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。
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。
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