| 摘要 |
<p>CONTROLLABLE ELECTRICAL SINGLE-ARMATURE OR ROTARY CONVERTER Controllable electric rotary converter includes a drum armature winding having a plurality of partial coils, a multiplicity of electric switches consecutively connectible by a single pole with one of the input and output sides of the directcurrent side of the drum armature winding for transmitting a current therethrough, a plurality of induction coils connectible with the electric switches and energizable by the current.</p> |
