Glossary SMA Solar Technology AG
20 WB33_38-BA-BEN120930 User Manual
8 Glossary
AC
Abbreviation for "Alternating Current".
DC
Abbreviation for "Direct Current".
Derating
A controlled reduction in performance, usually dependent on component temperatures.
Varistor
The varistors protect the electronics in the inverter from atmospherically coupled energy peaks, such
as those that can occur when lightning strikes nearby.
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