葛荣尚 胡家为 黄慎仪.特大电流下电流互感器传变特性探讨(Study on transfer characteristics of current transformer under the condition of extrahigh current)[J].电力系统自动化(Automation of E1ectric Power System),2000,24(3):32-35.葛荣尚,胡家为,黄慎仪(Ge Rongshang,Hu Jiawei,Huang Shenyi),特大...
Method and device for measuring direct current magnetic bias error characteristics of current transformer本发明公开一种电流互感器直流偏磁误差特性测量方法及装置,依据等安匝原理,一次模拟电流分别为两个独立的工频电流源与直流电流源,利用标准CT检测被测量CT受到直流偏磁影响后的误差特性发生的变化,包括电流比较型误差...
transient error of cur-rent transformer d一onllLJ hL上gn『飞qlZ〔21、101 WLJe}〕o电流互感器暂态误差(transient erro:ofcurrent transformer)当一次电流发生突变时,电磁感应式电流互感器二次电流在暂态过程中出现的误差(比差和角差)。 误差来源电流互感器的暂态误差是电磁感应式电流互感器铁芯非线性特性引起的...
The transformer type superconducting fault current limiter is composed of a series transformer and a superconducting current limiting device. The primary winding of the transformer is connected in series to the power transmission line, and the secondary winding is short-circuited through the superconductin...
analysis of transient performance of current transformer's TPY core and with the help of computer software,the influence of each design parameter on the transient characteristics of TPY core is analyzed through actual example.Finally the transient performance of current transformer's TPY core is ...
3, due to auto-change windings by a winding and the common winding of two parts, one winding of the transformer primary winding turns than the general and the common winding turns and a high current and leakage reactance are generated by the corresponding decrease in auto-change short-circuit...
The Transformer Transmission of Electrical Power Transmission Rectification The conversion of alternating current (AC) to direct current (DC) This involves a device that only allows one-way flow of electrons semiconductor diode Half-wave Rectification allows one half of an AC waveform to pass through...
aIn such a way, those characteristics must be computed after the transformer assembling, taking as a basis the maximum absolute value in the magnetization current waveform in each winding, obtained from the no-load test. 在这样方式,在每绕必须在变压器聚集计算那些特征,采取为据最大绝对值在磁化当前...
The waveform characteristics of transformer magnetizing inrush and internal fault current are analyzed and a method to identify magnetizing inrush is presented.The internal fault current calculated by full-wave Fourier algorithm is close to that by half-wave Fourier algorithm.Contrastively,the magnetizing...
Study on Effect of Current Transformer and Its Secondary Cable to Travelling Wave Propagation Characteristic of Electric Power Lines Through the research on the traveling wave transform characteristics of the current transformers (CTs), a description method is proposed by using transfer ... Y Tang,Z...