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31 686 (0,159s)

Result

Measurement of Flicker Visibility Threshold with Incandescent Lamps with the aim of Updating the Flicker Meter to LEDs

The light flicker meter defined in IEC TR 61547-1 is an algorithm designed to evaluate the severity of the flickering of light sources with respect to human irritation. The light flicker meter was...

Electrical and electronic engineering

  • 2023
  • O
Result

Light flicker of lamps caused by interharmonics

Flickers and interharmonics components of voltage have an inherent relationship. The aim of the paper is to describe formation mechanisms of light flicker of lamps interharmonic frequency curve and is called interharmonic-<...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2006
  • D
Result

A Light - flickermeter - Part I: Design

Voltage variation is one of lamps flickering main cause; thus evaluation of a disturbing light flicker is a part of voltage quality classification. The instrument for flicker level measurement by means of voltage v...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2010
  • D
Result

Sensing photohead for measurement of luminance flicker

Photohead is a microcontroller controlled unit which serves for monitoring temporal light modulation and assessment of risk of undesired light artefacts such as flicker or stroboscopic effect. The photohead will find its us...

Electrical and electronic engineering

  • 2024
  • Gfunk
Result

Experimental Evaluation and Classification of LED lamps for Light Flicker Sensitivity

The paper reports on the experimental evaluation and classification of LED lamps for light flicker sensitivity. After the description of the experimental setup designed for tests, a classification based on the driving circuits is pr...

Electrical and electronic engineering

  • 2018
  • D
  • Link
Result

Flicker caused by interharmonic components

cause of light flicker. From another point of view, any voltage fluctuation results or eventually voltage distorted by harmonics. Further, the origin of light flicker that causes fluctuation of lumi-nous flux of <...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2006
  • D
Result

Light flicker caused by interharmonics and interharmonic-flicker curves of lamps

Flickers and interharmonics have an inherent relationship. The aim of the paper-flicker curve. The interharmonic-flicker curves of lamps are determined by utilizing and by utilizing the published limits on voltage flick...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2006
  • Jx
Result

Extra Low Voltage DC Grid LED Lighting Systems: Photometric Flicker Analysis

The paper exposes the topic of LED lighting systems flicker. The topic of extra low voltage LED lamps flicker has not been much discussed yet. A variety of commercially available extra low voltage (ELV) lamps were tested wi...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
  • D
Result

Flicker caused by integer and non-integer harmonics

, it means voltage fluctuations, that cause flickering of light sources. Varying load can, this typeof disturbance is viewed as the principal cause of light flicker. From other side on the fundamental voltage. Ther...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2006
  • D
Result

Light flicker of lamps caused by interarmonic voltages

This work deals with the disturbing light flicker of lamps caused by voltage of resulting voltage variation. The second part is focused on the light flicker gain factor at flicker frequencies vs. frequency...

JE - Nejaderná energetika, spotřeba a užití energie

  • 2009
  • Jx
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