| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 01/02/2014 | DE102012211092A1 Battery system for vehicle, has comparator for generating alarm signal in response to comparison between battery module instantaneous voltage and predicted battery module voltage, where comparison is based on battery module parameters |
| 01/02/2014 | DE102012211088A1 Batteriesystem und Kraftfahrzeug mit Batteriesystem Battery system and motor vehicle battery system |
| 01/02/2014 | DE102012211086A1 Safety electronics unit for battery module of lithium ion battery system of e.g. electric car, has comparator producing alarm signal depending on comparison of voltage threshold value with battery module voltage lying close at module |
| 01/02/2014 | DE102012211084A1 Security electronics for battery cell of battery cell monitoring unit, has comparator which produces alarm signal in dependence of comparison of prognosticated battery cell voltage with battery cell momentary voltage |
| 01/02/2014 | DE102012211022A1 Method for controlling current for inverter, involves individually calibrating current measuring devices for correction of measurement errors, where current measuring devices are calibrated in operation of inverter in recurring manner |
| 01/01/2014 | EP2680014A2 Power quality diagnosis for power conditioning |
| 01/01/2014 | CN203377624U Communication lithium iron phosphate battery remote communication alarm device |
| 01/01/2014 | CN203376457U Portable electricity-testing needle |
| 01/01/2014 | CN203376430U Substation secondary control cable shielding current real-time monitoring device |
| 01/01/2014 | CN203376397U Fiber grating temperature self-compensation current sensor |
| 01/01/2014 | CN203376396U Driving circuit capable of improving accuracy of balance micro torque calibrator |
| 01/01/2014 | CN203376395U Electric parameter acquisition module for microprocessor protection, measurement and control |
| 01/01/2014 | CN203376394U Data acquisition device of multiple intelligent instruments based on HART protocol |
| 01/01/2014 | CN203376393U Power angle measurement data acquisition card |
| 01/01/2014 | CN203376392U Relay protection on-load inspection intelligent phasor analysis meter |
| 01/01/2014 | CN203376391U Pulse current measuring device with impedance matching connector |
| 01/01/2014 | CN203376390U Current true RMS detection circuit of motor soft starter |
| 01/01/2014 | CN203376389U Frequency-adaptive low-voltage power carrier communication zero-crossing detection circuit |
| 01/01/2014 | CN203376388U Overcurrent detecting circuit |
| 01/01/2014 | CN203376387U Over-voltage detection circuit and PFC circuit using the same |
| 01/01/2014 | CN203376386U Over-current detection circuit and PFC circuit applying the same |
| 01/01/2014 | CN203376385U Under-voltage detection circuit and PFC circuit applying the same |
| 01/01/2014 | CN203376384U Electromagnetic valve drive current monitoring circuit |
| 01/01/2014 | CN203376383U Double-core rod live display sensor |
| 01/01/2014 | CN203376382U Leakage current detection apparatus |
| 01/01/2014 | CN203376381U Charged situation indication device for high-voltage transmission lines |
| 01/01/2014 | CN203376380U Test pencil |
| 01/01/2014 | CN203376379U Intelligent high-voltage electriferous display locking device |
| 01/01/2014 | CN203376378U Modularized measure module system |
| 01/01/2014 | CN203376377U LED display circuit switch of live display |
| 01/01/2014 | CN203376376U Distribution network fault location data acquisition device |
| 01/01/2014 | CN203376375U Graded insulation electromagnetic type PT primary side current monitoring device |
| 01/01/2014 | CN203376374U Voltage sensing module based on photoelectric couplers |
| 01/01/2014 | CN103492893A Device and method for estimating the degradation of battery capacity |
| 01/01/2014 | CN103492892A Voltage sensing assembly and battery module having same |
| 01/01/2014 | CN103492888A Switch circuit, selection circuit, and voltage measurement device |
| 01/01/2014 | CN103492887A Current measurement for an electric heater |
| 01/01/2014 | CN103490699A Current measuring circuit and motor control device provided with the same |
| 01/01/2014 | CN103490240A Multifunctional power socket with electricity consumption monitoring and warning functions |
| 01/01/2014 | CN103487776A Error correcting method based on FPGA |
| 01/01/2014 | CN103487754A Wind power generation digital flickermeter for small-scale wind speed environment |
| 01/01/2014 | CN103487705A Quality control method for excitation characteristics of C-type iron core voltage transformer |
| 01/01/2014 | CN103487643A Intelligent non-contact voltage sensor and calibrating method thereof |
| 01/01/2014 | CN103487642A System and method for detecting voltage drop for superconducting energy storage system |
