The development of a ratio tester for current transformer is introduced.
2
利用电子补偿方法，采用运算放大器和晶体管研制成了高精度、小变比电流互感器误差补偿装置。
Based on electronic compensation, the error compensation device used in high precision and small ratio current transformers is developed with operational amplifiers and transistors.
3
通过对雅可比矩阵的修正，引入了变压器变比的变化。
The changes of the transformer tap have been introduced through correcting the Jacobian matrix.
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