ABB YPK112A 3ASD573001A13 旋转晶闸管励磁系统

ABB YPK112A 3ASD573001A13 旋转晶闸管励磁系统

YPK112A 转子励磁系统如下图所示。旋转部分被虚线包围。该系统由交流励磁机、固定磁场和旋转电枢组成。励磁机的输出由全波晶闸管桥式整流器电路整流，并提供给主交流发电机励磁绕组。

交流发电机励磁绕组也通过另一个整流器电路供电。励磁机电压可以通过使用它的剩余磁通来建立。

电源和整流器控制产生受控的触发信号。交流发电机电压信号被平均，并直接与自动操作模式下的操作员电压调整进行比较。YPK112A 在手动操作模式下，交流发电机的励磁电流与单独的手动电压调节进行比较。

ABB YPK112A 3ASD573001A13 旋转晶闸管励磁系统

The following figure shows the YPK112A rotor excitation system. The rotation is surrounded by dotted lines. The system consists of AC exciter, fixed magnetic field and rotating armature. The output of the exciter is rectified by a full-wave thyristor bridge rectifier circuit and fed to the main alternator field winding.

The alternator field winding is also fed through another rectifier circuit. The exciter voltage can be established by using its residual flux.

Power and rectifier controls generate controlled trigger signals. Alternator voltage signals are averaged and compared directly to operator voltage adjustments in automatic operation mode. YPK112A In manual operation mode, the alternator excitation current is compared with a separate manual voltage regulation.

ABB YPK112A 3ASD573001A13 旋转晶闸管励磁系统

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