Variable speed limits (VSL) continue to be experimented with and at times are confusing to human drivers, meanwhile self-driving cars will readily accommodate VSL.

Variable speed technology allows for a much wider range of peak efficiency operation, which maximizes energy capture and minimizes the excessive loads placed on the turbine’s drive train.

It also proves the effectiveness of variable-speed drive (VSD) technology at optimizing chiller energy performance in all conditions, even high-load operations. It’s widely recognized that a chiller ...

INDOT said the new variable speed limit system will adjust speed limits based on traffic, roadway incidents, work zones and weather. The system is expected to go live on or about Sept. 10.

New signs displaying variable speed limits have been placed along a 15-mile section of northbound Interstate 95 south of Washington, intended to reduce the risk of crashes as vehicles approach ...

Variable speed drives are the usual way of approaching this goal. The typical way of controlling ac motor speed is with an inverter. The ac from the grid is first rectified to dc.

PennDOT has activated variable speed limit signs on the Schuylkill Expressway between Philadelphia and King of Prussia, a 14-mile highway stretch known for its poor traffic congestion. Now in the ...

Beginning next Monday, drivers will see new variable speed limit signs throughout a 10-mile stretch of U.S. Highway 97 south of Bend, ODOT said Wednesday.

Company: Embraco Product: Atom Description: The Embraco Atom is a compact variable-speed compressor for residential applications on the market. Weighing just 5.5 pounds and measuring less than 4.4 ...