| Patents for G01R 25 - Arrangements for measuring phase angle between a voltage and a current or between voltages or currents (2,594) |
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| 03/05/2015 | US20150061761 Determination of envelope shaping and signal path predistortion of an et amplification stage using device characterisation data |
| 03/05/2015 | US20150061609 Reference signal generating circuit and method and power factor compensation apparatus having the same |
| 03/03/2015 | US8972215 Method and system for determining parameters of sinusoidal signals |
| 03/03/2015 | US8972214 Touch sense determined by characterizing impedance changes in a transmission line |
| 03/03/2015 | US8970226 In-situ VHF current sensor for a plasma reactor |
| 03/03/2015 | US8970204 Long range phasing voltmeter |
| 02/19/2015 | US20150051852 Systems and methods for swing angle estimation in an electrical power system |
| 02/16/2015 | CA2858611A1 Systems and methods form swing angle estimation in an electrical power system |
| 02/12/2015 | DE102013108454A1 "Verfahren zur Kalibrierung eines Kurzschlussanzeigers mit Richtungsbestimmung und Kurzschlussanzeiger zur Anwendung eines solchen Verfahrens" "Method for calibration of a short circuit indicator with determining direction and short circuit indicator to use such a method" |
| 02/11/2015 | CN204154812U Vcb核相小车 Vcb nuclear phase trolley |
| 02/05/2015 | DE102013215247A1 Verfahren und Vorrichtung zum Bestimmen von Strangströmen in einer Ansteuerungsschaltung Method and apparatus for determining phase currents in a driver circuit |
| 02/04/2015 | CN204142841U 一种三相电流不平衡监测系统 A three-phase current imbalance monitoring system |
| 02/04/2015 | CN204142836U 一种数字式相位检测装置 A digital phase detector |
| 02/04/2015 | CN204142828U 高压带电显示装置 High-voltage electric display device |
| 02/04/2015 | CN104330631A 一种磁浮平面电机动子初始相位定位方法 One kind of maglev planar motor mover initial phase positioning method |
| 02/04/2015 | CN104330630A 一种高精度模拟量相位差测量方法 A high precision analog phase measurement methods |
| 02/04/2015 | CN104330629A 一种运算量小的变电站母线电压瞬态相位角快速测量方法 A small amount of computation substation bus voltage fast transient phase angle measurement method |
| 02/04/2015 | CN102928803B 一种基于同步脉冲输出电源的电子式互感器校验装置 Based sync pulse output power electronic transformer calibration device |
| 02/03/2015 | US8948332 Method of static phase offset correction for a linear phase detector |
| 02/03/2015 | US8947167 Reference-less frequency detector |
| 01/29/2015 | WO2015011098A1 Method and device for measuring the modulus of electrical impedance |
| 01/29/2015 | US20150032397 Method for estimating dynamic power transmission line capacity by using synchronized phasor technology |
| 01/29/2015 | US20150028851 Method for controlling devices provided with communication function, and device used in implementing the method |
| 01/28/2015 | CN204131426U 带相位检测的高压脉冲发生器 Phase detection with high-voltage pulse generator |
| 01/28/2015 | CN204129123U 一种智能核相仪 An intelligent nuclear phase |
| 01/28/2015 | CN204129116U 一种片内信号间的相位检测电路 A phase detection circuit chip between the signals |
| 01/28/2015 | CN104316767A 一种远距离相位实时检测方法及装置 Phase one kind of remote real-time detection method and device |
| 01/28/2015 | CN104316766A 一种数字式相位检测装置 A digital phase detector |
| 01/28/2015 | CN104316765A 一种电网核相信号发生器 One kind of nuclear power phase signal generator |
| 01/22/2015 | US20150022180 Method and Apparatus for Phase Identification in a Three-Phase Power Distribution Network using Servers |
