Abstract: Multiport hybrid dc circuit breakers (M-HCBs) have been recognized as suitable devices for protecting dc grids. Most M-HCB topologies include load current switch (LCS), leads to inevitable ...

Abstract: High-voltage switches composed of semiconductor switching components generally require a series stacked configuration, owing to limitations from the device voltage rating. In this ...

Welcome to the online classes at home with the theme diy wire jewelry - handmade copper jewelry - also hope to inspire more people. With simple steps and simple tools anyone can make their own ...

Simple bracelet with blue crystals - Handmade Jewelry Tutorials How to make handmade jewelry from copper wire This is a simple bracelet, you can mix beads with different colors and sizes as you like I ...