Mo te kaiwhakahaere motuka dc, e whakapono ana kaore nga tangata katoa e tauhou, na te mea he maha nga wa i puta mai ai te ahua o te ao. Mo tenei, me mohio tatou ki tona whakarōpūtanga, ka awhina i muri mai. A i raro i te hanga iti ki te titiro ki te whakarōpūtanga o te pūmana motuka dc. 1. Dc generator pūmana: ko tenei ki te tahuri pūngao pūkaha ki te nāianei tika ki te pūmana nekeneke. Ko te nuinga o te waa e whakamahia ana mo te electrolysis, electroplating, electroforming, charging and ac generator controller of excitation power supply for dc motor controller. 2. Dc motor: koinei te kaiwhakahaere motuka o naianei ka taea te huri ki te kaha miihini. Tona papa autō stator, tona ia awhiowhio, me te whakamahi o te ia commutator rotor me te mara autō hangaia e te taipana noho tonu. Na roto i te korero i runga ake nei, ka taea e taatau te mohio ki te kaiwhakahaere motuka dc i roto i te nuinga ka taea te wehewehe ki te miihini dc me te kaiwhakahaere motuka dc. Na ka hiahia te kaiwhakamahi i te wa e kowhiri ana kia rite ki o raatau ake hiahia.
Ko te roopu HOPRIO he kaihanga ngaio o te kaiwhakahaere me nga motuka, i whakapumautia i te 2000. Te tari matua o te roopu i Changzhou City, Jiangsu Province.