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Too many MQTT power reports #7684
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I assumed the powerdelta was calculated after applying the Power sensor resolution, but even so the math is off, in the example below, after setting the Power sensor resolution to 2, you can see that the report is triggered with percentages differences below 20% (the powerdelta is set at 20), some as little as 5%. Watt Diff |
At these low power values do not expect your hardware to be that accurate. The measured values may well be spreading even more. Try the same with at least a load of 20W and see what happens then. |
I understand that the values might be wrong, but aren't the calculations made with the wrong values? Ok instead of 1.2W real value, the hardware is reading 1.3 or 1.5 or 2W , isn't the 1.3, 1.5 or 2W the value used in the calculations? |
Can you tell me the # of issue that is duplicated ? |
Yes, no problem. I can do the search for you: #7515 As Theo has explained, below 5W, the power measurement is not accurate and very noisy (hardware limitation). Also, Tasmota uses the last 3 seconds of power data for reporting. Workarounds for your case: Closing this issue as it has been answered. Support Information (Guide)See Wiki for more information. |
I didn't know that the reports were an average of the last 3 seconds of data, in that case the behavior makes sense if trigger for the reports is the powerdelta % value of the live data and not the averaged data. |
PROBLEM DESCRIPTION
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In version 8.1.0, in some Blitzwolf BW-SHP8 I am seeing too many MQTT power reports for no reason(see console output below), with a powerdelta of 20, I get reports with no change of the active power (always 3)
REQUESTED INFORMATION
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Backlog Template; Module; GPIO 255
:Backlog Rule1; Rule2; Rule3
:Status 0
:(Please use
weblog 4
for more debug information)TO REPRODUCE
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EXPECTED BEHAVIOUR
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MQTT reports only active power differs 20%
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(Please, remember to close the issue when the problem has been addressed)
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