Safety precautions
10 NT 10000...NT 12000
In addition, the following protective equipment in accordance with overvoltage
category III is provided on the grid and the solar generator side:
Grid-side varistors
These protect the power semiconductors in case of high-energy, short-term
voltage peaks in the grid and dissipate the energy in the choke in case of a
grid disconnection.
Generator-side varistors
Varistors offer protection against atmospheric overvoltages (e.g. caused by
remote strikes during thunderstorms).
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