なみ直列 ちょくれつ変換 へんかん じゃありませんでした
namichokuretsuhenkan kija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 並直列変換器

1. Was not a parallel-series converter.; Was not a parallel-series transformer.

Past/Perfective
Negative
Polite
Terminal Form
Computing