Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
06/2011
06/29/2011CN201886894U Adjustable low-voltage current transformer
06/29/2011CN201886893U Novel primary wire core of oil immersed erected current transformer
06/29/2011CN201886892U Novel ground shield device for oil immersed type current transformer
06/29/2011CN201886891U Medium voltage electrode shielding device for 5000kV sulfur hexafluoride (SF6) current transformer
06/29/2011CN201886890U Current transformer with multi-turn structure
06/29/2011CN201886889U Distributed adjusting panel structure of capacitance voltage transformer
06/29/2011CN201886888U High-voltage wiring device for voltage transformer used on combined electrical apparatus
06/29/2011CN201886120U Dynamic tester with function of isolating test signals and power supplies
06/29/2011CN201886112U Automatic wave-recording device of short current in DC amplitude voltage electric grid of ship
06/29/2011CN201886067U Online voltage harmonic monitoring system for wind farms
06/29/2011CN201886064U Battery management system and battery pack current sampling circuit in controller thereof
06/29/2011CN201886057U Aerial transformer load current meter
06/29/2011CN201886056U Test circuit capable of realizing isolation among power supplies, input signals and output signals
06/29/2011CN201886055U Full-range high-linearity analog signal buffer circuit
06/29/2011CN101707127B Oil-immersed inverted current transformer with function of insulation online monitoring
06/29/2011CN101521104B Full optical fiber current transformer adopting double closed loop control
06/29/2011CN101438174B Input by-pass circuit for a current probe
06/28/2011US7969140 Magnetic field sensor and electrical current sensor therewith
06/23/2011WO2011072934A1 Current sensor with a self-test function
06/23/2011WO2011072849A1 Method for the non-contact measurement of current, having adapted resolution
06/22/2011EP2335082A1 Method and apparatus for dynamic signal switching of a merging unit in an electrical power system
06/22/2011DE102010054832A1 Verfahren zur berührungslosen Weltbereichs-Strommessung mit angepasster Auflösung Method for contactless world-range current measurement with custom resolution
06/22/2011DE102009054943A1 Stromsensor mit Selbsttestfunktion Current sensor with self-test function
06/22/2011CN201877752U Error adjustment connecting box and capacitor voltage transformer with same
06/22/2011CN201877282U Current transformer case
06/22/2011CN201877280U Full-dry type capacitive high-voltage current transformer
06/22/2011CN201877279U Capacitor panel of current transformer
06/22/2011CN201877278U Secondary winding element structure for current transformers
06/22/2011CN201877276U Gas-insulating electronic voltage transformer
06/22/2011CN201876487U Optical current measuring sensor
06/22/2011CN201876486U Auxiliary error compensating structure for voltage transformer
06/22/2011CN201876485U Electronic transformer based on intelligent conditioning unit
06/22/2011CN102105959A Generator circuit breaker with fiber-optic current sensor
06/22/2011CN102105802A Transformer meter and system for using same
06/22/2011CN102103157A Direct voltage isolated sampling device
06/22/2011CN102103156A Digital current transformer and method for measuring current of AC (Alternating Current) transmission conductor
06/22/2011CN102103155A Numerical control isolation sampling device
06/22/2011CN101770855B Electronic combined transformer for digitalized power station
06/22/2011CN101424708B Optical voltage transformer
06/21/2011US7965162 Current sensor
06/16/2011WO2011072139A1 Magneto optical current transducer with improved outage performance
06/16/2011WO2011069825A1 Method and device for calibrating a voltage measurement on a driving circuit
06/16/2011WO2011069558A1 Fiber-optic current sensing using a sensor with exchangeable sub-modules
06/16/2011DE102010051007A1 Nebenschlusswiderstand und Herstellungsverfahren dafür Shunt resistor and manufacturing method thereof
06/16/2011DE102009058306A1 Electrical current detection device for use in low-voltage switching device, has evaluation unit with sockets and sensor with pins for signal transmission between sensor and evaluation unit, where sockets are designed as clamping plates
06/16/2011CA2783295A1 Magneto optical current transducer with improved outage performance
06/15/2011EP2333567A2 Device for measuring current
06/15/2011EP2333498A1 Sagnac interferometer-type fiber-optic current sensor
06/15/2011CN201868225U Voltage transformer with low dielectric loss factor
06/15/2011CN201868224U Intermediate voltage transformer provided with fuse
