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Unlock Accurate Load Assessment with Total Demand Distortion Reporting
This white paper explains the advantages of using Total Demand Distortion (TDD) over Total Harmonic Distortion (THD) for evaluating electrical system loads. By leveraging TDD reporting and graphing in ProVision 1.61+, users can compare actual system load against maximum demand, ensuring fairer assessments and compliance with IEEE 519 standards. The paper details the calculation, setup, and practical use of TDD data, highlighting how it normalizes for load variations and provides actionable insights for power quality management.
Key topics include:
- Introduction to Total Demand Distortion
- TDD vs. THD: Key Differences
- Generating TDD Reports and Graphs in ProVision
- Specifying Maximum Load and IEEE 519 Guidelines
- Initialization and Data Recording Requirements
- Comparing and Exporting TDD and THD Data
Why utilities should care:
Access to TDD reporting enables more accurate power quality analysis, prevents misinterpretation of high THD under low load, and supports compliance with industry standards. This leads to fairer system assessments, optimized equipment operation, and improved regulatory reporting.
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