| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 01/23/2013 | CN202693767U Rated power detecting apparatus of three-phase asynchronous motor |
| 01/23/2013 | CN102890190A Multiwavelet-based random non-linear load active energy metering method |
| 01/23/2013 | CN102890188A Spacer energy consumption testing method |
| 01/23/2013 | CN102890187A Non-electric continuous type hardware fitting energy consumption testing method |
| 01/23/2013 | CN102890186A 功率测试电路 Power test circuit |
| 01/23/2013 | CN101487859B High-voltage direct measurement apparatus |
| 01/22/2013 | US8359173 System and methods for dynamic power estimation for a digital circuit |
| 01/22/2013 | CA2490304C Plural channel analog-to-digital converter, method and meter employing an input channel with a predetermined direct current bias |
| 01/17/2013 | WO2013009942A1 Power determination from separated voltage and current sensors |
| 01/17/2013 | US20130018607 Performance verification apparatus for renewable energy module and method thereof |
| 01/17/2013 | CA2841590A1 Power determination from separated voltage and current sensors |
| 01/16/2013 | EP2546771A2 Electrical efficiency measurement for data centers |
| 01/16/2013 | CN202676804U Box-type transformer station reactive capacitance compensator alarm system |
| 01/16/2013 | CN102879089A Solar irradiation intensity and photovoltaic power generation capacity acquiring equipment |
| 01/15/2013 | US8355890 System and method for predicting maximum cooler and rack capacities in a data center |
| 01/10/2013 | WO2013005352A1 Current detector and electricity meter |
| 01/10/2013 | WO2013005351A1 Current detector and electricity meter |
| 01/10/2013 | WO2012145627A3 Electrical power regulating and monitoring systems and outlet systems therefor |
| 01/10/2013 | US20130013234 Distributed Energy Grid Management |
| 01/10/2013 | US20130013233 Electric-power-generation level predicting apparatus, method and program |
| 01/10/2013 | US20130013232 System and method for use in electric power distribution systems |
| 01/10/2013 | CA2840021A1 Current detection device and electricity meter |
| 01/09/2013 | EP2542902A1 Electronic component, in particular current sensor |
| 01/09/2013 | CN202661623U Ammeter navigator |
| 01/09/2013 | CN102866291A Gate-level power consumption analysis device and gate-level power consumption analysis method based on hardware platform |
| 01/09/2013 | CN101995513B Algorithms for detecting feeder line radio-frequency power and antenna standing-wave ratio in mobile communication system through RFID |
| 01/08/2013 | US8352095 Electric power generation device, electric power demand device, and electric power control system, and method of controlling electric power |
| 01/08/2013 | CA2755382C Instrumentation circuit for shunt-based metrology measurement |
| 01/03/2013 | WO2013002871A1 Techniques for providing holistic views of personal energy consumption |
| 01/03/2013 | US20130006554 Electronic device with electricity recording function and electricity recording method thereof |
| 01/02/2013 | EP2541262A1 Measurement of dissipated power |
| 01/02/2013 | CN202649361U ARM-based intelligent device for analyzing electric energy quality |
| 01/02/2013 | CN202649360U Electric energy quality and loss comprehensive monitoring system of large power rectification system |
| 01/02/2013 | CN202649302U A power probe containing a protection function |
| 01/02/2013 | CN202649301U Peak value and mean value integrally passing type digital radio frequency dynamometer |
| 01/02/2013 | CN102854381A Error compensation method of active powers and reactive powers |
| 01/02/2013 | CN102854380A Systems, methods, and apparatus for evaluating load power consumption utilizing a power meter |
| 01/02/2013 | CN102854379A System and method for auxiliary measuring of power consumption of electrical appliance |
| 01/01/2013 | US8346402 Islanding detection in an electrical power delivery system |
| 01/01/2013 | US8341973 Optimizer for single staged refrigeration systems |
| 12/27/2012 | US20120330586 Estimating component power usage from aggregate power usage |
| 12/27/2012 | US20120326777 Amplifier circuit and radio communication apparatus |
| 12/26/2012 | CN202631626U Multi-path collection system of intelligent electric meter |
| 12/26/2012 | CN202631611U Digital display electric measuring instrument with trend indication function |
| 12/26/2012 | CN202631607U Portable photovoltaic assembly direct electric energy gauge |
| 12/26/2012 | CN102110982B Method and device for monitoring power of extra-high voltage connecting line |
| 12/26/2012 | CN102103164B Solar photovoltaic cell power generating capacity prediction system and method |
| 12/26/2012 | CN101832124B Dual laterolog equipment power transmitting control method |
| 12/25/2012 | US8340931 Power grid with comparison of differences in remote phasor changes |
| 12/25/2012 | US8340831 Non-intrusive load monitoring system and method |
