Sentence examples for variable speed pumped from inspiring English sources

This paper presents the nonlinear control of a Fully-Fed Synchronous Machine based Variable Speed Pumped Storage Plant (FFSM PSP).

Europump and the Hydraulic Institute (HI) have published a new guide for designing, specifying and operating successful variable speed pumping systems for lowering energy, maintenance and life cycle costs.

If the cost/benefit analysis comparing constant and variable speed pumping systems favors using throttling valves, the next task is to select the right valve type for the application.

In this article from the USA, Charles G. Stolberg, Executive Director of the Submersible Wastewater Pump Association, describes some of the contributing components of the variable speed pumping system and how they interact with certain other components, and provides information to properly evaluate the advantages and disadvantages of applying such a design to submersible pumping equipment.

Where variable speed pumping systems are under consideration for a specific application, such as for a wastewater lift station, designers and end users need to understand and take into account various factors and design criteria in order to make an informed decision.

Direct current motors are used for variable speed pumps and emergency pumps.

The tailings flowrate controlled by a variable speed pump was used as the main control variable.

The common thermostat and mechanical pump are replaced by smart valves, variable speed pumps, and adjustable radiator fans.

The retrofit focused on waterside technologies: Variable frequency drives (VFDs), constant and variable speed pumps, and pressure-independent control valves.

Savings about 95% were obtained when one variable speed pump group was included in the optimal solution.

The proposed approach also offers better energy performance in general compared to the designs all using variable speed pumps.