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Understanding and Applying the GE Flicker Curve for Power Quality Analysis
This white paper explores the origins, development, and practical applications of the GE Flicker Curve (IEEE 141), a foundational standard for assessing voltage-induced light flicker. It details how human perception of flicker is measured, the factors influencing sensitivity, and how modern power quality analyzers utilize the curve to detect and report flicker events. The paper also examines common causes of flicker in power systems and demonstrates how customizable analyzer settings can help pinpoint and mitigate flicker issues.
Key topics include:
- Defining Flicker and Human Perception
- Development and Structure of the GE Flicker Curve
- Measurement and Reporting with Power Quality Analyzers
- Common Causes of Flicker in Power Systems
- Configuring Flicker Detection Parameters
Why utilities should care:
Accurately identifying and quantifying voltage fluctuations that cause perceptible light flicker is essential for maintaining customer satisfaction, regulatory compliance, and system reliability. Applying the GE Flicker Curve enables targeted mitigation of power quality issues and supports effective troubleshooting.
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