| 12/20/2012 | US20120323508 Low voltage detector |
| 12/20/2012 | US20120319480 Systems and methods for optimizing power loads in a power distribution unit |
| 12/19/2012 | CN202614898U Solar energy photovoltaic assembly power test sliding detection platform |
| 12/19/2012 | CN102834885A Method for controlling the opening or closing of an electric circuit in an electric meter |
| 12/19/2012 | CN102830278A Power factor detection circuit |
| 12/19/2012 | CN102830277A Signal measurement device and method for end system of generator |
| 12/13/2012 | WO2012167747A1 Device and method for alternating current physical quantity measurement and data collection |
| 12/13/2012 | US20120316808 System and method for home energy monitor and control |
| 12/13/2012 | US20120313620 Local transformer level grid management systems and methods |
| 12/13/2012 | DE102011103449A1 Vorrichtung zur Versorgung eines Hauses mit elektrischer Energie Apparatus for supplying a house with electricity |
| 12/12/2012 | EP2533392A1 Dispositif d'alimentation d'une habitation en énergie électrique |
| 12/12/2012 | EP2533058A1 Information processing apparatus, information processing method, and program |
| 12/12/2012 | CN202599970U Wind speed forecasting device of wind power plant and power forecasting system of wind power plant |
| 12/12/2012 | CN102818929A Isolating SPI (serial peripheral interface) bus electric energy measuring module and multifunctional ammeter |
| 12/06/2012 | WO2012166330A1 Green energy database including verifiable information for implementing a national level green energy policy |
| 12/06/2012 | WO2012164553A2 Distributed electricity metering system |
| 12/06/2012 | US20120310560 Energy display system |
| 12/05/2012 | EP2530477A1 Method and device for monitoring energy efficiency performance of equipment |
| 12/05/2012 | CN202586360U Smart capacitance monitor |
| 12/05/2012 | CN202585280U Digital display air switch |
| 12/05/2012 | CN102811019A Motor driving device comprising maximum output calculation unit of direct current conversion unit |
| 12/05/2012 | CN102809684A Power detection method and circuit for primary side circuit of power supply unit |
| 12/05/2012 | CN102809683A Electromagnetic wave sensor based on planar optical waveguide and metamaterial |
| 12/05/2012 | CN101949871B Device for measuring thermal power of nonlinear crystal |
| 12/05/2012 | CN101290333B Power testing device and method |
| 12/04/2012 | US8326576 Detecting power quality events in power distribution networks |
| 12/04/2012 | US8326554 Systems, methods, and apparatus for utility meter phase identification |
| 11/29/2012 | WO2012162450A1 Battery monitoring system |
| 11/29/2012 | US20120303300 Power distribution network load forecasting |
| 11/29/2012 | US20120303299 Parametric multi-cycle averaging in an intelligent electronic device |
| 11/29/2012 | US20120303298 Evaluation method for solar power generation system, evaluation device, and evaluation program |
| 11/29/2012 | US20120303166 System and method of safe and effective engergy usage and conservation for data centers with rack power distribution units |
| 11/29/2012 | CA2837320A1 Battery monitoring system |
| 11/28/2012 | EP2527850A1 Voltage-dependent meter |
| 11/28/2012 | EP2527849A1 Power strip and electrical power measurement system |
| 11/28/2012 | CN202563004U Signal measuring device for generator end system |
| 11/28/2012 | CN202563003U Reactive power compensation cabinet power factor over-limit alarming device |
| 11/28/2012 | CN1757025B Method and apparatus providing prepaid billing for network services using explicit service authorization |
| 11/28/2012 | CN102803003A Determination Of Amounts Of Energy Drawn |
| 11/28/2012 | CN102799557A Hot plugging single board and method for measuring power of hot plugging single board |
| 11/28/2012 | CN102798754A Optic fiber and metamaterial-based electromagnetic wave sensor |
| 11/28/2012 | CN101995326B Test bed for testing comprehensive performance of LED modules |
| 11/28/2012 | CN101627312B Ac electric quantity measuring device |
| 11/27/2012 | US8319599 Electrical appliance, in particular an electrical household appliance, a corresponding optional auxiliary device, and a system comprising said appliance and device |
| 11/22/2012 | US20120296486 Energy monitoring and management security system |
| 11/22/2012 | DE102011102185A1 Spannungsabhängige Zähleinrichtung Voltage-dependent counting |
| 11/21/2012 | EP2525472A1 Electronic current transformer based on complete self-excitation power supply |
| 11/21/2012 | CN102788897A Optical fiber watt transducer using reflective quasi-reciprocal light path |
| 11/20/2012 | US8315717 Method and apparatus for actively managing consumption of electric power supplied by an electric utility |
| 11/20/2012 | CA2304090C Utility meter providing an interface between a digital network and home electronics |