Rob Spruce

7 Flips | 1 Magazine | 1 Like | 1 Following | @bobster31 | Keep up with Rob Spruce on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Rob Spruce”

Why Do We Care So Much About Power Factor Correction?

Power factor improvement // Power factor, as every electrical engineer should know, is defined as the ratio of real power to volt-amperes and is the …


New trains as Abellio scoops East Anglia franchise

Rail services in East Anglia will be transformed with a mas sive 1,043 vehicle order to replace Abellio Greater Anglia’s entire fleet - the first …

Rigid Catenary (or Overhead Contact System)

Sliding Doors