Compared with traditional thyristor excitation system, the PWM excitation system using IGBT improved the performance obviously.
通过与传统可控硅励磁系统对比，采用IGBT实现的PWM励磁系统性能明显提高。
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.
该设备采用可控硅励磁直流发电机——直流电动机系统，具有取决于负载的弱磁调节装置。因此操作起来极为方便。
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。
In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor.
励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。
应用推荐