Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 21 - Arrangements for measuring electric power or power factor
Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609)
10/2010
10/28/2010US20100271222 Automatic system information determination of distributed renewable energy systems
10/28/2010US20100271006 Start test electronic device and system and method of use thereof
10/27/2010CN101871984A Device and method for detecting electric energy quality of ships
10/27/2010CN101871966A Multi-channel dynamic testing method and dynamic testing circuit thereof
10/21/2010WO2010118760A1 Method and system for energy consumption monitoring in an ict environment
10/21/2010US20100264906 Apparatus and Methods Thereof for Power Consumption Measurement at Circuit Breaker Points
10/21/2010US20100264901 Directional coupler
10/20/2010EP2241898A1 Power measuring system, measuring apparatus, load terminal, and device control system
10/20/2010CN201611357U 外置附加功能模块的智能网络电力仪表 External additional functional modules Intelligent Network Power Meter
10/20/2010CN101865948A Passing type power meter capable of achieving broadband power compensation by using L & C circuit
10/19/2010US7818270 Method and system for tracking and budgeting energy usage
10/14/2010WO2010082808A3 System for remote power control and management with an automatically protected bidirectional electric power meter, detection of power theft and protection against overloads and short-circuits, and a system for connection, disconnection and communication by plc modem and/or rf, known as the sce-condex b system
10/14/2010US20100262842 Computational Energy Measurement Without Hardware Support
10/14/2010US20100262566 Electric energy calculation device, price calculation device and price calculation method for calculating price for consumed electric power, and vehicle information output device and vehicle information output method
10/13/2010CN201607484U 家庭用电监控装置 Household electricity monitoring device
10/13/2010CN101860080A Distribution network metering and protection integral device suspended at high-voltage side
10/13/2010CN101858948A Method and system for carrying out transient and intermittent earth fault detection and direction determination in three-phase medium-voltage distribution system
10/12/2010US7813884 Method of calculating power flow solution of a power grid that includes generalized power flow controllers
10/07/2010US20100256934 Reporting circuit breaker and system
10/07/2010DE102009008530A1 Heating device, has electrical heating part and control device, with which electrical energy supplied to heating part over heating circle is variable, and energy consumption detection device integrated into control device
10/06/2010CN201601533U 一种双电源转换控制器的控制装置 A dual power converter control device controller
10/06/2010CN201600409U 风电测控装置 Wind power and control devices
10/05/2010US7808254 Micromechanical microwave power meter
10/05/2010CA2271596C Electricity meter
09/2010
09/30/2010US20100250161 Monitoring system for collection and distribution of a power consumption information
09/30/2010US20100250160 System and method for gathering information using a power device
09/30/2010US20100250159 Synchronizer for a data acquisition system
09/30/2010US20100250018 Method of Operation and Device for Controlling an Energy Installation with Photovoltaic Modules
09/30/2010US20100250014 Method and system for reducing feeder circuit loss using demand response
09/30/2010CA2683871A1 Synchronizer for a data acquisition system
09/29/2010EP2232454A1 A system and method for detecting tampering of a utility meter
09/29/2010CN201594099U Multifunctional electric energy meter
09/29/2010CN101067634B Method for accurate computing electric line loss
09/29/2010CN101063695B Reactive power calculating circuit and method
09/28/2010US7805262 Utility meter using temperature compensation
09/23/2010WO2010106253A2 Method and device for filtering electrical consumption curves and allocating consumption to categories of appliances
09/23/2010US20100241375 Smart device for enabling real-time monitoring, measuring, managing and reporting of energy by solar panels and method therefore
09/22/2010CN101840252A Main board capable of sensing power consumption and power consumption sensing method thereof
09/16/2010WO2010103332A1 Current measuring device
09/16/2010WO2010102647A1 Electrical energy meter, monitoring system having at least one electrical energy meter, and method for operating a monitoring system
09/16/2010US20100235490 Method and Apparatus of Correlating Power Usage With Traffic Flow for a Network Device
09/16/2010US20100235209 Method and System of Applying Environmental Incentives
09/16/2010US20100235120 Energy management system
09/16/2010US20100231412 Device, in particular a power quality meter and a power quality device
