Prediction of the true harmonic current contribution of nonlinear loads using NARX neural network
This paper presents a method to predict the load current harmonics injected into micro grid power systems using Nonlinear Auto Regressive neural networks with eXogenous input (NARX neural network).
A.Y. Hatata, M. Eladawy
doaj +1 more source
INFLUENCE OF OPERATING CONDITIONS ON LOADS AND FATIGUE STRENGTH IN A ROD COLUMN OF PCP
The relevance of the research is caused by the need to increase the reliability and resource of progressing cavity pumps, used in complicated well operating conditions, since they have low reliability in comparison with electrical submersible pumps, that
Kamil R. Urazakov, Bulat M. Latypov
doaj +1 more source
A Study of Motor Bearing Fault Diagnosis using Modulation Signal Bispectrum Analysis of Motor Current Signals [PDF]
Failure of induction motors are a large concern due to its influence over industrial production. Motor current signature analysis (MCSA) is common practice in industry to find motor faults. This paper presents a new approach to detection and diagnosis of
Chen, Zhi +5 more
core +1 more source
Relevance. In the Khanty-Mansi Autonomous Okrug–Yugra, there are more than 89 thousand units of the total operational fund of oil wells. This allows for stable production of about 41% of Russian oil.
Vladimir Z. Kovalev +10 more
doaj +1 more source
Comparison of Induction and PM Synchronous motor drives for EV application including design examples [PDF]
Three different motor drives for electric traction are compared, in terms of output power and efficiency at the same stack dimensions and inverter size. Induction motor (IM), surface-mounted permanent-magnet (PM) (SPM), and interior PM (IPM) synchronous ...
Pellegrino, Gian-Mario Luigi +4 more
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On the Influence of Stator Slot shape on the Energy Conservation Associated with the Submersible Induction Motors [PDF]
Problem statement: A good design of Submersible Induction Motor is required to maintain maximum efficiency level. This can be achieved in one way by optimum design of magnetic circuit. The magnetic circuit of an Induction Motor is formed by the combination of Stator core, Rotor core and air gap.
openaire +1 more source
Thermal analysis of induction and synchronous reluctance motors [PDF]
In this paper, the thermal behavior of two induction motors (2.2 and 4 kW, four poles) and two synchronous reluctance motors [(SynRMs) transverse-laminated] are investigated and compared.
Staton, D. +10 more
core +1 more source
Integrated thermal and electromechanical processes model of a submersible induction motor
Relevance. More than 60% of oil wells in Russia are equipped with submersible electric centrifugal pumps. The tendency to increase the share of low- and medium-flow wells changes the operating conditions of submersible electric centrifugal pumps, which ...
Mikhail S. Ershov +2 more
doaj +1 more source
INTENSITY SETTER FOR A DEVICE OF SMOOTH START OF SUBMERSIBLE PUMP ELECTRIC MOTOR
Purpose. Development of an intensity setter, which in a rational law changes the opening thyristor the voltage regulator and effectively to changing power supply voltage stator windings of the electric pump deepening, ensuring a smooth start in a wide ...
V.I. Lobov, K.V. Lobova
doaj +1 more source
Modeling and testing of digital protection relay for an induction motor [PDF]
The project details the modelling of the induction motor SEL701 Relay in PowerFactory. In order to prove operational reliability, both off-line and on-line testing were implemented to verify the characteristic curve of the relay by measuring trip times ...
Cho, Sungmin
core

