| 摘要 |
<p>An inductor is formed by four coils 9A, 9B, 9C and 9D arranged alongside each other and connected in parallel, adjacent coils being wound in opposite directions. The coils are supported against electromotive forces tending to pull them together by insulating strips 10. The coils are enclosed within an electromagnetic shield formed by a conductive cabinet 1. Because of the arrangement of the coils the magnetic field generated by them is confined to a region in the close vicinity of the coils and this reduces to a minimum losses which would otherwise occur as a result of the proximity of the shield. <IMAGE></p> |
