简介：AcalibratingdevicefortheRogowskicoilisdeveloped,whichcanbeusedtocal-ibratetheRogowskicoilhavingapartialresponsetimewithintensofnanoseconds.Itskeycomponentisastepcurrentgenerator,whichcangeneratetheoutputwitharisetimeoflessthan2nsandadurationoflargerthan300ns.Thestepcurrentgeneratoriscomposedbyapulseformingline(PFL)andapulsetransmissionline(PTL).ATEM(transverseelectromagneticmode)coaxialmeasurementunitisusedasPTL,andthecoiltobecalibratedandthereferencedstandardRogowskicoilcanbefixedintheunit.TheeffectofthedimensionsoftheTEMunitisdiscussedtheoreticallyaswellasexperimentally.

简介：AnovelpancakeRogowskicoilwithoutmagneticcoreisintroducedinthispaper.Owingtoitsspecialpancakewindingstructure,thecoilisoflowself-resistanceandhighself-inductance,andthushasexcellentlowfrequencycharacteristicintheself-integralmode.Moreover,becauseofitsuniqueinstallationmethod,thecoilhasaflexiblesensitivityandcanbeappliedundersituationswheretoroidalair-coreRogowskicoilsorprintedaircuitboard(PCB)coilsarenotavailable.TheparametersandperformanceofthepancakeRogowskicoilarepresented,andtheprincipleofshieldingisgiven.Measurementsofsteppulsecurrentandoscillatingpulsecurrentbythecoilarestudiedexperimentallytoillustrateitsgoodlinearity,reliableandflexiblesensitivityandexcellentfrequencycharacteristic,especiallyitsadvantageinlowfrequencycharacteristic.ThepancakeRogowskicoilcanbedesignedtoassumeround,squareorrectangleshape,andhasthusbroadprospectsinitsapplicationtothecurrentmeasurementinsuchareasasplasmaphysicsandpulsedpowertechnology.

简介：ARogowskicoilisdevelopedtodetectthenanosecondpulsesignalsofthedischargecurrentwithawidebandwidthof800kHzto106MHzandhighsensitivityof2.22V/A.Perfor-mancetestsshowthattheRogowskicoilhasbothexcellentdynamicandstaticcharacteristics.CalibratingresultsandthecomparisonbetweenthestandardcurrentshuntandthedevelopedRo-gowskicoilforthemeasurementofnanoseconddischargepulsesdemonstratethatthedevelopedRogowskicoilcanreproducetheactualwaveformofthedischargecurrentaccurately.

简介：世界领先的电流与电压测量元器件制造商莱姆（LEM）于10月14日宣布引进基于Per—fectLoop技术（专利申请中）的首台交流电流传感器系列部件。在标定之后，新型RT系列能够实现优于0．65％的绝对精度，其中包括位置误差，这样使得RT成为适合一级电力设备中所使用的首台开口型柔性Rogowski线圈。

简介：世界领先的电流与电压测量元器件制造商莱姆（LEM）日前宣布引进基于PerfectLoop技术（专利申请中）的首台交流电流传感器系列部件。在标定之后，新型RT系列能够实现优于0．65％的绝对精度，其中包括位置误差，这样使得RT成为适合一级电力设备中所使用的首台开口型柔性Rogowski线圈。

简介：【摘要】：本文通过分析Rogowski线圈运行原理，对工频电流断路器测试仪系统进行硬件设计，给系统功能应用打下坚实基础。

简介：基于Rogowski线圈的电子式电流互感器得到了广泛的应用，其中积分器对电子式电流互感器的稳定性和精度具有重要的影响。针对Rogowski线圈的积分算法分别提出了模拟和数字两种算法及其实现形式，从原理上给出了各自的传递函数，并对幅频、相频特性和性能进行了分析。结合实际应用设计了基于双线性变换数字积分算法的数字积分器，实验结果验证了该积分器的有效性和实用性。