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 ...

This simple tool built the foundation of classical art. Called the plumb line, it was seen in the hands of nearly every old master—from atelier studios to plein air painters—used to check verticals, ...

This video reveals the key swing change that finally unlocked a consistent draw. We break down the setup, path, and face control needed to eliminate slices and shape the ball with purpose. Using ...