Patents
Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609)
06/2010
06/03/2010US20100138174 Establishing A Power Profile For Generating Electrical Ratings
06/03/2010US20100138173 Tool to analyze performance of power-beam photovoltaic receiver
06/03/2010US20100135099 Power-on detector, operating method of power-on detector and memory device including the same
06/02/2010CN201497978U high-precision four-quadrant multiplier
06/02/2010CN201497778U Three-phase electric energy metering SOPC chip
06/02/2010CN201497777U Power utility monitoring system
06/02/2010CN201497776U Device for realizing power measurement based on resistance sampling by adopting linear photoelectric coupler
06/02/2010CN201497775U Microwave power-detecting device
06/02/2010CN201497765U Device capable of display total power consumption in real time on display terminal
06/02/2010CN101720439A Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof
06/02/2010CN101719674A Method for testing and computing loss of chain type modularizied static synchronous compensator
06/02/2010CN101718820A Power distribution transformer monitoring terminal and method for calculating current complex power precision thereof
06/02/2010CN101718809A System and method for acquiring power quality data
06/02/2010CN101718808A Intelligent virtual instrument and application method
05/2010
05/27/2010WO2010058649A1 Solar battery evaluation device and method for evaluating solar battery
05/27/2010WO2010019476A3 Improvements in virtual metering
05/27/2010US20100131243 Apparatus for Measuring Distortion Power Quality Index and Method of Operating the Apparatus
05/27/2010US20100131216 Power curve of wind power plant for energy network
05/27/2010DE102008057607A1 Thermoelektrische Leistungsmesszelle und entsprechendes Messverfahren Thermoelectric power cell and corresponding measuring method
05/26/2010CN201489050U Automatic distributor for power voltage-resistant earthing test instruments
05/26/2010CN101714234A Grid line loss monitoring and analyzing system
05/20/2010WO2010054991A1 Energy consumption monitor for a domestic appliance
05/20/2010WO2010054811A1 Thermoelectric power measurement cell and corresponding measurement method
05/20/2010WO2009126254A4 Transmitter power monitor
05/19/2010CN201477145U Monitoring system for power quality
05/19/2010CN101710158A Substation automation system (SAS) with insulation on-line monitoring function for high voltage electric power equipment
05/19/2010CN101710153A Embedded electric energy meter with harmonic measurement function and measurement method thereof
05/18/2010US7720620 System and method for determining harmonic contributions from non-linear loads without disconnecting any load
05/13/2010US20100121586 unbalance power of an electrical facility or system, along with the device for its calibration
05/13/2010US20100117625 Energy usage monitor for a household appliance
05/12/2010DE102009051923A1 Steuerungseinrichtung zum Berechnen einer elektrischen Leistungsaufnahme einer Industriemaschine Control means for calculating an electrical power consumption of an industrial machine
05/12/2010CN201466441U Power supply device with wireless metering function
05/12/2010CN201464552U Electric energy meter counter
05/12/2010CN201464532U Comprehensive measuring instrument of electric appliance
05/11/2010US7715951 System and method for managing consumption of power supplied by an electric utility
05/11/2010US7715176 Modular power monitoring system
05/11/2010CA2684246A1 Energy usage monitor for a household appliance
05/06/2010WO2010048993A1 Electricity meter, remote controllable disconnector module and electrical installation comprising the electricity meter
05/06/2010US20100114511 Battery monitor
05/06/2010US20100114510 Methods and apparatus for monitoring battery charge depletion
05/06/2010US20100114392 Real-Time Power Line Rating
05/06/2010US20100109650 Apparatus for electronically measuring or distributing electrical energy
05/06/2010DE102009042905A1 Servomotor-Steuergerät zum Steuern von Servomotoren für die Berechnung der aufgenommenen und der zurückgewonnenen elektrischen Energie A servomotor control apparatus for controlling servomotors for the calculation of the recorded and the recovered electric energy
05/05/2010CN201449416U Electric energy monitor
05/04/2010US7711538 Method and apparatus for soft-sensor characterization of batteries
04/2010
04/29/2010US20100106436 Power consumption calculation facility
04/29/2010US20100106435 System and Method for Power System Parameter Measurement
