| 摘要 |
556,221. Automatic control systems for dynamoelectric machines. PARTINGTON, W., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. June 12, 1942, No. 8076. [Class 38 (iv)] Voltage.-To stabilize a carbon pile regulator CP, its operating coil CPC is in circuit with the regulated field winding AF of the machine A the voltage of which is controlled or with a winding AF2 inductively related to the field winding AF1. The invention is applicable to D.C. generators. A ballast resistor BR may be included. |