| 01/22/2015 | DE102013218645B3 Verfahren und Anordnung zum Ermitteln der elektrischen Eigenschaften einer Windenergieanlage Method and apparatus for determining the electrical properties of a wind turbine |
| 01/21/2015 | CN104297592A 一种三相分体式变压器绝缘监测信号集中采样装置 A three-phase transformer insulation monitoring signal split concentrated sampling device |
| 01/14/2015 | CN104280613A 一种片内信号间的相位检测与同步电路及其同步方法 Phase detection and synchronization circuit and an on-chip signal synchronization method between |
| 01/07/2015 | CN204086410U 智能核相仪 Smart nuclear phase |
| 01/07/2015 | CN204086396U 一种固话网络中电力相位采集存储装置 One kind of fixed-line network in the acquisition phase of the power storage device |
| 01/07/2015 | CN204086395U 由同一时钟源标定采样时刻的数字化相位核准装置 Calibrated by the same clock source sampling instant approval phase digitizing device |
| 01/07/2015 | CN102768303B 一种全光纤型电流互感器的初始相位差的测量方法 The initial phase of an all-fiber-type current transformer measurement methods |
| 01/07/2015 | CN102288803B 一种电能质量暂态扰动实时检测方法 One kind of real-time power quality transient disturbance detection method |
| 01/06/2015 | US8928287 Control apparatus, control apparatus network and control method |
| 01/01/2015 | US20150002186 Power grid outage and fault condition management |
| 12/31/2014 | CN204068970U 一种宽带电力线载波信道接入阻抗的测试系统 For broadband power line carrier channel access impedance test system |
| 12/31/2014 | CN204068746U 一种半桥同步整流电路 One kind of half-bridge synchronous rectification circuit |
| 12/31/2014 | CN104251932A 一种测量正弦电压信号的方法及其系统 A measuring sinusoidal voltage signal method and system |
| 12/30/2014 | US8924174 Determining power flow |
| 12/30/2014 | US8924173 Determining harmonics |
| 12/30/2014 | US8922192 Multiphase electrical power phase identification |
| 12/24/2014 | CN104237636A 交流市电矢量方向识别技术 AC power vector direction recognition technology |
| 12/24/2014 | CN102809690B 一种发射极耦合正弦积分鉴相器及检测方法 An integrator is coupled sine phase detector and detection method for transmitting |
| 12/23/2014 | US8917113 Phase detection device and phase detection method |
| 12/18/2014 | US20140369087 Determining a phase and a frequency of an electric quantity of an operating electrical device |
| 12/18/2014 | US20140368216 Measurement and System for Performing a Calibration |
| 12/18/2014 | US20140368185 Phase-locked web position signal using web fiducials |
| 12/17/2014 | CN204028234U 一种在线式电压自动核相监测装置 An online auto nuclear phase Voltage monitoring device |
| 12/17/2014 | CN204028227U 一种相位差测量电路 A retardation measurement circuit |
| 12/17/2014 | CN104215928A 开口式电流互感器电流变比和相位差的解析模型方法 The current transformer current ratio and phase difference between the analytical model method |
| 12/17/2014 | CN104215848A 一种温度试验中电缆测量误差的时域动态修正方法 When a temperature test cables domain dynamic measurement error correction method |
| 12/11/2014 | US20140361785 Fault Detection in Subsea Power Cables |
| 12/10/2014 | CN204008806U 一种用于铁路相敏轨道电路的轨道测试盘 Track test disc for a railway track circuit phase-sensitive |
| 12/10/2014 | CN104198815A 一种固话网络中电力相位采集存储装置 One kind of fixed-line network in the acquisition phase of the power storage device |
| 12/10/2014 | CN104198814A 由同一时钟源标定采样时刻的数字化相位核准装置 Calibrated by the same clock source sampling instant approval phase digitizing device |
| 12/10/2014 | CN104198813A 一种正交相关法测量超声换能器阻抗角的装置及方法 An apparatus and method for measuring ultrasonic transducer impedance angle orthogonal correlation method |
| 12/10/2014 | CN102692564B 局部放电超高频脉冲信号的相角测量方法及装置 Method and apparatus for measuring the phase angle UHF partial discharge pulse signal |
| 12/09/2014 | US8907702 System and method for a phase detector |
