Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
05/2012
05/03/2012DE102010048186A1 Verfahren, Schaltungsanordnung und Überwachungsvorrichtung zur Signalprüfung Method, circuitry and monitoring device for signal checking
05/03/2012DE102010043291A1 Device for protecting charging cable utilized for charging electric car at charging station, has evaluation unit triggering switch when reaching threshold value, so that control lines assume voltage level of line to stop charging process
05/03/2012DE102010043254A1 Messsystem zur Überwachung mindestens einer Phase eines Systems Measurement system for monitoring at least one phase of a system
05/03/2012DE102010043116A1 Functional monitoring unit for monitoring functionality of current regulator utilized for controlling current flow over inductive load in safety-critical application, has diagnostic unit producing test signal that is output via interface
05/03/2012DE102004005776B4 Isolationsdetektionssystem für eine Anordnung aus mehreren Stapeln und Verfahren zur Detektion eines Fehlerzustandes Isolation detection system for an array of a plurality of stacks and method for detecting an error condition
05/02/2012EP2446516A2 Power distribution apparatus with input and output power sensing and method of use
05/02/2012EP2446449A1 Current-sensing resistor
05/02/2012CN202210140U Experimental device for life of alternating current contactor
05/02/2012CN202210127U Data acquisition analyzer of inverter air conditioner
05/02/2012CN202210121U Electric automobile cell current acquisition cirucit
05/02/2012CN202210120U Battery voltage acquisition circuit for electric automobiles
05/02/2012CN202210119U IEC61850 electronic current transformer measuring system apparatus
05/02/2012CN202210118U Current measurement circuit of wide-range electric energy meter
05/02/2012CN202210117U Large-range peak voltage digital display table
05/02/2012CN202210116U Lightning stroke size inductor system using Hall linear element
05/02/2012CN202210115U Residual current signal measuring circuit based on controlled silicon protection
05/02/2012CN202210114U Multifunctional electric leakage alarm
05/02/2012CN1299975B Voltage detection apparatus, cell residual voltage detection apparatus, voltage detection method and cell residual voltage detection method, electronic meter and electronic apparatus
05/02/2012CN102439468A Statistical formal activity analysis with consideration of temporal and spatial correlations
05/02/2012CN102439463A Wiring testing device
05/02/2012CN102437756A Electric device and a method for measuring the electromotive force of thedevice
05/02/2012CN102437598A Battery voltage and temperature sampling device
05/02/2012CN102436710A Anti-theft alarm method and device for street lamp cable with self-checking function
05/02/2012CN102435953A Power supply monitoring instrument of seismic data processing workstation
05/02/2012CN102435949A Method and device for monitoring battery module in measurement while drilling system
05/02/2012CN102435933A Automobile circuit fault discrimination method
05/02/2012CN102435912A Method for positioning fault disturbance point in power grid
05/02/2012CN102435898A Contamination observation system of power equipment
05/02/2012CN102435897A Method for filtering online monitoring data of arrester leakage current based on morphological principle
05/02/2012CN102435886A Test bed and test system for inverter of rail transit vehicle
05/02/2012CN102435885A Method, equipment and system for detecting actuating voltage of track switch machine
05/02/2012CN102435847A High-precision electrical parameter analyzer
05/02/2012CN102435844A Sinusoidal signal phasor calculating method being independent of frequency
05/02/2012CN102435838A Basic electric quantity type energy-efficiency data collecting terminal
05/02/2012CN102435835A Rms and envelope detector
05/02/2012CN102435833A Temperature compensator of Hall detection current sensor
05/02/2012CN102435832A Single-phase distribution transformer operation monitoring metering device
05/02/2012CN102435831A Portable detector for current and voltage of storage battery
05/02/2012CN102435830A Real-time wind power quality monitor
05/02/2012CN102435829A Optical voltage sensor and self-calibration method for realizing sensor
05/02/2012CN102435828A Isolated type circuit-voltage zero-crossing detecting circuit
05/02/2012CN102435827A Rogowski coil-based method and Rogowski coil-based device for detecting direct-current short-circuit current fault
05/02/2012CN102435826A Detection module for over-current value of protecting plate of lithium battery and detection method thereof
05/02/2012CN102435825A Motor overcurrent detection circuit
05/02/2012CN102435824A Capacitive low-voltage acoustic-optic electricity measurer
05/02/2012CN102435823A High-performance induction type electroscope
05/02/2012CN102435822A Piezoelectric ceramic-based electronic voltage mutual induction device
05/02/2012CN102435821A Detection method of three-phase inverter output line voltage
05/02/2012CN102435820A Overvoltage detection circuit
05/02/2012CN102435819A System for measuring and analyzing parameters of surface property of material based on dynamic method
