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Background
Meter and CT is the Measuring device installed at the GCP (Grid Connection Point) of the
inverter system for detecting GCP data. For energy storage system, the functions such as
Battery Charge and Discharge, Working Mode, Export Control and Three-phase Unbalanced,
can only be achieved when the Measurement device is installed correctly.
The Meter/CT Self-Check function can identify whether there has problems with the Meter
and CT installation through the feedback of the power changes. After the installation is
completed, you just need to use this function, then you can troubleshoot the problems on
site.
What problems can be troubleshooted with Meter/CT Self-Check
Function?
Some problems can be corrected automatically, and others need to be manually adjusted by
the installer based on the error code displayed after the checking is completed.
(1) For the following Installation problems, the inverter will adjust the correspondence with
Measurement Device to Automatically Correct them:
①‘CT’ direction is reversed
②‘CT’ three phases correspondence is not correct
Note: Meter’s three phases correspondence problem can also be Automatically Corrected.
(2) These installation problems need to be Manually Corrected by the installer according to