Results 11 to 20 of about 1,626,010 (166)

Performance of a centrifugal pump running in inverse mode [PDF]

open access: yes, 2004
This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads.
Parrondo, J   +4 more
core   +4 more sources

Research on the Multi-Angle Seismic Spectrum Response Law of Auxiliary Feedwater Electric Pumps

open access: yesApplied Sciences, 2023
The auxiliary feedwater electric pump, which is vital in nuclear power units, demands exceptional seismic reliability. The impact of the seismic excitation direction on the seismic response of the complex auxiliary feedwater electric pump structure ...
Zhongxu Tian   +3 more
doaj   +1 more source

Optimization of reactive power consumption regimes by the electric centrifugal pumps installations [PDF]

open access: yesMATEC Web of Conferences, 2018
The purpose of the article is to determine the optimal parameters inside the downhole compensator of the reactive power at which minimization consumption of active power is provided. The energy-saving function for electric effect estimating with the use of the downhole compensator is propoused. Surfacing energy-saving functions are received.
Kopyrin Vladimir   +2 more
openaire   +2 more sources

REVIEW AND CRITICAL ANALYSIS OF THE CURRENT STATE AND WAYS TO IMPROVE REGULATED POWER SUPPLIES AND AUTOMATIC CONTROL SYSTEMS FOR ELECTRIC CENTRIFUGAL PUMPING UNITS IN INTERMITTENT OPERATION OF OIL WELLS

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2023
Link for citation: Kladiev S.N. Review and critical analysis of the current state and ways to improve regulated power supplies and automatic control systems for electric centrifugal pumping units in intermittent operation of oil wells.
Sergey N. Kladiev
doaj   +1 more source

The investigation of motor current signals from a centrifugal pump for fault diagnosis [PDF]

open access: yes, 2014
In this paper, motor current signals from electrical control systems, rather than installing additional measurement systems, are characterised for the fault diagnosis of centrifugal pumps.
Chen, Zhi   +5 more
core   +3 more sources

Regulation of the temperature of an individual heat point by changing the speed of the asynchronous motor

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2021
THE PURPOSE. To develop and investigate a mathematical model of an operating object – an individual heat point with two methods of controlling the temperature of the coolant. In the first case, the control of the temperature of the coolant is considered,
T. V. Sinyukova, A. V. Sinyukov
doaj   +1 more source

DEPENDENCE OF AN ELECTRIC-CENTRIFUGAL PUMP HEAT STATE ON ENGINE ROTATION FREQUENCY

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
Relevance. Nowadays in the oil-producing fields of the Russian Federation the control stations of electric centrifugal pumps are widely used. They have the ability to change the engine speed.
Diana A. Saracheva   +2 more
doaj   +1 more source

EXPERIMENTAL STUDIES OF OPERATION OF A PNEUMATIC SPRING PRESSURE COMPENSATOR WITH QUASI-ZERO STIFFNESS

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
The relevance of the research is caused by vibration negative effect on the elements in the installation of the electric centrifugal pump. The presence of vibration increases the number of premature failures.
Аlеxеy N. Zоtоv   +5 more
doaj   +1 more source

Numerical Investigations on the Transient Performance of a Centrifugal Pump [PDF]

open access: yes
Centrifugal pumps are an integral part of plants used in process industries. The flow structure within a centrifugal pump is very complex due to the interaction between the rotating impeller and the geometric features around it.
Asim, Taimoor, Mishra, Rakesh
core   +3 more sources

ANALYSIS OF ELECTRICITY CONSUMPTION OF INDUCTION MOTORS OF IE1 AND IE2 EFFICIENCY CLASSES IN A 11 kW PUMP INSTALLATION

open access: yesElectrical engineering & Electromechanics, 2020
Purpose. Comparative analysis of energy consumption indicators of electric motors of different energy efficiency classes in an electric drive of a centrifugal pump with power of 11 kW of a water supply system with throttle regulation. Methodology.
S. Kh. Oshurbekov   +4 more
doaj   +1 more source

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