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Maximize Data Accuracy: Choosing the Right Current Probe for Optimal Resolution
This white paper evaluates the performance of TLAR iron core clamps versus Flex CTs for current measurement with PMI recorders. It details the technical specifications, application scenarios, and the impact of analog-to-digital conversion and gain control on data resolution. The findings emphasize that TLARs offer superior resolution at lower currents, while Flex CTs are suited for high-current applications, and that selecting the lowest possible current range ensures the highest measurement fidelity.
Key topics include:
- Specifications of TLAR Iron Core Clamps
- Specifications of Flex CTs
- Understanding Full Scale Value and A/D Conversion
- Role of Gain Controllers
- Data Resolution Principles
- Application Scenarios: Low vs. High Current Monitoring
- Best Practices for Optimizing Current Resolution
Why utilities should care:
Accurate current measurement is critical for diagnosing power quality issues and ensuring reliable system operation. Selecting the optimal probe and current range enhances data resolution, enabling more precise analysis, efficient troubleshooting, and informed decision-making.
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