zsde Posted June 10, 2022 Share Posted June 10, 2022 In this video, we are discussing the requirements and rules for the choice of the RCD Type on the AC side of a PV-Inverter installation. Is there a mandatory Type-B requirement? This is a topic which is highly complex and very dependent on the individual situation. Let's look into the details. Quote Link to comment Share on other sites More sharing options...
Gin83 Posted September 10, 2022 Share Posted September 10, 2022 Wave Form RCD Types Explained Type A – ideal for circuits using AC and DC power. Type AC – trip on sinusoidal residual current. Type B – respond to higher frequency current. Type F – designed to provide protection against residual fault currents comprising composite frequencies. Category "B" is more current sensitive, which means it's fast And yes, you need a category "B" RCD Quote Link to comment Share on other sites More sharing options...
meetyg Posted June 26, 2023 Share Posted June 26, 2023 (edited) I didn't understand where the type B RCD is to be used, in an AIO Inverter. Roland talks much about this subject, but I suppose DC leakage could occur from both the AC IN and AC OUT. So where is it most important? Does it matter if the AIO can backfeed the grid ? I would appreciate your thoughts. Edited June 26, 2023 by meetyg Quote Link to comment Share on other sites More sharing options...
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