06/15/2011CN201868222U Cable plug type voltage transformer with fuses
06/15/2011CN201868221U Voltage transformer with fuse
06/15/2011CN201867443U Home appliance and mains supply strong current signal detection circuit thereof
06/15/2011CN201867442U Wide load current measurement controller
06/15/2011CN1928581B Online detecting method of silicon steel magnetic property, coil and system therefor
06/15/2011CN1696712B Electric current measuring arrangement, current sensor, electric tripping device and circuit breaker using such a current measuring device
06/15/2011CN102099695A Magnetoresistive sensor arrangement for current measurement
06/15/2011CN102098012A Detection and amplification device for micro current
06/15/2011CN102095913A Multi-functional portable auxiliary maintenance/detection pen for electrical appliances
06/15/2011CN101710138B Grid electrode photoelectric integrated sensor for measuring high electric field
06/15/2011CN101315395B Intelligent multifunctional measuring apparatus and method thereof
06/15/2011CN101294988B Optical fiber type electric mutual inductor
06/09/2011WO2011068205A1 Shunt resistor and method for producing same
06/09/2011DE202011004767U1 Vorrichtung zur Isolationsfehlersuche Device for insulation fault location
06/09/2011DE19819470B4 Verfahren zum potentialfreien Messen von Strömen durch die Aufzeichnung des von ihnen verursachten Magnetfeldes sowie Vorrichtungen zur Durchführung des Verfahrens A method for floating measuring currents through the recording of the magnetic field caused by them and apparatus for performing the method
06/09/2011DE102009056838A1 Verfahren und Vorrichtung zur Spannungsmessung Method and apparatus for measuring voltage
06/08/2011CN201859771U High-multiplying-power composite transformation ratio current transformer
06/08/2011CN201859768U Current transformer with plug-in slots
06/08/2011CN201859760U Totally-closed voltage transformer
06/08/2011CN201859759U Capacitance type voltage mutual inductor with error externally adjusting structure
06/08/2011CN201859210U Single-iron-core fluxgate and fluxgate single-axis sensor
06/08/2011CN201859209U Single iron core fluxgate and double-shaft sensor for fluxgate
06/08/2011CN201859168U Intelligent automatic conversion metering device
06/08/2011CN201859167U Analog quantity acquisition converter
06/08/2011CN102087915A Method for transforming secondary loop of voltage transformer of electric energy metering device
06/08/2011CN102087903A Double-face symmetric wired printed circuit board (PCB) type Rogowski coil
06/08/2011CN102087310A Shielding voltage measuring device for alternating current (AC) extra-high voltage
06/08/2011CN102087307A High precision full optical fiber current mutual inductor
06/08/2011CN101305284B Current transformer and electric energy meter
06/08/2011CN101090037B Manufacturing method for feed-through bar isolator of electricity meter mutual inductor
06/07/2011CA2329963C Fiber optic current sensor
06/03/2011WO2011065535A1 Current input transducer
06/03/2011WO2011064024A1 Circuit device and power circuit having the circuit device
06/01/2011EP2328387A2 Device for detecting the status of an electric fence
06/01/2011EP2243034B1 Electrical current sensor
06/01/2011EP1438592B1 Inductive current sensor for an electricity meter
06/01/2011DE102009047235A1 Schaltungseinrichtung und Leistungsschaltkreis mit der Schaltungseinrichtung Circuit, and power circuit with the circuit device
06/01/2011DE102004044588B4 Stromsensor Current sensor
06/01/2011CN201853571U Voltage transformer based on capacitance-resistance voltage division principle
06/01/2011CN201852931U Test circuit of analog residual current signal
06/01/2011CN201852874U Electronic voltage transformer
06/01/2011CN201852873U Bipolar current-voltage converting circuit
06/01/2011CN201852872U Multimeter with functions of ammeter
06/01/2011CN201852871U Capacitive voltage divider formed by printed circuit boards
06/01/2011CN102084259A 3-phase faraday optical current sensor assembly
06/01/2011CN102082024A External-expander capacitive voltage transformer and vacuum treatment method thereof
05/2011
05/31/2011US7952345 Inverted magnetic isolator
05/26/2011US20110121817 Method for increasing the availability of displacement/position measuring systems on the basis of potentiometers with a slider tap (iii)
05/26/2011DE112009000897T5 Prüf-und-Mess-Vorrichtung mit einem Pistolengriff Testing and measuring apparatus having a pistol grip
05/26/2011DE102009047042A1 Vorrichtung und Verfahren zum Messen eines Motorstroms eines Gleichstrommotors Apparatus and method for measuring a motor current of a DC motor
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