Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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05/01/2013 | CN202917598U Edge cutting and edge voltage testing device for soft package lithium ion battery |
05/01/2013 | CN202917335U Multifunctional insulating operating rod |
05/01/2013 | CN202917281U Magnetic valve type electric reactor with wireless monitoring system |
05/01/2013 | CN202916337U Automatic range alternating-current and direct-current gearless digital voltmeter |
05/01/2013 | CN202916336U Low voltage alarm circuit of mobile power supply |
05/01/2013 | CN202916335U Three-phase current meter based on single-phase metering chip |
05/01/2013 | CN202916334U Voice safety prompting device for cable high-voltage holding test |
05/01/2013 | CN202916333U Zero sequence voltage detection device for 6-10kV circuit |
05/01/2013 | CN202916332U Radiation current sensor |
05/01/2013 | CN202916331U Current disorder monitoring device for security and protection system voltage regulating apparatus |
05/01/2013 | CN202916330U Current sensor used for static synchronous compensator |
05/01/2013 | CN202916329U DC voltage sampling circuit |
05/01/2013 | CN202916328U Current/voltage integrated-type measuring device |
05/01/2013 | CN202916326U Electronic current transformer |
05/01/2013 | CN103080756A 功率转换装置 Power conversion means |
05/01/2013 | CN103080754A Current sensor |
05/01/2013 | CN103078482A Overcurrent detecting circuit and frequency converter device with same |
05/01/2013 | CN103076560A Combined device for contactless type measurement through electrical testing equipment and application thereof |
05/01/2013 | CN103076544A Generator-set state-monitoring system |
05/01/2013 | CN103076522A Device and method for measuring tide directions of photovoltaic grid-connected power generation and commercial power |
05/01/2013 | CN103076502A System and method for collecting remote and synchronous measuring data of moving object target |
05/01/2013 | CN103076491A AC-DC (Alternating current-Direct current) universal power supply line detection method and circuit as well as device |
05/01/2013 | CN103076490A Alternating-current 220V input signal acquisition circuit |
05/01/2013 | CN103076489A Instantaneous overcurrent detecting circuit of optical fiber communication cascade type high-voltage inverter |
05/01/2013 | CN103076488A Non-contact-induction-type voltage tester |
05/01/2013 | CN103076487A Algorithm for sampling voltage peak in sudden change of load of high-power battery test equipment |
05/01/2013 | CN103076486A Wiring method capable of improving power supply feedback precision |
05/01/2013 | CN103076485A Medium-voltage power grid bus capacitance and current detection system |
05/01/2013 | CN103076484A Electrical testing system and method |
05/01/2013 | CN103076483A Low voltage detection circuit |
05/01/2013 | CN103076482A Motor current detection device and motor current detection method |
05/01/2013 | CN103076481A Three-phase integrated electronic transformer |
05/01/2013 | CN102411085B Alternating current collecting and merging device and alternating current collecting method |
05/01/2013 | CN102354427B method and device for flexibly identifying residual current-type electrical fire on line |
05/01/2013 | CN102135555B Series arcing fault identifying method for low-voltage system |
05/01/2013 | CN102034343B Data reporting method of power utilization information acquisition terminal based on random value |
05/01/2013 | CN102023262B Method for recognizing arc grounding overvoltage of 35 kV power grid |
05/01/2013 | CN102013343B Integrated-type operator |
05/01/2013 | CN101958960B Method, system and mobile phone for alarming abnormity of mobile phone battery between group members |
05/01/2013 | CN101888082B Residual current protector |
05/01/2013 | CN101881793B Alternating current power failure detection method and warning circuit |
05/01/2013 | CN101790689B Measuring and/or switching device |
04/30/2013 | US8433063 Horizontal copper patching assembly |
04/25/2013 | WO2013059721A1 Current monitoring for indicating condition of attached electrical apparatus |
04/25/2013 | WO2013057416A1 Method and device for analysing the quality of the electrical energy in a three-phase electric network |
04/25/2013 | WO2013056917A1 Battery system |
04/25/2013 | US20130103334 Method for Diagnosing an Operating State of a Contactor and Contactor for Implementing Said Method |
04/25/2013 | US20130103330 Phase-Level Power Management in an Information Technology Facility |
04/25/2013 | US20130099776 Wireless charging intensity indication method and charged device |
04/25/2013 | US20130099775 Current sensor |
04/25/2013 | US20130099773 High-voltage sensor with axially overlapping electrodes |
