Q : For INVT medium voltage VFD(MVD) how to calculate the input pluses?
A: INVT MVD principle is multi-level output;
Take 3kv voltage for example, each phase has 3 pcs power cells and each power cell has 6 pluses,so for 3kv MVD, the input pluses are 3*6= 18 pluses.
The formula is :Input pluses=6*N, the N is each phase power cell numbers.
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