A new virtual calibrator for instrument transformer is presented. A phase difference correction method is applicable to correct electronic instrument transformer.
介绍了一种新型的虚拟互感器校验仪，它采用相位差校正法解决了校验电子式互感器的问题。
2
The causes of deformation in welding of transformer tank and precautionary steps are expounded in this paper. Its correction methods are introduced.
分析了变压器油箱焊接时变形产生的原因，提出了预防焊接变形的措施，介绍了焊接变形的矫正方法。
3
Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.