【摘要】 分析了电流互感器10%误差特性曲线测试原理、数据处理方法和基于最小二乘法曲线拟合技术绘制误差特性曲线的相关算法。根据测得的数据,求出最优拟合模型,再绘制该特性曲线,并通过微型打印机打印该曲线。采用多项式拟合曲线,可以发挥其便于计算和分析的优点,能够更好地反映电流互感器10%误差特性,使用方便。更多还原

【Abstract】 The test and fitting principle of CT ( Current Transducer ) 10%error curve ,the processing of acquired data and the algorithms relevant to the fitting technique based on least square are introduced.The optimal fitting model is derived from the measured data ,then the error curve is drawn and printed out.The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.更多还原