逻辑无环流可逆直流调速系统设计原理图

50%50%12电流反馈与过电流保护复位SBRP1RP2+15VTA1TA2TA324Ug5Uz6ugf7Uf+-50%50%50%R+15VRP1RP2RP3-15V-15VUsc+8910电流调节器ACR11告警IfKA+-50%50%50%R+15VRP1RP2RP3-15V+5643速度调节器ASR-++50%反号器ARRP1VD1VD3VD250%VD1VD3VD2零电平检测DPZ转矩极性鉴别器DPTM励磁电源G50%50%50%+15V-15VTG50%逻辑无环流可逆直流调速系统电路图ABC给定+15Vcw7815cw78150.1uF1uF0.33uF0.33uF50uF50uF+15V-15V12345678910111213141516KJ004KJ04150%50%30K6.8K0.047uF0.01uF1K5.1K1.5K15K10K10K0.047uF30K12345678910111213141516KJ00450%50%30K6.8K0.047uF0.01uF1K5.1K1.5K15K10K10K0.047uF30K12345678910111213141516KJ00450%50%30K6.8K0.047uF0.01uF1K5.1K1.5K15K10K10K0.047uF30K50%RP（同步)UsaUsbUsc12345678910111213141516KJ04112345678910111213141516+15V+15V+15VG1K1.Ua..UbUc.........ABCTRTS触发电路RP1RP2VT1VT3VT5VT4VT6VT2VT4VT6VT2VT1VT3VT5QSL1L2L3无环流逻辑控制器DLC三相正桥主电路三相反桥主电路UsaUsbUsc+15vUsc3G1K1+15v至反桥VT1至VT2至VT3至VT4至VT5至VT6至VT2至VT3至VT4至VT5至正桥VT6至VT1分别接到反桥各晶闸管阴极K和门极G分别接到正桥桥各晶闸管阴极K和门极G......KA1KA2KA3+15V+15VGK1GK2GK3GK4GK5GK6GK1GK2GK3GK4GK5GK6