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PM8000 - TDD output source
Metering & Power Quality
Schneider Electric support forum about Power Meters (ION, PowerTag, PowerLogic) and Power Quality from design, implementation to troubleshooting and more.
You can obtain TDD values from the Harmonic Measurement Modules.
For that, you need to:
- Set up the "Display Mode" as "Magnitude Outputs Displayed as Percentages".
- Set up the "THD Display Mode" as "Percentages"
- Link the "Max Demand" input to the source for the peak or maximum demand load current. The demand load current might be a fixed value (provided with an External Numeric Module or Arithmetic Module), or it could be a maximum value over a period of time, calculated with a Sliding Window Demand Module and a Maximum Module.
Under these conditions, the TDD would be the "Total HD" output in your Harmonic Measurement Module.