09/15/2010EP2227856A1 Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility grid
09/15/2010EP2227698A2 System, method and apparatus for monitoring characteristics of rf power
09/15/2010CN201584794U Charging circuit
09/15/2010CN201584752U Electric current limiter
09/15/2010CN201583605U Series power generation monitor of solar photovoltaic panel unit
09/15/2010CN201583594U Single-phase carrier electric energy meter
09/15/2010CN201583593U Optical fiber electric energy meter
09/15/2010CN201583590U Power collecting system of air-source heat-pump test platform
09/15/2010CN201583578U Multifunctional electric power environment monitoring device
09/15/2010CN101834619A Emission system and method for reducing local oscillation leak power thereof
09/15/2010CN101833032A High-voltage direct metering device
09/15/2010CN101832124A Dual laterolog equipment power transmitting control method
09/14/2010US7797084 Building energy management system
09/09/2010US20100225466 System architecture and apparatus for programmable automatic power supply testing
09/08/2010EP2226765A1 Monitoring device for actuators
09/08/2010EP2225639A1 Real-time system verification and monitoring of protective device settings within an electrical power distribution network
09/08/2010CN201576044U Three-phase voltage regulation testbed
09/08/2010CN1956286B Detection of islanding in power grids
09/08/2010CN101825658A System and method for automatically testing power of display equipment on production line
09/08/2010CN101825655A Electric furnace load automatic detection recorder
09/08/2010CN101364738B Tracing and simulating test method for voltage reactive integrated control system
09/08/2010CN101344545B Computing method of multilevel filter network cascade connection power factor under impedance mismatch condition
09/01/2010CN201569701U Single phase remote charge intelligent ammeter
09/01/2010CN201569691U Electric power quality monitoring and synchronous phasor monitoring device of power system
09/01/2010CN1849517B Method and apparatus for measuring active, reactive power of system and module, impedance of electrical component
09/01/2010CN101820161A Power detection control circuit
09/01/2010CN101819417A Energy-saving monitoring socket
09/01/2010CN101819230A Method and device for monitoring power consumption of single board
09/01/2010CN101819229A High dynamic range radio frequency signal power detection circuit
09/01/2010CN101441593B Power measuring device
08/2010
08/31/2010US7788051 Method and apparatus for parallel loadflow computation for electrical power system
08/31/2010US7787995 Method and system for controlling an operation of an electrical power network
08/26/2010US20100217550 System and method for electric grid utilization and optimization
08/26/2010US20100217549 System and method for fractional smart metering
08/26/2010US20100213763 Power demand management method and system
08/26/2010DE102009037058B3 Method for contactless determination of local power and flow direction in telephone line or line combination in integrated network, involves immediately/centrally comparing phase determined by magnetic field measurement and reference phase
08/25/2010EP2221584A2 Communications device for an electricity meter
08/25/2010CN201562351U Low voltage electric power intelligent data collector
08/25/2010CN201562149U Portable intelligent power consumption amount manager
08/25/2010CN201562011U Embedded electric energy meter with harmonic wave measurement function
08/25/2010CN201562010U Standard electric energy meter
08/19/2010WO2008132258A9 Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof
08/19/2010US20100211509 Resource monitoring device
08/19/2010US20100211335 Information processing apparatus and information processing method
08/19/2010US20100211222 Method and apparatus for comprehensive energy measurement and analysis of a building
08/18/2010CN201555912U On-vehicle movable detection integrating device for small-sized photovoltaic power station
08/18/2010CN201555897U Frequency converter regenerative electric energy tester
08/18/2010CN201555893U Distribution type alternating current sampling device
08/18/2010CN101809452A Method and apparatus for monitoring power transmission
08/18/2010CN101806844A Test status recognition device and method for iron loss tester
08/18/2010CN101806843A Magnetic induction waveform control device and method for iron loss test probe
08/18/2010CN101806829A Power consumption testing device of active equipment and method
08/12/2010WO2010089438A1 Electric power consumption micro-meter
08/12/2010US20100204935 Connection error avoidance for apparatus connected to a power supply
08/12/2010US20100204934 Semiconductor device, power supply current measuring device and method of measuring power supply
08/12/2010US20100201348 Modular energy meter
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