The Weir VSR 2100 - a new concept in high-pressure pumping

摘要

The Weir VSR-2100 Roto-Jet~® pump represents a significant development in the field of high pressure pumping. Weir's proven Roto-Jet~® pump has been mechanically integrated with a high performance SR Drives~® motor. The resulting system is approximately 40% of the size of the standard unit it replaces. The VSR-2100 Roto-Jet~® pump eliminates the need for a gearbox, two couplings and field alignment. The unit is able to utilise software within the controller to monitor loading on the pump. The first unit to be installed has been in continuous service at Drax power station in Yorkshire for over one year. This novel pumping arrangement has been developed over the past three years and combines a proven fluid end design with switched reluctance technology to create a revolutionary high-pressure pump system, replacing the conventional fixed-speed induction motor and step-up gearbox drive. This style of pump has a track record in demanding and difficult high pressure applications and the challenge was to bring to market a new system that would afford higher levels of reliability with improved efficiency, increased performance, and greater operational flexibility. The VSR 2100 pump combines the technology of a rotating case pilot tube pump with a switched reluctance drive system. The unique quality of these two technologies results in a high-pressure pump that is compact, rugged, has variable speed capability, and can be operated anywhere on its curve. To understand this unique pump, it is first necessary to understand the technology of the rotating case pilot tube pump and that of swilched reluclance systems.