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Diagnostic of rotary rectifier failures appearing during an operation of the brushless excited synchronous machine
Designed diagnostic techniques search for anomalies in a harmonic spectrum of an excitation current of a direct-coupled exciter, which is a part of the brushless excited synchronous machine. The harmonic s...
Automation and control systems
- 2020 •
- Gfunk •
- Link
Rok uplatnění
Gfunk - Funkční vzorek
Výsledek na webu
Harmonic spectrum analysis of rotated exciter excitation current
The report deals with an analysis of a harmonic spectrum of a rotated exciter excitation current during break-downs of a diode rectifier, which is part of synchronous machine brushless exciter. On the base of the a...
Electrical and electronic engineering
- 2021 •
- O •
- Link
Rok uplatnění
O - Ostatní výsledky
Výsledek na webu
Optimization of sensor configuration for detecting the specimen response to ultrasonic harmonic excitation
Optimization of sensor configuration for detecting the specimen response to ultrasonic harmonic excitation...
JN - Stavebnictví
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
The issues of multiple-pole cylindrical rotor synchronous machine excitation winding
The paper deals with problems of cylindrical rotor synchronous machine excitation winding, its design and analyses of resulting excitation magnetic field. Furthermore it includes possibilities of suppression of harmonic com...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- D
Rok uplatnění
D - Stať ve sborníku
Systenm for harmonic excitation of resonance fatigue test
Digital computer controlled system for generation, measurement and amplification of single component harmonic signal. Based on the measured amplitude (force of the excitation signal is adjusted. The process variables are specimen os...
JG - Hutnictví, kovové materiály
- 2011 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
Non-proportional damping effect on dynamic response of footbridges
Presented article deals with dynamic response of a footbridge equipped with tuned mass dampers under vertical harmonic excitation.
JM - Inženýrské stavitelství
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Investigation of the steady-state flexural nonlinear vibration of rotors supported by fluid-film bearings harmonically and polyharmonically excited
Investigation of the steady-state flexural nonlinear vibration of rotors supported by fluid-film bearings harmonically and polyharmonically excite......
JQ - Strojní zařízení a nástroje
- 1999 •
- C
Rok uplatnění
C - Kapitola v odborné knize
Application of explicit formulation of damping force of polyurethane foam in case of harmonic kinematic excitation
Explicit formulation for damping force evaluation is applied for wide range of parameters of harmonical excitation in case of dynamical compression loading....
JR - Ostatní strojírenství
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
An Experimental Method for Predicting the Magnetic Properties of Ferromagnetic Materials Subjected to Harmonic Excitation
performed using systematically increasing harmonic excitation. The most important harmonics were selected and their dependence on the applied input voltage was approximated.Thus the waveform can be created from values of <...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Software for exciters calibration using at Ground Vibration Test
Exciter calibration is determining of exciter constant connecting in exciting loop. The method is established on the acceleration change measurement of a basic vibration system when the accurate mass is added......
JU - Aeronautika, aerodynamika, letadla
- 2009 •
- R
Rok uplatnění
R - Software
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