Jan 9, 2010 08:55
14 yrs ago
English term
flicker
GBK
English to Catalan
Tech/Engineering
Energy / Power Generation
Definition from
NEMA Surge Protection Institute:
Slow variations in voltage that cause the light intensity in a fluorescent light to vary and give the impression of unsteadiness of visual perception.
Example sentences:
Flicker is a difficult problem to quantify and to solve. The untimely combination of the following factors is required for flicker to be a problem: 1) some deviation in voltage supplying lighting circuits and 2) a person being present to view the possible change in light intensity due to the voltage deviation. The human factor significantly complicates the issue and for this reason flicker has historically been deemed "a problem of perception." (grouper.ieee.org)
Voltage flicker tracking is essential for electric power quality analysis. The instantaneous voltage flicker magnitude, frequency and phase are estimated using Kalman filtering technique. (Acta Press)
This flicker is objectionable only when the magnitude and frequency of occurrence of the voltage drop exceed certain thresholds. (cipco.apogee.net)
Change log
Jan 8, 2010 13:22: changed "Kudoz queue" from "In queue" to "Public"
Jan 9, 2010 08:55: changed "Stage" from "Preparation" to "Submission"
Jan 12, 2010 09:57: changed "Stage" from "Submission" to "Selection"