AC three-phase such as 208V or 337V are used in many industrial vacuum pumps. Pumps may be powered by combustion engines which typically ... Oil-sealed pumps (also known as "wet" pumps) use oil to ...
A research team in the Netherlands investigated how copper planar air-core inductors can yield the required inductor properties to support sub-module power conversion in PV modules. The scientists ...
MOSCOW, December 17. /TASS/. Russia outlines its defense strategy amid preparations for a potential conflict with NATO; the EU introduces a fresh round of sanctions against Russia; and Syria moves ...