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)
03/2014
03/12/2014CN103635821A Method and apparatus for diagnosing faults in a battery pack, and power relay assembly using same
03/12/2014CN103635818A Current sensor
03/12/2014CN103633617A Overcurrent protection detection circuit applied to high-power motor drive chips
03/12/2014CN103632826A Current transformer and current detecting device
03/12/2014CN103630963A Anti-interference current-sensing optical fiber and current-sensing optical-fiber ring made of same
03/12/2014CN103630814A Insulating dielectric loss angle tendency online monitoring method of high-voltage cables under cross interconnection
03/12/2014CN103630792A Arrester resistive leakage current algorithm
03/12/2014CN103630780A Automatic test system and method for detector sensitivity optimal value and overload value
03/12/2014CN103630769A Online zinc oxide arrester monitoring instrument
03/12/2014CN103630766A Winding measuring instrument
03/12/2014CN103630737A Power meter and power measurement system with function of measuring duration time
03/12/2014CN103630736A MSP430 single chip microcomputer based on-line insulator leakage current monitoring device
03/12/2014CN103630735A Voltage slope change detection circuit and method
03/12/2014CN103630734A Full-voltage full-loop self-checking capacitive-type electroscope
03/12/2014CN103630733A Portable electroscope
03/12/2014CN103630732A Isolation passive high-voltage electrified indication device
03/12/2014CN103630731A Leakage current sampling device and leakage current sampling method
03/12/2014CN103630730A Current detection method
03/12/2014CN103630729A One-step wiring device and method for testing 1000kV lightning arrester reference voltage and leakage current
03/12/2014CN103630728A Pluggable multi-connected current sensor module
03/12/2014CN103630727A Load checking ammeter
03/12/2014CN103630726A Estimation method of battery polarization voltage in BMS (battery management system) sleep mode
03/12/2014CN103048534B Modular multi-level flexible direct-current sub-module voltage acquiring circuit and realizing method thereof
03/12/2014CN103033676B Extra-high voltage direct current insulator leakage current measuring system
03/12/2014CN102305890B Direct-current voltage detection method of submodule of flexible direct-current transmission system
03/12/2014CN102169155B Method and apparatus for monitoring electrical ground isolation in powertrain system
03/12/2014CN102157914B Half-wave rapid detection method for relay protection device
03/12/2014CN102118014B Adaptive load characteristic curve-based load over-current protection method
03/12/2014CN102064524B Electrical power system desynchronization and rapid disconnection judging method
03/12/2014CN101931046B Piezoelectric thin film element and manufacturing method of piezoelectric thin film element, piezoelectric thin film device
03/12/2014CN101907652B Damping circuit current measuring device of high-voltage direct-current power transmission thyristor
03/12/2014CN101907651B Main circuit current measuring device for high-voltage DC transmission converter valve
03/12/2014CN101588082B Charge-controlling semiconductor integrated circuit and charging apparatus
03/11/2014US8671293 Multi-core system energy consumption optimization
03/11/2014US8669772 Obscured feature detector housing
03/11/2014US8669758 AC voltage measurement circuit
03/11/2014US8669756 Test apparatus for a broadband telecommunication network
03/06/2014WO2014036030A1 System and method of protecting probes by using an intelligent current sensing switch
03/06/2014WO2014034230A1 Battery system monitor device
03/06/2014WO2014032698A1 Method and device for measuring weak inband interference
03/06/2014WO2014032430A1 High-frequency switch power supply and method for detecting high-frequency current
03/06/2014WO2014032395A1 Anti-interference switching value transmission circuit
03/06/2014WO2014032388A1 Current sampling method for shock load electric energy meter
03/06/2014WO2014032243A1 Current measurement system, optical current transformer and fixing device, and optical signal sampler and method therefor
03/06/2014US20140067299 System and method for electric load identification and classification employing support vector machine
03/06/2014US20140067298 Noninvasive monitoring of a photovoltaic system
03/06/2014US20140067292 Matching positive transitions in a time trace disaggregation process
03/06/2014US20140062512 Shock detector
03/06/2014US20140062460 Power measurement circuit
03/06/2014US20140062458 System and method of monitoring the waveform of the voltage of the electrical grid
03/06/2014US20140062454 Nanosensors including graphene and methods of manufacturing the same
03/06/2014DE102012215379A1 Einrichtung Equipment
