It is proved by experiment results that rational design and strict technics control play important roles for shortening the turn-on time of highfrequencythyristor effectively.
而实验结果证明只要设计合理，工艺上严格控制，就可有效地缩短高频晶闸管的开通时间。
2
The author bas joined in and auc- cessfully accomplished a PFM DC regulated power supply using highfrequency fast switching thyristor, which has been adopted in practical application.
笔者曾参与研制成功一种利用高频型快速晶闸管实现的PFM型直流稳压电源，已付诸实际使用。
3
A square-wave AC high-frequency welding power source is composed of the square-wave AC high-frequency generator and DC welding machine controlled by thyristor.