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3 997 (0,135s) •

Result

Eccentrically mounted rotor pack and its influence on the vibration and noise of an asynchronous generator

on the stator and the rotor pack, on the time and air gap eccentricity. Attention has been and the rotor and the influence of the air gap eccentricity on the vibration and sound power eccentricity is also...

Mechanical engineering

  • 2015
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  • Jimp
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  • Link
Result

Methodology for experimental measurement of force acting on eccentric rotor of electric machine

The paper proposes an experimental methodology for measurement of forces acting on the rotor under special operational conditions. The influence of static eccentricity with different load applied on the rotor is investigate...

Electrical and electronic engineering

  • 2017
    • •
  • D
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  • Link
Result

Determination of the Force Caused by Broken Rotor Bar and Static Eccentricity in an Induction Machine

The paper deals with the force acting in the air-gap of an induction machine within unusual operating states, e.g. static eccentricity and broken rotor bar. Force operating states. First, the motor is under static eccentricity

JA - Elektronika a optoelektronika, elektrotechnika

  • 2014
    • •
  • D
    • •
  • Link
Result

Possibilities of Rotor Eccentricity Diagnosis

This article deals with fault diagnostics of induction machines and it is focused on rotor eccentricity examination. The fault diagnostic is currently a target of wide research activities. There is large number of diagnostic methods...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2008
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  • D
Result

Causes of rotor vibration of nuclear power station Temelin

The report calculate the forces, which creates thanks to rotor eccentricity of asynchronous machine. This machine drive the main circulating pump of nuclear power station....

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
    • •
  • O
    • •
  • Link
Result

A comprehensive approach to calculation of the air gap magnetic flux density in induction machines with eccentrically placed rotor

This article presents a possible way of calculation of air gap magnetic flux density in induction machines with eccentrically placed rotor. In the text a method of analytical calculation is presented and results are compared with fi...

JT - Pohon, motory a paliva

  • 2014
    • •
  • D
Result

Rotor Vibration Causes of Main Circulating Pump of Nuclear Power Station Temelin

The report calculate the forces, which creates thanks to rotor eccentricity of asynchronous machine. This machine drive the main circulating pump of nuclear power station....

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
    • •
  • Vsouhrn
Result

Influence of Eccentricity and Angular Velocity on Force Effects on Rotor of Magnetorheological Damper

rotor. The rotor is placed eccentrically and its motion is translate-circular. The amplitude of rotor motion is smaller than its initial eccentricity. The force effects variables of magnetic induction are...

Energy and fuels

  • 2018
    • •
  • D
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  • Link
Result

ANALYSIS OF ECCENTRICITY AND BROKEN ROTOR BAR FAULTS EFFECT ON THE INDUCTION MOTOR SPECTRUMS OF CURRENT AND STRAY FLUX

In this paper the analysis of effect of eccentricity and broken rotor bar faults on the spectrums of current and magnetic flux density outside the motor are presented. The behavior and origination of characteristic frequencies is pr...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2016
    • •
  • D
Result

Harmonic Analysis of the Forces Acting on Eccentrically Placed Rotor of an Induction Machine

The paper presents force analysis of an induction machine under static eccentricity. Forces acting on eccentrically placed rotor under different rotation angles are determined via Finite Element Analysis. Then Fast Fourier ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2014
    • •
  • O
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