SMA SB 3300 Installation - Manual (Page 41)

SMA Solar Technology AG Commissioning
Installation Guide SB33_38-IEN111851 41
Maximum Frequency
In a third step, the inverter tests the maximum frequency.
During the test sequence, the frequency limit applied is
shown in the display of the inverter.
The frequency limit is reduced successively until the
shutdown threshold is reached and the inverter
disconnects from the grid.
Once the inverter has disconnected from the grid, the display successively shows the following values
one after the other:
• Disconnection value,
• Calibration value,
• Reaction time,
• Present grid frequency.