Dual VFDs versus bypasses: Engineers weigh in - Dual VFDs, bypasses, and spare VFDs: A look at costs, benefits, and design considerations.

Kuhlman, Tim | Online Contents | 2010

M-E Roundtable - VFDs, harmonics

Online Contents | 2008

VFDs coordinate Olympic Rings fountain

Online Contents | 1996

Medical suction: VFDs can cut costs and improve control

British Library Online Contents | 2010

Outdated VFDs Driving You Crazy? Analyze This!

Davies, G. / Rizk, Y. / Guiney, P. et al. | British Library Conference Proceedings | 2008