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Understanding CBEMA and ITIC Curves for Voltage Event Analysis
This white paper explores the origins, structure, and practical applications of the CBEMA and ITIC curves, which are used to visually represent and assess voltage events affecting electronic equipment. It details the evolution from the original CBEMA curve, based on mainframe computer tolerances, to the more clearly defined ITIC curve, and explains how these tools help identify acceptable and problematic voltage conditions. Real-world examples illustrate how event data is plotted and interpreted using these curves.
Key topics include:
- CBEMA Curve
- ITIC Curve
- Uses
- Real World Example
Why utilities should care:
Visualizing voltage events with CBEMA and ITIC curves enables rapid assessment of power quality, helping to identify conditions that may cause equipment malfunction or damage. This supports proactive maintenance, improved reliability, and informed decision-making about voltage event mitigation.
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