| 摘要 |
919,400. Transformers. ALLMANNA SVENSKA ELEKTRISKA A.B. May 3, 1961 [May 12, 1960], No. 15988/61. Class 38 (2). To selectively vary its leakage reactance a transformer has two axially movable ferromagnetic cylinders 4, 5 (as shown) between the primary winding 1 and secondary winding 2. The cylinders are slotted to prevent them acting as short-circuited turns. |