| 01/01/2014 | CN103487641A Multifunctional electroprobe |
| 01/01/2014 | CN103487640A Current monitoring method for enterprise electric equipment based on distributed type network |
| 01/01/2014 | CN103487639A 电流测量系统 Current measurement system |
| 01/01/2014 | CN103487638A Device and method for detecting and alarming low voltage of storage battery |
| 01/01/2014 | CN103487637A Electric device abnormal current monitoring system |
| 01/01/2014 | CN103487636A Cvt暂态过电压传感器 Cvt transient over-voltage sensor |
| 01/01/2014 | CN103487635A High voltage induction wireless electrified indicating device |
| 01/01/2014 | CN103487634A Intelligent electricity measurer |
| 01/01/2014 | CN103487633A Non-contact high-voltage line electroscope |
| 01/01/2014 | CN103487632A Shielded open loop type magnetic gathering ring-free tunneling magnetoresistive sensor |
| 01/01/2014 | CN103487631A Modulation-demodulation type current sensor |
| 01/01/2014 | CN103487630A High-end sampling battery voltage circuit |
| 01/01/2014 | CN103487629A Method and device for current measurement sensitive to all types of current |
| 01/01/2014 | CN103487628A Simple circuit for measuring voltage of each single cell in series-connected battery pack containing any number of cells |
| 01/01/2014 | CN103487627A Passive tower grounding lightning current intensity detector |
| 01/01/2014 | CN102565676B Automation measuring apparatus for crystal oscillator parameters |
| 01/01/2014 | CN102436710B Anti-theft alarm method for street lamp cable with self-checking function |
| 01/01/2014 | CN102288854B Switchgear fault current collection device |
| 01/01/2014 | CN102116788B Method for testing electric arc under high-speed electric sliding contact state |
| 01/01/2014 | CN102012487B Charging detection method and detector of battery |
| 01/01/2014 | CN101465449B Battery pack, portable device, internal short detecting method, and internal short detecting program |
| 12/31/2013 | US8620608 Intelligent electronic device and method thereof |
| 12/31/2013 | US8618839 Utilizing a sense amplifier to select a suitable circuit |
| 12/31/2013 | CA2598901C Method and system for state estimation in power systems |
| 12/27/2013 | WO2013189242A1 Protective circuit for high frequency heating device and high frequency heating device having same |
| 12/27/2013 | CA2875336A1 Electric power system waveform search |
| 12/26/2013 | US20130342227 Resistive structure and resistive voltage divider arrangement |
| 12/25/2013 | EP2677620A1 System and method for monitoring the waveform of the voltage of the electrical grid |
| 12/25/2013 | CN203368151U Power grid voltage detecting apparatus |
| 12/25/2013 | CN203368111U Charging voltage detection circuit for charger |
| 12/25/2013 | CN203367174U Electric control system of residual current operated circuit breaker |
| 12/25/2013 | CN203366868U Supporting insulator and voltage sensor |
| 12/25/2013 | CN203365654U Power supply self-detect circuit |
| 12/25/2013 | CN203365604U Current and temperature on-line fault indicator |
| 12/25/2013 | CN203365539U Potential detection sensor |
| 12/25/2013 | CN203365538U Photovoltaic power generation monitoring device |
| 12/25/2013 | CN203365537U Autoreclose circuit breaker leakage current detection circuit |
| 12/25/2013 | CN203365536U Voltage acquisition circuit of low-energy-consumption lithium ion battery |
| 12/25/2013 | CN203365535U Vehicle current collection system and car having same |
| 12/25/2013 | CN203365534U An electricity-test pen with an illuminating lamp |
| 12/25/2013 | CN203365533U Entire-loop AC self-check high-voltage electroscope |
| 12/25/2013 | CN203365532U Usb接口电压和电流测试仪 Usb Interface voltage and current tester |
| 12/25/2013 | CN203365531U Novel alternating-current and direct-current high-voltage electroscope |
| 12/25/2013 | CN203365530U On-line high-voltage detection apparatus |
| 12/25/2013 | CN203365529U Sensor device for detecting high-voltage current and voltage on line |
| 12/25/2013 | CN203365528U Device for on-line detection of high-voltage current |
| 12/25/2013 | CN203365527U Feeder cable jacket grounding current collector |
| 12/25/2013 | CN203365526U Frequency converter three-phase current detection circuit |
| 12/25/2013 | CN203365525U Power grid voltage detection device |
| 12/25/2013 | CN203365524U Electronic voltage transformer |
| 12/25/2013 | CN203365523U Electronic voltage transformer |
| 12/25/2013 | CN203365522U Detection circuit used for measuring multi-branch-circuit voltage parameters |
| 12/25/2013 | CN203365521U Current detection circuit and power control circuit |
| 12/25/2013 | CN203365520U Power supply current detection device |
| 12/25/2013 | CN203365519U Sampling device for high-voltage bushing electrified detection test |
| 12/25/2013 | CN203365518U Electronic mutual inductor with grooved iron core coil and resistance divider combination |