To provide an AC power transformer that can make a neutral point leakage current of a primary winding almost zero.SOLUTION: An AC power transformer includes a primary winding in which U, V, and W-phase windings 101u, 101v, and 101w are Y-connected, and the neutral point is grounded, a secondary winding having an A-seat on which the U-phase winding 102ua and the W-phase winding 102wa are roof-connected and a B-seat including a V-phase winding 102vb insulated from the A-seat, and a third winding in which U, V, Wand -phase windings 103u, 103v, 103w are delta-connected.SELECTED DRAWING: Figure 1
【課題】一次巻線の中性点漏洩電流をほぼゼロにすることができる交流電鉄き電用変圧器を提供する。【解決手段】U、V、Wの各相巻線101u,101v,101wをY結線し、中性点を接地した一次巻線と、U相巻線102uaとW相巻線102waをルーフ結線したA座および該A座とは絶縁されたV相巻線102vbから成るB座を有した二次巻線と、U、V、Wの各相巻線103u,103v,103wをデルタ結線した三次巻線と、を備えた。【選択図】図1
AC POWER TRANSFORMER
交流電鉄き電用変圧器
2019-04-25
Patent
Elektronische Ressource
Japanisch