Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
05/2011
05/25/2011EP2325958A1 Surge current detection device
05/25/2011EP2324363A1 Wide-range open-loop current sensor
05/25/2011CN201845653U Current transformer for supplying power for electronic device
05/25/2011CN201845652U Clamping current transformer
05/25/2011CN201845651U Miniaturized electromagnetic voltage transformer
05/25/2011CN201845037U Electric parameter wireless measurement device
05/25/2011CN102074344A Secondary winding group structure of current transformer
05/25/2011CN102072980A Optical fiber temperature compensator of electronic current transformer
05/24/2011US7948227 Electrical circuit diagnostic tool
05/19/2011WO2011058375A1 Current measuring apparatus
05/18/2011EP2321656A2 Method and apparatus for measuring direct currents flowing in an electric line
05/18/2011CN201838453U Voltage transformer
05/18/2011CN201838452U Electronic transformer simulator
05/18/2011CN201837679U Power supply device for electric energy meter
05/18/2011CN201837670U Universal meter
05/18/2011CN102066953A Test and measurement device with a pistol-grip handle
05/18/2011CN102064546A Circuit control system
05/18/2011CN102064014A Multi-turn inverted current transformer
05/18/2011CN102062800A Temperature compensated fiber optic current or magnetic field sensor with insensitivity to variations in sensor parameters
05/18/2011CN102062799A Vehicle mounted electrical isolation measuring circuit
05/18/2011CN101692401B Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation
05/18/2011CN101520471B Novel DC pulsed attenuator
05/17/2011US7944198 Multimeter
05/17/2011US7944197 Clamp meter with rotary mechanism for clamp jaws
05/13/2011CA2709513A1 Electrical switching module
05/13/2011CA2709508A1 Electrical switching module
05/12/2011US20110109300 Multi-range electrical current measurement
05/12/2011DE202011004187U1 Spannungsprüfsystem für Mittel- und Hochspannungsanlagen Voltage detection system for medium and high voltage systems
05/12/2011DE102009051999A1 Verfahren und Anordnung zur Überwachung eines Photovoltaik-Moduls Method and apparatus for monitoring a photovoltaic module
05/11/2011EP2319117A1 Method and device for numerically representing a voltage
05/11/2011EP1977258B1 Device for measuring dc current having large measurement variation, electronic assembly comprising such a measurement device and circuit breaker having such an assembly
05/11/2011CN201829340U Electric assembled mutual inductor
05/11/2011CN201829335U Outdoor box type 10kV voltage transformer
05/11/2011CN201828596U Series-connection voltage signal acquisition attenuating device
05/11/2011CN201828595U DC voltage signal isolating amplifier circuit
05/11/2011CN102057279A Magnetic field sensor measuring a direction of a magnetic field in a plane and current sensor
05/11/2011CN102053199A Digital optical fiber current sensor
05/11/2011CN102053196A Arc voltage testing device of pantograph catenary system
05/11/2011CN102053192A Digital multimeter including a ruggedized jacket
05/11/2011CN102053191A Electronic voltage transformer using data fusion technology and error calibration method thereof
05/11/2011CN102053190A Novel capacitance voltage-division type voltage transducer
05/11/2011CN101320055B Full optical fiber current sensor
05/05/2011WO2011051910A1 Device and method for detecting and processing signals relating to partial electrical discharges
05/05/2011US20110101960 Clamp jaw assembly
05/05/2011DE102010037237A1 Vorrichtung zum Messen von elektrischem Strom A device for measuring electric current
05/05/2011DE102009033126B4 Stromwandler für einen elektronischen Elektrizitätszähler Current transformers for electronic electricity meters
05/04/2011CN201820628U Electronic current and voltage transformer
05/04/2011CN201820625U Electronic voltage transformer
05/04/2011CN201819945U Isolated direct current (DC) bus voltage detection circuit for inverter air-conditioner
05/04/2011CN201819942U Digital pincher-like multimeter
05/04/2011CN201819941U Resistance voltage divider
05/04/2011CN201816611U Device for collecting high-voltage signals of train
05/04/2011CN102047127A Faraday optical current sensor arrangement
