SwRI-led sounder instrument deploys across lunar surface
Just hours after touching down on the surface of the moon on March 2nd aboard Firefly Aerospace's Blue Ghost 1 lander, the ...
Daily Express14d
The incredible world's deepest gold mine worth £155m and next to Africa's richest city
On the basin of the scarp, you'll find the Mponeng gold mine, which reaches over four kilometres below the surface, giving it the title of the world's deepest mine. It is so deep that a trip from ...
IEEE19d
Accurate Initial Rotor Position Estimation of SPMSM Based on DC-Link Voltage Dip Analysis
Abstract: This article proposes an initial rotor position estimation scheme for a surface-mounted permanent magnet synchronous ... voltage dips during each voltage injection at 0° to 360° electrical ...
eeworldonline20d
SMT varistor protects cir circuits from high-voltage transients
Bourns, Inc. announced its new Model ZV50S2220452NIR1 High Surge Multilayer Varistor. Offered in a compact 2220 surface mount package, these ruggedized multilayer varistors are specifically designed ...
IEEE23d
Effect of the DC-AC Switching Electric Field on Surface Electrical Properties of GIS Epoxy Spacer
Abstract: This paper explores the behavior of charge transport and the surface electrical properties of epoxy spacers within high voltage alternating current (HVAC) gas-insulated switchgear (GIS), ...