The right mix of drivers and power generation

Voltz, D.A.; Beaver, Stan; McDonald, Chris

doi:10.1109/mia.2004.1353046

Cited by 1 publication

(2 citation statements)

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“…offshore. Traditionally, starting from the 1950's, gas turbines or engines were used for power generation and -by coupling to mechanical drivesfor load handling (Voltz et al, 2004). An alternative approach is to use electric power to supply machinery which manipulates the payload and to apply a separate energy source (typically gas turbines) for power generation.…”

Section: Historical Perspectivementioning

confidence: 99%

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Hydraulic vs. Electric: A Review of Actuation Systems in Offshore Drilling Equipment

Pawlus¹,

Choux²,

Hansen³

2016

MIC

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This article presents a survey on actuation systems encountered in offshore drilling applications. Specifically, it focuses on giving a comparison of hydraulic and electric drivetrains along with detailed explanations of their advantages and drawbacks. A significant number of industrial case studies is examined in addition to the collection of academic publications, in order to accurately describe the current market situation. Some key directions of research and development required to satisfy increasing demands on powertrains operating offshore are identified. The impact of the literature and application surveys is further strengthened by benchmarking two designs of a full-scale pipe handling machine. Apart from other benefits, the electrically actuated machine reduces the total power consumption by 70 % compared to its hydraulically driven counterpart. It is concluded that electric actuation systems, among other advantages, in general offer higher efficiency and flexibility, however, in some specific applications (such as energy accumulation or translational motion control) hydraulic powertrains are favorable.

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Section: Historical Perspectivementioning

confidence: 99%

“…This solution is the most popular nowadays. Normally, actuation types which take advantage of electric motors are variable frequency drives (VFDs) and hydraulic drives, as described by Voltz et al (2004).…”

Section: Historical Perspectivementioning

confidence: 99%