| 摘要 |
<p>A high voltage induction device (21; 30; 40) having core means (20; 31, 32; 41) comprising a solid closed magnetic core, an ac-winding wound (22; 33, 34; 42) on the closed magnetic core and magnetic means (23; 35, 36; 43) for increasing the H-field in the closed magnetic core. The magnetic means may comprise a permanent magnet (43) in the core or at least one auxiliary coil (23; 35, 36) connected to a dc-current source (24; 37).</p> |
