DocumentCode :
1931093
Title :
Assessment of valve actuator motor rotor degradation by Fourier analysis of current waveform
Author :
Kueck, John D. ; Criscoe, James C. ; Burstein, Nissen M.
Author_Institution :
Oak Ridge Nat. Labs., TN, USA
fYear :
1992
fDate :
25-31 Oct 1992
Firstpage :
694
Abstract :
A motor diagnostic system report is presented. It uses motor current waveform Fourier analysis to detect broken motor rotor bars or driven equipment defects. The test was conducted on a motor driven valve actuator. This, in turn, drove a dynamometer that measured actuator output torque. The motor was gradually degraded by open-circuiting rotor bars. The test confirmed the efficacy of the waveform analysis method for assessing motor rotor degradation. It also provided changes in waveform characteristic data as motor rotors are gradually degraded to failure
Keywords :
Fourier analysis; electric actuators; electric motors; rotors; valves; Fourier analysis; actuator output torque; current waveform; degradation; dynamometer; equipment defects; valve actuator motor rotor; Actuators; Bars; Circuit testing; Corrosion; Degradation; Galvanizing; Magnesium; Rotors; Torque; Valves;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference, 1992., Conference Record of the 1992 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-0884-0
Type :
conf
DOI :
10.1109/NSSMIC.1992.301397
Filename :
301397
Link To Document :
بازگشت