04/25/2013 | DE102012203348A1 Stromverbrauchsmessgerät, stromverbrauchsmessverfahren und nichtflüchtiges materielles maschinenlesbares medium hierfür Power consumption meter, power consumption measurement method and non-volatile material machine-readable medium therefor |
04/25/2013 | DE102012020515A1 Stromsensor und Verfahren zur Detektion eines stromlosen Zustands Current sensor and method for detecting an electroless state |
04/25/2013 | DE102011085090A1 Circuit device for measuring electric voltage in turning rate sensor, has capacitor formed between node and ground contact, and another node connected with voltage generator, where certain voltages are applied between nodes and contact |
04/25/2013 | CA2849963A1 Method and device for analysing the quality of the electrical energy in a three-phase electric network |
04/24/2013 | EP2583369A2 Method, sensor apparatus and system for determining losses in an electrical power grid |
04/24/2013 | EP2490031B1 Method and system for measuring an electrical quantity in an electrical network |
04/24/2013 | CN202906425U Reclosing device with two digital tubes for cycle display |
04/24/2013 | CN202906134U Power socket with function of leakage intensity indication |
04/24/2013 | CN202903903U Online apparatus of parallel compensation capacitor group of transformer substation |
04/24/2013 | CN202903871U Wireless electric energy saving monitor |
04/24/2013 | CN202903870U Ultra-low-power high-speed high-precision data acquisition system |
04/24/2013 | CN202903869U Household voltage monitoring device |
04/24/2013 | CN202903868U Electrification indication power supply circuit |
04/24/2013 | CN202903867U High voltage fixed distance accurate alarm device |
04/24/2013 | CN202903866U T-shaped-structure-connection electroscope |
04/24/2013 | CN202903865U Simplified sine wave sampling circuit |
04/24/2013 | CN202903864U Electric leakage current detection device of single-phase AC power supply circuit |
04/24/2013 | CN202903863U Four-wire current detection circuit for reclosing device |
04/24/2013 | CN202903862U Power supply voltage detection circuit for reclosing device |
04/24/2013 | CN202903861U Voltage middle regulation detection device for upper housing of non-contact sensor |
04/24/2013 | CN202903860U Differential signal detection apparatus |
04/24/2013 | CN202903859U AC current detection alarm circuit |
04/24/2013 | CN202903858U DC power supply input detecting circuit |
04/24/2013 | CN202903857U Electromechanical line pre-warning system |
04/24/2013 | CN202903856U 一种tmr电流传感器 One kind tmr current sensor |
04/24/2013 | CN202903855U A current sensor |
04/24/2013 | CN202903854U Current transformer |
04/24/2013 | CN103069284A Voltage sensing assembly and battery module employed with the same |
04/24/2013 | CN103068096A Light-emitting diode (LED) lamp, current sampling circuit and drive circuit of LED lamp |
04/24/2013 | CN103065883A Intelligent high-voltage direct-current relay |
04/24/2013 | CN103065442A Voltage monitoring system based on transformer station area phase sequence identification |
04/24/2013 | CN103064044A Hall displacement sensor magnetic steel detection device |
04/24/2013 | CN103064021A Measuring equipment and method of induction motor excitation parameter |
04/24/2013 | CN103063967A Switching room user identification method and switching room user identification device |
04/24/2013 | CN103063960A Household electric energy quality monitoring and control device |
04/24/2013 | CN103063907A Electronic type voltage transformer signal collection system |
04/24/2013 | CN103063906A Electric power switch cabinet wireless monitoring system |
04/24/2013 | CN103063905A Single battery voltage isolation detecting system |
04/24/2013 | CN103063904A Zero cross detection circuit |
04/24/2013 | CN103063903A Overvoltage computing method of modular multi-level converter |
04/24/2013 | CN103063902A Aluminum electrolytic cell anode voltage signal acquisition device |
04/24/2013 | CN103063901A Pilot frequency injection detection method of power grid ungrounded system busbar capacitance current |
04/24/2013 | CN103063900A 电流传感器 Current Sensors |
04/24/2013 | CN103063896A Sensor optical fiber ring and anti-vibration type Sagnac type full optical fiber current transformer |
04/24/2013 | CN103063895A Pliers-shaped anti-interference current transformer and transformer iron core grounding current testing system |
04/24/2013 | CN103063894A Miniature double-pole fast-cutting intelligent integrated electrode without damaging rock coupling and application method thereof |
04/24/2013 | CN102338827B Method for analyzing electric network waveform distortions and automatically monitoring electric power harmonic parameters |
04/24/2013 | CN102253275B Data sampler being universally used by voltage-type sensor and inductively coupled plasma (ICP) sensor |
04/24/2013 | CN102207517B Method for testing mean current of circuits by Farad capacitor |