卢树峰,蔡霁霖,周赣,杨世海,徐敏锐.直流偏磁对电流互感器的作用机理研究[J].电测与仪表,2014,51(14):. LU Shu-feng,CAI Ji-lin,Zhou Gan,YANG Shi-hai,XU Minrui.Action Principle of DC Magnetic Bias to Current Transformer[J].Electrical Measurement & Instrumentation,2014,51(14):.
直流偏磁对电流互感器的作用机理研究
Action Principle of DC Magnetic Bias to Current Transformer
The main purpose of this paper is to reveal action principle of DC Magnetic Bias to current transformers (CT). Firstly, a simulation method based on Preisach theory is presented and its validity is verified with the corresponding CT calibration experiments. Then, through the simulation and analysis of CT transfer characteristics under the action of multiple factors, such as DC magnetic bias, core material and secondary load, the action mechanism of DC Magnetic Bias are revealed step by step.
