP2450787A2 Method, device and computer program product for random number generation in a meter |
05/09/2012 | CN202217013U Device for detecting power consumption of rechargeable battery protection board |
05/09/2012 | CN202217006U Electric energy metering device for submersible pump well |
05/09/2012 | CN102445595A Real-time measuring method for time-varying power of electrical power system |
05/09/2012 | CN101216510B High voltage electric energy direct metered system and method |
05/08/2012 | US8175825 Methods and systems for auto-calibrated power metering in portable information handling systems |
05/08/2012 | US8174254 Measuring device with negative-feedback DC voltage amplifier |
05/08/2012 | US8172147 Method and system for the estimating the energy consumption of commercially available electrical devices |
05/03/2012 | US20120109716 Analyzing utility consumption |
05/03/2012 | US20120109551 Power consumption display unit for machine tool |
05/03/2012 | US20120109550 Method and system of sampling to automatically scale digital power estimates with frequency |
05/03/2012 | US20120109549 Electrical power control device and electrical power calculation method in electrical power control device |
05/03/2012 | US20120109397 Location-based smart energy management system using rfid and method thereof |
05/03/2012 | DE102010043254A1 Messsystem zur Überwachung mindestens einer Phase eines Systems Measurement system for monitoring at least one phase of a system |
05/03/2012 | DE102007040399B4 Vorrichtung zur galvanisch getrennten Messung der elektrischen Leistungsaufnahme eines Zweipols Apparatus for electrically isolated measurement of electrical power consumption of a dipole |
05/02/2012 | EP2446406A2 Method and device for analyzing the energy use during the operation of a production system |
05/02/2012 | EP2445745A1 Determination of amounts of energy drawn |
05/02/2012 | CN202210122U Integrated information acquisition terminal for electric power system |
05/02/2012 | CN102439637A Method and system for revenue generation using an energy system |
05/02/2012 | CN102439466A Method for validation and introduction of one or more features in an electrically powered system |
05/02/2012 | CN102435840A Energy metering system supporting dynamic time-varying energy pricing, energy metering method and watt hour meter |
05/02/2012 | CN102435838A Basic electric quantity type energy-efficiency data collecting terminal |
05/02/2012 | CN102435837A Online detector for micro electro mechanical system (MEMS) coupling degree-reconfigurable microwave power and preparation method thereof |
05/02/2012 | CN102435836A Method for electrometer to realize interchange of homonymous ends of current transformer through by utilizing computer program |
05/02/2012 | CN102435835A Rms and envelope detector |
05/02/2012 | CN102435834A Zero-bias type power detector |
05/02/2012 | CN102435832A Single-phase distribution transformer operation monitoring metering device |
05/01/2012 | US8170699 Metering system and method of operation |
04/26/2012 | WO2011144098A3 Mobile terminal and load power measuring method thereof |
04/26/2012 | US20120101751 Evaluation Method |
04/26/2012 | US20120101750 Device for measuring power supply efficiency and method for using same |
04/25/2012 | CN202206333U 太阳能综合测试与控制系统 Solar Integrated Test and Control System |
04/25/2012 | CN202204871U Comprehensive information acquisition system used for power system |
04/25/2012 | CN202204870U Full-automatic power consumption tester |
04/25/2012 | CN202204867U 一种数字化测量电路 A Digital measuring circuit |
04/24/2012 | US8166433 Method to inspect floating connection and floating net of integrated circuit |
04/19/2012 | US20120095704 FILTERING TECHNIQUES TO REMOVE NOISE FROM A PERIODIC SIGNAL AND Irms CALCULATIONS |
04/19/2012 | US20120091993 Electronic apparatus, power feeding method, and power feeding system |
04/18/2012 | EP2442076A1 Electricity meter |
04/18/2012 | EP2227856B1 Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility grid |
04/18/2012 | CN102420435A Adaptive island detection method for grid-connected photovoltaic power generation system |
04/18/2012 | CN102419413A Avalanche tolerance testing circuit and method of power MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) |
04/18/2012 | CN102419395A 一种电磁炉的能效测试方法及测试装置 One kind of cooker energy efficiency test method and test device |
04/18/2012 | CN102419394A 一种预测分辨率可变的风光功率预测方法 A variable-resolution scenery power prediction method |
04/18/2012 | CN102419389A 测试和测量仪器中的时域测量 Test and measurement instruments in the time-domain measurements |
04/18/2012 | CN101231312B 用于提高互感器准确度的设备及方法 Apparatus and method for improving the accuracy of the transformer |
04/12/2012 | WO2012047441A1 Utility device management |
04/12/2012 | US20120089523 Smartgrid Energy-Usage-Data Storage and Presentation Systems, Devices, Protocol, and Processes Including a Visualization, and Load Fingerprinting Process |
04/12/2012 | CA2812906A1 Utility device management |
04/11/2012 | EP2104860B1 Poly-phase electric energy meter |
04/11/2012 | CN202189091U 一种待机功耗测试能力验证样品 One kind of standby power testing capabilities validation samples |
04/11/2012 | CN202189090U 功率/驻波数字表 Power / VSWR digital form |
04/11/2012 | CN102412591A 基于负序功率正反馈的孤岛检测方法 Negative sequence power islanding detection method based on positive feedback |
04/11/2012 | CN102411088A 四输入微机械固支梁热电式微波功率传感器及制备方法 Four inputs clamped beam micromechanical thermoelectric microwave power sensors and preparation methods |
04/11/2012 | CN102411087A 呈90°角四输入微电子机械微波功率传感器及制备方法 90 ° angle four-input MEMS microwave power sensor and the preparation method was |
04/11/2012 | CN102411086A Five-port capacitance type microwave power sensor based on micro mechanical clamped beam |
04/10/2012 | US8156350 Controlling multilevel shared resources in a computing device |
04/10/2012 | US8155901 System for remedying electrical power instability |
04/05/2012 | WO2012042336A1 Electric power measurement device, and electric power measurement method |
04/05/2012 | WO2011153401A3 Method and system for non-intrusive load monitoring and processing |