Q : What is the function of the DC reactor and when should I choose it?
A: The DC reactor is located between the rectifier bridge and the capacitor to reduce the harmonic components in the input current, and reduce the surge current, so it can improve the power factor of the inverter. INVT GD20/GD350 series 18.5~110kW already built-in DC reactors, other series need to be equipped with external ones.
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