Both of them provide theoretical foundation for analyzing performance of grounding grids in powercurrent.
为分析工频电流下接地网的性能奠定了理论基础。
2
Several methods of measuring harmonic and reactive powercurrent are introduced and compared in this paper.
本文介绍了常用的几种谐波和无功电流检测方法，并进行了比较。
3
Powder instant prototyping is a technology for fast prototyping which based on the concretion or conglutination of the powder materials by powercurrent.