| 摘要 |
PURPOSE:To simplify an apparatus economically and enhance the efficiency of the apparatus, by providing a current transformer between the outside connecting terminals of an armature winding and an outside connecting appliance, and by introducing exciting current. CONSTITUTION:The primary winding 1 of a current transformer 7 is connected in series between the outside connecting terminals 3-5 of an armature winding 2 and an outside connecting appliance 6, and the secondary winding 8 of the current transformer 7 is connected in series between the outside connecting terminals 3-5 of the armature winding 2 and a rectifier 9. Exciting current is provided between the intermediate terminals 10-11, 12-13, 14-15 of the armature winding via the rectifier 9 through the outside connecting terminals 3-5 of the armature winding 2. |
