说明：  电路实质是两组三相半波整流电路的并联，加个平衡电抗器。双方星型减小电压脉动，消除变压器直流磁化问题。
(The circuit is essentially a parallel connection of two groups of three-phase half wave rectifying circuits, plus a balancing reactor. Both stars reduce voltage ripple and eliminate DC magnetization of transformers.)