Sentence examples for by a variable speed from inspiring English sources

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

The rotational speed of rotor is controlled by a variable speed generator, which can be measured by the power coefficient.

The aim of the flywheel is to smooth the net power flow injected to the grid by a variable speed wind turbine.

Exhaust air from a single pen was extracted by a variable speed centrifugal fan and passed through a humidifier and biofilter.

Three different topologies are proposed to control the torque and flux of a squirrel-cage induction generator (SCIG) driven by a variable speed wind turbine.

The emulator hardware is often built by a coupled motor as prime mover and controlled by a variable speed drive to the shaft of an electrical generator.

Substrate rotation is achieved by means of a variable speed DC gear motor used to rotate the substrate shaft.

This paper presents the capacitive VAr requirements of a three phase pole changing self-excited induction generator and a single phase self-excited induction generator, used as isolated power sources by a constant speed or a variable speed prime mover, to obtain the desired voltage regulation at various values of load and speed.

Simulation results revealed that the total solar fraction of the plant is increased by up to 11% when a variable speed solar loop pump is used to achieve a collector set-point temperature adjusted according to the building load demand.

The frequency of the spark is then controlled by rotating electrodes mounted on a variable speed motor.

The purpose of this work is to propose a novel approach for driving a variable speed mechanism by using a cam-controlled planetary gear train, and to investigate its feasibility by conducting prototype experiments.