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介绍了一种应用自对相及相位自适应触发器的高精度低纹波晶闸管直流稳流电源 ,它的主电路采用两组三相桥式全控整流桥并联获得 12相脉波 ,其稳流精度很高而纹波含量较低 ,文中详细介绍了其工作原理 ,并给出了在 30 0 0A/ 2 0 0V晶闸管直流电源中的实际运行效果。
A high precision low ripple thyristor DC steady current power supply using self-phase-matching and phase-adaptive trigger is introduced. The main circuit of the thyristor DC power supply adopts 12 sets of three-phase bridge full-controlled rectifier bridge in parallel to obtain 12-phase pulse wave. The flow accuracy is high and the ripple content is low. The principle of operation is introduced in detail in this paper, and the actual operation effect in 30 000 A / 200V thyristor DC power supply is given.