05/02/2012CN102435818A Test method of high-precision dynamic comparator and test circuit thereof
05/02/2012CN102435817A Measuring method for gate voltage-1/f noise curve of MOS (Metal-Oxide Semiconductor) transistor
05/02/2012CN102435816A Working method of MOA (Metal Oxide Arrester) resistive current tester
05/02/2012CN102435815A Operating method of resistive current on-line monitoring system of metal oxide arrester (MOA)
05/02/2012CN102435814A Device for measuring arc voltage of direct current circuit breaker
05/02/2012CN102435813A Method for collecting current on low-voltage side of electric furnace transformer and relay protection device
05/02/2012CN102435812A Insulator leakage current collecting ring and insulator leakage current collecting device
05/02/2012CN102435811A Method for distinguishing subsynchronous modal signal diffusion
05/02/2012CN102435810A Method and device for detecting direct-current component in alternating current
05/02/2012CN102435171A Horizontal measuring instrument with current indicator
05/02/2012CN101672891B Main-contact electrical-contact state on-line detector for low-voltage circuit breaker
05/02/2012CN101609128B Method for testing comprehensive valence of electrolyte of vanadium redox battery and device therefor
05/02/2012CN101515024B Online low performing cell prediction and detection of fuel cell system
05/01/2012US8171456 Method for auditing compliance of an electronic platform and/or a computer program present on said platform, and device and computer program corresponding thereto
05/01/2012US8170817 Method and device for determining the electrical loadability of overhead lines by means of temperature measurement
05/01/2012US8169224 Power switch with an overcurrent protection device
05/01/2012CA2608167C Current sensor
04/2012
04/27/2012DE202012003625U1 Einrichtung zum Testen einer elektrischen Größe Means for testing an electrical quantity
04/26/2012WO2012053954A1 Device and method for function detection in a feed configuration
04/26/2012WO2012052868A2 Disaggregation apparatus
04/26/2012WO2012052584A1 Voltmeter using capacitive coupling in medium-voltage bushings and busbars
04/26/2012WO2011163331A3 Determining the state-of-charge of batteries via selective sampling of extrapolated open circuit voltage
04/26/2012WO2011152921A3 Apparatus and method for current sensing using a wire bond
04/26/2012US20120101765 Method of Identifying a Current Transformer Situated About a Conductor, and Associated Metering Device
04/26/2012US20120101760 Method of Enabling Calibration of a Current Transformer, and Associated Apparatus
04/26/2012US20120101751 Evaluation Method
04/26/2012US20120098521 Laundry treating appliance with voltage detection
04/26/2012US20120098519 Sensor assembly, trip unit including the same, and method of manufacturing a sensor assembly
04/26/2012DE19542899B4 Wechselstromsensor auf der Basis einer Parallelplattengeometrie und mit einem Shunt zur Selbstspeisung AC current sensor based on a parallel plate geometry and a shunt for self-supply
04/26/2012DE102011054339A1 Adaptive Iangsam veränderliche Stromerkennung Adaptive Iangsam variable current detection
04/26/2012DE102011053830A1 Integrierte mosfet-stromerfassung zur ladungsmessung Integrated mosfet current detection for charge measurement
04/25/2012EP2444817A2 Current detection circuit for a power semiconductor device
04/25/2012CN202205059U 一种地铁杂散电流监控装置 For Metro stray current monitoring device
04/25/2012CN202205053U 一种杂散电流监控系统 One kind of stray current monitoring system
04/25/2012CN202204893U 一种泄漏电流在线监测系统 One kind of leakage current on-line monitoring system
04/25/2012CN202204870U Full-automatic power consumption tester
04/25/2012CN202204869U 一种数显直流验电器 One kind of digital DC electroscope
04/25/2012CN202204868U 纯电动及混合动力汽车充电控制器的峰值电流检测装置 Pure electric and hybrid electric vehicle charging controller peak current detection device
04/25/2012CN202204867U 一种数字化测量电路 A Digital measuring circuit
04/25/2012CN202204866U 一种空调压缩机电流检测电路 An air compressor current detection circuit
04/25/2012CN202204865U 一种充电电流检测电路 A charging current detection circuit
04/25/2012CN202200856U Device for detecting voltage of storage batteries of direct current (DC)-alternating current (AC) locomotive
04/25/2012CN102426339A 一种电池组单体电池电压采集电路 A battery pack single battery voltage acquisition circuit
04/25/2012CN102426338A 便携式风电质量监测仪 Portable wind power quality monitor
04/25/2012CN102426301A 一种架空输电线路雷击闪络的预警方法 An overhead transmission line by lightning flashover warning method
04/25/2012CN102426293A 基于神经网络最小方均根的apf谐波检测系统及检测方法 Apf harmonic detection systems and neural network detection method based on the smallest root mean square
04/25/2012CN102426291A 一种单相多功能电量仪表及其测量方法 A single-phase multifunction power meter and measurement methods
04/25/2012CN102426288A Inverter tube current sampling circuit
04/25/2012CN102426287A 一种电力变压器偏磁直流的在线监测装置 A power transformer DC magnetic bias line monitoring device
04/25/2012CN102426286A Polarization voltage detection circuit used in electromagnetic flow meter
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