Results 61 to 70 of about 645,823 (187)

Study of the asynchronous traction drive's operating modes by computer simulation. Part 1: Problem formulation and computer model [PDF]

open access: yesTransport Problems, 2015
In this paper, the problems arising from the design of electric locomotives with asynchronous traction drive (with three-phase AC induction motors) are considered as including the debugging of control algorithms.
Pavel KOLPAHCHYAN, Alexander ZARIFYAN Jr
doaj  

DIAGNOSTIC FEATURES RESEARCH OF AC ELECTRIC POINT MOTORS

open access: yesNauka ta progres transportu, 2014
Purpose.Considerable responsibility for safety of operation rests on signal telephone and telegraph department of railway. One of the most attackable nodes (both automation systems, and railway in whole) is track switches.
S. YU. Buryak   +3 more
doaj   +1 more source

A squirrel cage rotor position control using control vector and current control.

open access: yesRevista Tecnologia, 2009
The principle of vector control of AC machine enables the dynamic control of AC motors, and induction motors in particular to a level comparable to that of a DC machine.
Eber de Castro Diniz   +2 more
doaj  

Improved DTC of Induction Motor with Fuzzy Controller [PDF]

open access: yesE3S Web of Conferences
DTC, also known as Direct Torque Control, is a technique employed in variable frequency drives for regulating the torque and speed of three-phase AC electric motors. This method entails determining an approximation of the motor’s magnetic flux and torque
Manivasagam   +3 more
doaj   +1 more source

Metamodels for Optimum Design of Outer-Rotor Synchronous Reluctance Motor

open access: yesElectrical, Control and Communication Engineering, 2014
A new design of synchronous reluctance motor with segment-shaped outer rotor is presented and investigated in this paper. In order to obtain correct recommendations for optimal design of the studied synchronous reluctance motor, analytical relations of ...
Lavrinovicha Ludmila   +2 more
doaj   +1 more source

Impact of Parallel Operation of AC Traction Motors on Locomotive Performance

open access: yes, 2015
Presented paper deals with common problems of parallel operation of AC traction motors and presents some methods to investigate the basic impacts of the concept. A complex simulation model is introduced as well as results of simulations.
Matej Pacha, Jiri Stepanek
core   +1 more source

Magnetic field and rotor impedance analysis of solid rotor induction motors using the multilayer analytical method

open access: yesIET Electric Power Applications
This paper proposes a multilayer analytical model for calculating the magnetic field and equivalent circuit parameters of solid rotor induction motors (SRIM), and the B–H curve of rotor material is used to consider the influence of saturation effect of ...
Hao Xu   +3 more
doaj   +1 more source

Analytical model for ring winding axial flux permanent magnet motor using Schwarz–Christoffel conformal mapping

open access: yesIET Electric Power Applications
Recently, there has been a growing interest in new permanent magnet (PM) motor topologies. However, these newly developed PM motors are still in their early design stages and face various challenges.
Mohammad Bapiri   +2 more
doaj   +1 more source

Comprehensive Analysis of Alternative Magnet Configurations in a Biased‐Flux Machine

open access: yesIET Electric Power Applications
Biased‐flux motors are a type of electric machine that operate in an unconventional manner but can offer structural and performance advantages over more conventional topologies.
Mohammad Afrank   +4 more
doaj   +1 more source

Remote machine condition monitoring based on power supply measurements [PDF]

open access: yes
The most widely used rotating machines in the industry are three phase alternative current (AC) induction machines. With the advances in variable speed drive (VSD) technology, they have become even more reliable than their direct current (DC) counterpart.
Lapa, Raymond
core   +3 more sources

Home - About - Disclaimer - Privacy