#author("2026-08-28T03:05:13+00:00","default:some","some") [[変圧器比誤差]] #author("2026-08-28T03:07:45+00:00","default:some","some") 変圧器比誤差 e = (Kn - K) / K × 100[%] Kn:公称値 K:新の倍率 倍率変換 K = Kn / (0.01×K + 1)