主動型電源模塊(ALM: Active Line Modules,又稱調節型電源模塊):整流/回饋單元,且直流母線電壓可調。主動接口模塊AIM(Active Interface Modules),AIM 安裝在電網和ALM 之間,它集成了濾波器、預充電回路及電源電壓監控電路。型號有:6SL3130-7TE21-6AA3,6SL3131-7TE21-6AA3,6SL3130-7TE23-6AA3,6SL3131-7TE23-6AA3,6SL3130-7TE25-5AA3,6SL3131-7TE25-5AA3,6SL3130-7TE28-0AA3,6SL3131-7TE28-0AA3,6SL3130-7TE31-2AA3,6SL3131-7TE31-2AA3,6SL3100-0BE25-5AB0,6SL3100-0BE28-0AB0,6SL3100-0BE31-2AB0,6SL3330-7TE32-1AA0,6SL3330-7TE32-6AA0,6SL3330-7TE33-8AA0,6SL3330-7TE35-0AA0,6SL3300-7TE32-6AA0,6SL3300-7TE33-8AA0,6SL3300-7TE35-0AA0