Solar output exceeds 50 amps

[chefbodini]

What is the solution to monitor solar generation when it exceeds 50 amps?

We have a large rooftop array that is grid tied and the 200 amp CTs do show
what is being fed back to the grid but the 50 amp CTs monitoring the solar are not accurate.

Net production A and B are around 71 amps but the solar monitors are topping out at around 54 amps.

Is there a way to use a 200 amp CT on one of the 16 50 amp ports and change the scaling factor?

[chefbodini]

I wanted to follow up on this thread after hearing back from customer service. The 50 amp CTs are accurate up to 50 amps but will read up to 75 amps before becoming saturated. The closer to 75 amps, the less accurate the reading.

I also had messed up my install by connecting both power inputs to the same phase. I had assumed they used multiple power inputs for redundancy but this assumption was so very wrong. This will cause the unit to not measure energy production or use correctly. Once I corrected the install and used a separate phase for the power inputs, the units started measuring correctly.

The moral of the story… Follow the directions.

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