Grid Underfrequency

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The actual power grid frequency is lower than the standard requirement for the local power grid. This condition indicates an unstable grid frequency, which can cause the inverter to disconnect for protection.

• Power grid exception: The actual power grid frequency is lower than the standard requirement for the local power grid.
• The power grid may be abnormal temporarily.
• The grid underfrequency protection threshold is set incorrectly.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check whether the grid frequency is within the acceptable range.

2. 2

   Log in to the mobile phone app, SmartLogger, or NMS to modify the grid underfrequency protection threshold with the consent of the local power operator.