BZDS係(xi)列(lie)子(zi)母(mu)雙(shuang)速(su)電(dian)機(ji)是(shi)由(you)兩(liang)台(tai)錐(zhui)形(xing)轉(zhuan)子(zi)電(dian)動(dong)機(ji)通(tong)過(guo)中(zhong)間(jian)慢(man)速(su)裝(zhuang)置(zhi)連(lian)接(jie)起(qi)來(lai)的(de)一(yi)種(zhong)複(fu)合(he)電(dian)機(ji)，其(qi)中(zhong)一(yi)台(tai)功(gong)率(lv)較(jiao)大(da)的(de)為(wei)主(zhu)電(dian)機(ji)，另(ling)一(yi)台(tai)功(gong)率(lv)較(jiao)小(xiao)的(de)為(wei)輔(fu)助(zhu)電(dian)機(ji)，當(dang)母(mu)電(dian)機(ji)接(jie)通(tong)電(dian)源(yuan)工(gong)作(zuo)時(shi)
，由(you)於(yu)子(zi)電(dian)機(ji)不(bu)接(jie)通(tong)電(dian)源(yuan)處(chu)於(yu)製(zhi)動(dong)狀(zhuang)態(tai)，慢(man)速(su)驅(qu)動(dong)裝(zhuang)置(zhi)不(bu)工(gong)作(zuo)
，此(ci)時(shi)母(mu)電(dian)機(ji)主(zhu)軸(zhou)輸(shu)出(chu)高(gao)速(su)；子zi電dian機ji工gong作zuo時shi
，由you於yu母mu電dian機ji不bu接jie通tong電dian源yuan其qi製zhi動dong器qi未wei脫tuo開kai，通tong過guo慢man速su驅qu動dong裝zhuang置zhi帶dai動dong母mu電dian機ji旋xuan轉zhuan，整zheng個ge機ji構gou靠kao子zi電dian機ji的de製zhi動dong器qi製zhi動dong，這zhe樣yang通tong過guo慢man速su驅qu動dong裝zhuang置zhi傳chuan至zhi母mu電dian機ji主zhu軸zhou輸shu出chu一yi個ge較jiao低di的de轉zhuan速su。