CAJ | 학술논문

立式计算电容常用结构中，位于四根金属圆柱电极中轴线位置的两个屏蔽电极中的可动棒，会在移动前后的两个位置因所在的极间距不一致而引入最大的不确定度---端部效应误差。与国外普遍采用的改良型钉子头来进行补偿不同，现研制了一种带有过渡锥面的殷钢电补偿电极，通过调整加载在其中心隔离辅助电极上面的电压来达到补偿的目的。在同一个计算电容模型装置进行的同等条件下的模型对比实验证明，殷钢电补偿电极补偿效果比改良型钉子头好最大几十倍。
입식계산전용상용결구중，위우사근금속원주전겁중축선위치적량개병폐전겁중적가동봉，회재이동전후적량개위치인소재적겁간거불일치이인입최대적불학정도---단부효응오차。여국외보편채용적개량형정자두래진행보상불동，현연제료일충대유과도추면적은강전보상전겁，통과조정가재재기중심격리보조전겁상면적전압래체도보상적목적。재동일개계산전용모형장치진행적동등조건하적모형대비실험증명，은강전보상전겁보상효과비개량형정자두호최대궤십배。
In the usual structure of vertical cross capacitor, one fixed and another movable guard electrodes are loca-ted on the axis of four metal cylindrical electrodes. As the movable one moves from the lower position to the higher po-sition, the variation of the diagonal spacing will introduce the maximum uncertainty of end effect to the whole system. Different from the nosepiece adopted in many national institutes in the world, this paper develops one new invar elec-trical compensatory electrode with transition cone zone, in which a fraction of measuring voltage is applied to an isola-ted assistant electrode for compensating the end effect. The model tests on the same primitive calculable capacitor model device confirmed that the new invar electrical compensatory electrode performed maximum dozens of times better than the nosepiece.