05/04/2011CN102044335A Capacitor voltage transformer with external error adjusting structure
05/04/2011CN102044334A Low-voltage transformer
05/04/2011CN102044136A Power collection device
05/04/2011CN102043215A Novel sensing optical cable of optical fiber current transformer
05/04/2011CN102043089A Isolation type voltage sensor
05/04/2011CN102043083A Giant magnetoresistance array current sensor
05/04/2011CN102043076A Voltage divider with intermediate voltage tap retaining plate
05/04/2011CN101692102B Power frequency zero-flux mini-current sensor for capacitive equipment dielectric loss on-line monitoring
05/04/2011CN101614766B Circuit for eliminating voltage measurement error of high voltage standard capacitor divider
05/04/2011CN101216508B Optical fibre electric current sensor all-optical fibre sensing head
05/03/2011US7936165 Current sensor
05/03/2011US7936164 Folding current sensor
04/2011
04/28/2011WO2011049161A1 Electrical junction box and current detecting device
04/28/2011WO2011011289A3 Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems
04/28/2011DE202009017022U1 Hybridelektronischer Stromwandler zur Strommessung in Energieversorgungsnetzen mit Gleich- oder Wechselstromsystemen Hybrid Electronic current transformers for current measurement in power supply systems with AC or DC systems
04/27/2011EP1546741B1 Integrated current sensor
04/27/2011CN201812669U Integrated high-voltage dry-type measuring box
04/27/2011CN201812668U Electronic type current and voltage combined mutual inductor of three-phase enclosed GIS (Geographic Information System)
04/27/2011CN201812664U Voltage transformer
04/27/2011CN201811989U Direct-current high-voltage indicating device
04/27/2011CN102037366A Optical voltage sensor
04/27/2011CN102034649A Circuit breaker embedded with low-voltage side electronic current transformer
04/27/2011CN102034599A Dry-type current transformer
04/27/2011CN102033150A Digital multimeter including a remote display
04/26/2011US7933752 Method, apparatus and computer program providing broadband preconditioning based on a reduced coupling for numerical solvers
04/26/2011CA2571140C A method and an apparatus for measuring voltage at a power switching device
04/26/2011CA2488518C Dry-type high-voltage load system apparatus and method of preventing chain breaking and arc discharge for use therewith
04/21/2011US20110089933 Combined electrical measurement device
04/21/2011DE112009001350T5 Anordnungen für eine Stromfühlerschaltung und integrierter Stromfühler Arrangements for a current sensing circuit and integrated current sensor
04/21/2011DE102009049599A1 Power factor correction circuit for use in power supply unit, has secondary winding connected with measuring resistor at which voltage signal proportional to transmitted current is tappable
04/20/2011CN201804703U Primary end structure of active electronic current transformer
04/20/2011CN201804702U Outdoor box-type 10kV current transformer
04/20/2011CN201804701U Laser power-supply type 110kV photoelectric current transformer
04/20/2011CN201804700U Laser energy supply-based electronic current transformer
04/20/2011CN201804699U Damper for capacitive voltage transformers
04/20/2011CN201804697U Dry-type electromagnetic unit of capacitor voltage transformer
04/20/2011CN201804696U Ultra-high voltage isoelectric shielding CVT
04/20/2011CN201804695U Secondary line-outgoing terminal sealing device of electric mutual inductor
04/20/2011CN201804037U Power supply distribution unit
04/20/2011CN201804036U Full optical fiber current transformer
04/20/2011CN102027381A Phasor estimation during current transformer saturation
04/20/2011CN102027314A High voltage measurement device using poled fibers
04/20/2011CN102024557A Electronic type current transformer
04/20/2011CN102024556A Self-adhesive hollow coil based electronic current transformer
04/20/2011CN102024555A Electronic voltage transformer
04/20/2011CN102024554A Harmonic elimination protector for electromagnetic potential transformer (PT) of three-phase electric network
04/20/2011CN102023283A On-line measuring method of accumulator capacity
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