| 12/09/2014 | US8907655 System and method for detecting a fundamental frequency of an electric power system |
| 12/04/2014 | US20140354262 Lock detector for digital phase-locked loop |
| 12/02/2014 | US8903747 Isolating changes in dynamic systems |
| 12/02/2014 | US8903668 Alternator speed estimation using spectrum analysis |
| 12/02/2014 | US8901955 High speed buffer with high noise immunity |
| 12/02/2014 | US8901856 Detection circuit, power circuit, and luminaire |
| 11/25/2014 | US8896348 Semiconductor apparatus |
| 11/20/2014 | US20140343878 Method and Apparatus for Power Quality and Synchrophasor Monitoring on Power Lines |
| 11/18/2014 | US8892379 System and method for soft-field reconstruction |
| 11/11/2014 | US8886480 System and method for signaling in gradient sensor devices |
| 10/21/2014 | US8866511 Matrix phase detector |
| 10/14/2014 | US8860478 Phase-locked loop with loop gain calibration, gain measurement method, gain calibration method and jitter measurement method for phase-locked loop |
| 10/14/2014 | US8860467 Biased bang-bang phase detector for clock and data recovery |
| 10/07/2014 | US8856571 Adjusting device performance over multiple time domains |
| 09/25/2014 | US20140285211 Self-Test Solution For Delay Locked Loops |
| 09/25/2014 | US20140285106 Detection Circuit, Power Circuit, and Luminaire |
| 09/23/2014 | US8843334 Utility metering |
| 09/23/2014 | US8841899 Electro-magnetic tomography using modulated signal |
| 09/16/2014 | US8836373 Phase difference quantization circuit, delay value control circuit thereof, and delay circuit |
| 09/11/2014 | US20140253095 Phase detecting system for three phase alternating current |
| 09/11/2014 | US20140253091 Determination device, determination method, and non-transitory recording medium |
| 08/21/2014 | US20140232373 Method and device for detecting zero phase component |
| 08/19/2014 | US8810270 Wafer probe station capable of actively controlling tilt of chuck and controlling method thereof |
| 08/13/2014 | CN203772958U 无线钳形相位检测装置 Wireless pincers phase detection device |
| 08/13/2014 | CN103983853A 一种高压电缆交叉互联系统相位检查方法 A high voltage cable cross interconnected system phase inspection methods |
| 08/13/2014 | CN102928666B 一种交流电的相位差的数字化测量方法 Method for the digital measurement of the phase difference of the alternating current |
| 08/13/2014 | CN102809688B 一种基于迭代傅里叶变换计算三相电压实时相位的方法 A real-time phase-phase voltage calculation method based on iterative Fourier transform |
| 08/13/2014 | CN102798748B 一种基于迭代傅里叶变换计算交流电压信号幅值和相位的方法 An iterative method based on Fourier transform calculation AC voltage signal amplitude and phase |
| 08/13/2014 | CN102735935B 基于微机械硅基悬臂梁的相位检测器及检测方法 Micromachined silicon cantilever phase detector and detection method based on |
| 08/13/2014 | CN102735932B 基于微机械砷化镓基固支梁的相位检测器及检测方法 The phase detector micromachined GaAs substrate clamped beam and detection method based on |
| 08/12/2014 | US8803550 Dynamic high speed buffer with wide input noise margin |
| 08/06/2014 | CN203759102U 一种具备自动定相功能的高压带电显示器 One kind of phasing function with automatic high-pressure monitors charged |
| 08/05/2014 | US8798946 Method and arrangement for a digital subscriber line |
| 08/05/2014 | US8797018 Apparatus and method for identifying the phase and terminal for power system devices |
| 07/30/2014 | CN203745552U 一种数字化智能核相仪装置 A digital intelligent nuclear phase meter device |
| 07/30/2014 | CN203745541U 电力线路直流定相仪 DC power line phase meter |
| 07/29/2014 | US8791688 Method and apparatus for detecting the phase wiring of any arbitrary unknown phase voltage relative to a reference phase voltage |