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Understanding, Identifying, and Mitigating Voltage Sags for Improved Power Quality
This white paper explores the phenomenon of voltage sags, detailing their primary causes, impacts on end users, and effective monitoring and mitigation strategies. It highlights both natural and man-made sources, such as weather events and high inrush currents from motor starts, and discusses practical solutions including system maintenance, soft starts, and advanced monitoring tools. The paper emphasizes the importance of accurate diagnosis and targeted interventions to minimize operational disruptions and maintain power quality.
Key topics include:
- Introduction to Voltage Sags
- Causes of Voltage Sags
- Identifying Voltage Sags
- Impacts on End Users
- Mitigation and Prevention Strategies
- Monitoring and Analysis Tools
Why utilities should care:
Reducing voltage sags minimizes equipment downtime, prevents costly process interruptions, and enhances customer satisfaction. Effective monitoring and targeted mitigation improve system reliability, lower maintenance costs, and support regulatory compliance for power quality.
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