Hello,
I am using the TIDM-02008 in open-loop voltage source inverter mode. Our DC input is 380V and AC output is 240Vrms.
When connected to a specific load that has an EMI filter and PFC front end, the system triggers an AC Over-Voltage after running for a few cycles. I modified a bit of SW to capture the vSqrSum value used in the "power_meas_sine_analyzer.h" file's POWER_MEAS_SINE_ANALYZER struct. It shows that in the final cycle that reads an RMS value over our threshold of 270Vrms the vSqrSum value is not being reset at the beginning of the measurement, instead starting with the previous value of around 41-42. This causes the final RMS value to be read as 330Vrms.
Is there any hardware situation that may cause this issue to begin occurring?
Are there any known issues with the POWER_MEAN_SINE_ANALYZER struct that may cause this?
Please let me know if more information is needed.