03/06/2014DE102012107995A1 Verfahren zur Bestimmung der Leistungsfähigkeit einer Akkumulator-Einheit eines Fahrzeugs A method for determining the performance of a battery unit of a vehicle
03/06/2014DE102012107916A1 Verfahren zur Bestimmung eines Ersatzwerts einer primärseitigen Leistungsaufnahme eines Netzteils, Computersystem und Computerprogrammprodukt A method for determining a replacement value a primary-side power consumption of a power supply, computer system and computer program product
03/06/2014DE102005001180C5 Einpoliger Spannungsdetektor, insbesondere für oberirdische elektrische Leitung Single-pole voltage detector, in particular for overhead electrical line
03/05/2014EP2703829A1 Device and method for estimating the degradation of battery capacity
03/05/2014CN203466590U Mobile power supply capable of carrying out intelligent identification and caution display
03/05/2014CN203466090U Brake pull rod with electroscopic function
03/05/2014CN203465405U LED lamp distributed management system
03/05/2014CN203465400U Device for detecting internal resistance and voltage of lithium ion battery
03/05/2014CN203465364U Offshore power grid power distribution terminal energy source monitoring device
03/05/2014CN203465348U High-voltage sensing probe and intelligent high-voltage live sensor
03/05/2014CN203465347U Inductive current zero crossing detection circuit applied to boost power factor correction
03/05/2014CN203465346U Multifunctional transformer monitoring and control device
03/05/2014CN203465345U External voltage automatic detection and alarm circuit
03/05/2014CN203465344U High voltage electroscope
03/05/2014CN203465343U High-precision high-voltage sensor in high-voltage equipment
03/05/2014CN203465342U Passive type non-contact high-voltage indicator
03/05/2014CN203465341U High-common-mode-rejection battery pack voltage sampling circuit
03/05/2014CN203465340U High-voltage electricity inspection antiskid insulation safety operating lever for electric power system
03/05/2014CN203465339U Secondary winding current detection circuit based on source drive
03/05/2014CN203465338U Electronic fence pulse high voltage tester
03/05/2014CN203465337U Novel current probe
03/05/2014CN203465336U On-line monitoring device for grounding current of transformer iron core
03/05/2014CN203464953U Measurement system based on digital isolation
03/05/2014CN103620432A Battery state estimation device and method
03/05/2014CN103620424A System of intelligent sensors in an electrical panelboard
03/05/2014CN103620423A A system and method to calculate rms current and true power in a multidrop sensor network
03/05/2014CN103618300A High-sensitivity traveling-wave protection method for high-voltage direct current power transmission line
03/05/2014CN103617868A Magnetic circuit component of magnetism modulating voltage sensor
03/05/2014CN103617773A Exoelectron testing system and method for medium protecting film material
03/05/2014CN103616651A On-site verification apparatus for optical fiber current sensor
03/05/2014CN103616583A Lightning arrester on-line monitoring device
03/05/2014CN103616559A Battery voltage acquisition system and cascade system
03/05/2014CN103616558A Voltage collecting device suitable for active power distribution network
03/05/2014CN103616557A A voltage detecting circuit for single batteries in a series storage battery set, a detecting method for the same, and a detecting device for the same
03/05/2014CN103616556A Zero-cross detection circuit and detection method used for synchronous buck converter
03/05/2014CN103616555A Potentiometer, engine hand throttle control system and crane
03/05/2014CN103616554A Full self-check AC high-low voltage acousto-optic electroscope and self-check method thereof
03/05/2014CN103616553A Short circuit large current waveform fitting method
03/05/2014CN103616552A Sensing assembly of insulator leakage current
03/05/2014CN103616551A Terminal capable of accurately obtaining battery voltage in charging process and battery voltage obtaining method
03/05/2014CN103616550A Giant magnetoresistance current sensor
03/05/2014CN103616549A Broadband low-current measurement device based on isolated PCB-type Rogowski coil
03/05/2014CN103616548A Inverter welder output current detecting circuit and detecting method based on direct current signals
03/05/2014CN103612039A Inverter welder output current detecting circuit based on AC signal and detecting method
03/05/2014CN102645612B Method for distinguishing back flashover faults and shielding failure faults of power transmission line
03/05/2014CN102435822B Piezoelectric ceramic-based electronic voltage mutual induction device
03/05/2014CN102353833B Annular cavity all-fiber current sensor capability of eliminating temperature sensitivity
03/05/2014CN102213729B Optical fiber current sensing device and optical fiber current sensing system
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