Solar Lattice

Measurement

Energy counter drop to zero

ID
meas:energy-counter-zeroed
IRI
https://solarlattice.org/kb/meas/energy-counter-zeroed
Status
active
Also known as
Clear Energy, Reset Energy Data, Reset Energy, Meter Energy Reset

The signature is an inverter or meter energy total that falls back to zero, rather than continuing to accumulate. Inverter menus include a function that clears the stored historical yield and sets it back to zero. On an inverter status display, the daily and lifetime energy fields, E-Today and E-Total in kWh, then read 0.0. Revenue meters can show the date and time of the last energy reset, so you can check whether a zeroed counter matches a deliberate reset. Only maintenance personnel should use the clear function, because using it wrongly can stop the inverter from working properly. Programmable meter counters can also be set to reset to zero by a logic equation, and a status bit turns on when the counter value equals zero.

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Signals

Monitoring channels where this signature appears, named by SunSpec model point.

PointUnitPattern
model_103.WHW-HRStored or partial energy total suddenly returns to zero instead of rising steadily

Referenced by

Data