04/28/2010EP1451916B1 Method and device for guaranteeing the supply of energy in autonomous installations
04/27/2010US7706990 Systems and methods for measuring utilized generation of at-premise renewable power systems
04/22/2010US20100100342 Metering system and method of operation
04/22/2010US20100100341 Power meter based on system on chip
04/22/2010US20100100340 Multi-Path Power Meter with Amplifier
04/22/2010US20100097189 Battery monitor
04/22/2010DE102008052335A1 Mehrpfad-Leistungsmesser mit Verstärker Multipath power meter with amplifier
04/21/2010EP2177920A1 Power meter based on system on chip
04/21/2010CN201440155U Energy consumption monitor controller
04/15/2010US20100094574 Method for state estimation based on the measured data of the data-acquisition system in power system
04/15/2010US20100094476 Energy usage monitoring method and system
04/14/2010CN201438203U Digital clamp meter for measuring current and power consumed by electrical products
04/14/2010CN201438199U Power quality on-line monitoring device
04/14/2010CN101359305B 电脑功率测量装置 Computer power measurement device
04/08/2010WO2010040036A1 Apparatus and method for measuring active and reactive powers
04/08/2010WO2010039708A1 System and method for measuring reactive power
04/08/2010WO2010039449A1 High voltage signal isolation by capacitive coupling
04/08/2010WO2009103998A3 A method of inference of appliance usage. data processing apparatus and/or computer software
04/08/2010US20100088049 Apparatus and method for measuring active and reactive powers
04/08/2010US20100085037 System and Method for Measuring Reactive Power
04/07/2010EP2171484A1 Energy consumption measurement
04/07/2010CN101692123A Micro-electromechanical microwave loss compensating microwave power detector
04/07/2010CN101692104A Power quality and synchronized phasor monitoring device for power system
04/06/2010US7693670 Cognitive electric power meter
04/01/2010WO2010034334A1 Method and microelectromechanical system for capturing a measurement variable for an electric current flowing through an electrical conductor, and an arrangement
04/01/2010WO2009126254A3 Transmitter power monitor
04/01/2010US20100082174 Managing energy usage
03/2010
03/31/2010CN201434889Y Single-phase power factor transmitter
03/31/2010CN201434880Y Carrier wave remote controlled meter-reading billing system
03/31/2010CN101685112A Servo motor drive control device for calculating consumed electric energy and regenerated electric energy
03/30/2010US7689374 Polyphase electric energy meter
03/30/2010US7688061 Apparatus for electronically measuring electrical energy
03/30/2010US7688060 Electronic revenue meter with automatic service sensing
03/25/2010WO2010032914A1 Method for monitoring energy usage in the lighting sector using a switch sensing technique
03/25/2010WO2010007369A3 Utility metering
03/25/2010US20100076616 Intelligent electronic device capable of operating as a usb master device and a usb slave device
03/25/2010US20100072982 Test equipment and test system using the same
03/25/2010DE102008015160B4 Detektoreinrichtung und korrespondierendes Verfahren Detector means and corresponding method
03/24/2010CN201430446Y Electricity utilization management terminal with function of power factor compensation
03/24/2010CN201429682Y Alternating-current power supply tester
03/24/2010CN201429648Y Single-phase electric meter adopting electric carrier wave technology
03/24/2010CN201429647Y Triphase electronic multifunction electric meter
03/24/2010CN100595594C High-power microwave water load
03/23/2010US7683603 Automatic disconnect system, transfer system and method
03/18/2010US20100070434 Appliance with real time energy cost displayed based on usage
03/18/2010US20100070219 Efficiency monitor for inductive power transmission
03/18/2010US20100070218 System and method for identifying appliances by electrical characteristics
03/18/2010US20100070217 System and method for monitoring and management of utility usage
03/18/2010US20100070216 Power consumption calculation apparatus, power consumption calculation method, and state transition data generation method
03/18/2010US20100070215 System and method for identifying appliances by electrical characteristics
03/18/2010US20100070214 System and method for identifying appliances by electrical characteristics
03/18/2010US20100070213 Method for Monitoring the Electrical Energy Quality in an Electrical Energy Supply System, Power Quality Field Device and Power Quality System
03/17/2010EP2163909A1 Method of detecting a sustained parallel source condition
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