電(dian)梯(ti)曳(ye)引(yin)機(ji)有(you)時(shi)做(zuo)正(zheng)功(gong)
，有(you)時(shi)做(zuo)負(fu)功(gong)。曳(ye)引(yin)機(ji)做(zuo)負(fu)功(gong)特(te)別(bie)是(shi)空(kong)載(zai)上(shang)行(xing)或(huo)負(fu)載(zai)下(xia)行(xing)時(shi)，它(ta)會(hui)處(chu)於(yu)發(fa)電(dian)狀(zhuang)態(tai)。目(mu)前(qian)
，電(dian)梯(ti)變(bian)頻(pin)調(tiao)速(su)係(xi)統(tong)對(dui)這(zhe)部(bu)分(fen)再(zai)生(sheng)電(dian)能(neng)的(de)處(chu)理(li)是(shi)通(tong)過(guo)“能耗製動方式”jijiazhuangzhidongdianzu，tongguodagonglvdianzufarexiaohaozhebufendianneng。zheyangbujinhuilangfeidaliangdianneng，tongshidianzufarehuiwurandiantizhoubianhuanjing，yingxiangdiantixitongdeshiyongshouming。PFE電梯專用能量回饋器采用先進的電力電子技術和高性能的IGBT作為開關器件，品質可靠安全，全智能運轉，簡單到無需客戶做任何操作。IPC加能PFE電梯專用能量回饋器采用電壓自適應控製
，即無論電網電壓如何波動，隻有當電梯機械能轉換成電能送入直流回路電容中時，PFE電梯專用能量回饋器才及時將電容中的儲能回送電網，有效解決了能量回饋。 IPC加能PFEdiantizhuanyongnenglianghuikuiqijuyoushifenwanshandebaohugongnenghekuozhangongneng，jikeyiyongyuxianyoudiantidegaizao
，yeshiyongyuxindiantikongzhiguidepeitao。xindiantikongzhiguicaiyongdiantizhuanyongnenglianghuikuiqigongdian
，bujinkeyidadajieyuedianneng
，haikeyiyouxiaogaishanshurudianliudezhiliang，dadaogenggaodedianweijianrongbiaozhun，gengyouwanshandeshouhoubaoxiufuwu
，weikehujiejueyiqiehouguzhiyou，yinianbaoxiu，zhongshenweihu。