A separately derived system (SDS) has no direct connection to other sources except through grounding and bonding. Grounding and bonding must be performed at the source, not on the load side, to ...
Ooops... Something went wrong while loading this page.
Abstract: Coal mining operations trigger geological hazards including ground subsidence, surface fracturing, and landslides, endangering resident safety and infrastructure in mining regions. To ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results