永磁直流電機

采用永磁體(ti)勵磁，減少了(le)勵磁繞組、電(dian)(dian)(dian)刷、集電(dian)(dian)(dian)環結構，避免了(le)傳統(tong)勵磁式發(fa)電(dian)(dian)(dian)機(ji)勵磁繞組易燒毀、斷線(xian)，電(dian)(dian)(dian)刷、集電(dian)(dian)(dian)環易磨損等故(gu)障(zhang)，使用性能更可靠。轉(zhuan)子不存在勵磁繞組、電(dian)刷、集電(dian)環等(deng)損(sun)耗部件(jian)，效率得到明顯(xian)提高(gao)，功(gong)率因數可(ke)維(wei)持(chi)在0.95以上，在負載波動(dong)的情(qing)況下可(ke)維(wei)持(chi)較(jiao)高(gao)力能水(shui)平，對(dui)于該裝備容量與負載匹配(pei)情(qing)況，綜合節電(dian)率可(ke)達15%以上。

永磁直流電機

1、改變了機械裝備的傳動模式，將永磁電機與機械負載融為一體，簡化機械裝備的傳動鏈，減掉傳統低速機械運行所需的龐大復雜的齒輪減速機，可減少許多制造成本與人力成本。
2、提供機械裝備傳動效率，永磁電機與異步電動機相比，本身效率與功率因數等力能指標有明顯的優越性，再加上取消了機械裝備的中間環節，大幅度的提供了傳動鏈的效率。
3、采用變頻起動，系統帶載起動能力強，切降低了大的起動點了給電網帶來的沖擊，同時也降低了傳動系統的機械沖擊。

?應用范圍

應用(yong)(yong)越發廣(guang)泛，包括艦艇及(ji)潛艇用(yong)(yong)永(yong)(yong)磁電(dian)機(ji)(ji)、坦(tan)克及(ji)裝甲車驅動用(yong)(yong)永(yong)(yong)磁電(dian)機(ji)(ji)、船用(yong)(yong)推進(jin)器永(yong)(yong)磁電(dian)機(ji)(ji)、航天用(yong)(yong)驅動永(yong)(yong)磁電(dian)機(ji)(ji)

可實現(xian)按需調(diao)節，降低無效能耗

電(dian)機低(di)負荷運(yun)行(xing)時(shi)，揚程和流量(liang)都有(you)較大余(yu)量(liang)問題，采用變頻(pin)調速(su)，可以根(gen)據(ju)實(shi)際的揚程和流量(liang)需求匹配電(dian)機的轉速(su)和運(yun)行(xing)數量(liang)，使機組實(shi)時(shi)高效運(yun)行(xing)，降低(di)無效能耗。

根(gen)據所用的(de)(de)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)材料不同，永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)分為(wei)鋁(lv)鎳(nie)鈷(gu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)、鐵(tie)(tie)(tie)氧體(ti)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)和稀(xi)土(tu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)。鋁(lv)鎳(nie)鈷(gu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)需要(yao)消(xiao)耗(hao)大(da)(da)量的(de)(de)貴重金屬、價(jia)(jia)格(ge)較(jiao)高(gao)，但(dan)(dan)對(dui)高(gao)溫的(de)(de)適應(ying)性(xing)好，用于(yu)環境溫度較(jiao)高(gao)或(huo)對(dui)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)的(de)(de)溫度穩定性(xing)要(yao)求較(jiao)高(gao)的(de)(de)場合。鐵(tie)(tie)(tie)氧體(ti)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)以廉價(jia)(jia)見長(chang)，且(qie)性(xing)能(neng)良好，廣(guang)泛用于(yu)家用電(dian)(dian)(dian)器、汽(qi)車(che)、玩具、電(dian)(dian)(dian)動(dong)工具等領域。用稀(xi)土(tu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)材料作磁(ci)(ci)(ci)(ci)極制(zhi)的(de)(de)稀(xi)土(tu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)，體(ti)積(ji)小且(qie)性(xing)能(neng)更好，但(dan)(dan)價(jia)(jia)格(ge)昂貴，主要(yao)用于(yu)航天(tian)、計算機(ji)(ji)(ji)、井下(xia)儀(yi)器等。但(dan)(dan)近些年(nian)出現(xian)了(le)新一代稀(xi)土(tu)永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)—釹鐵(tie)(tie)(tie)硼永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)，由于(yu)我國擁有世(shi)界80%以上蘊(yun)藏量的(de)(de)釹礦(kuang)資源，因此在價(jia)(jia)格(ge)上具有得天(tian)獨厚的(de)(de)優勢(shi)，高(gao)性(xing)能(neng)釹鐵(tie)(tie)(tie)硼永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)材料性(xing)價(jia)(jia)比大(da)(da)幅提升，使質優、價(jia)(jia)廉的(de)(de)釹鐵(tie)(tie)(tie)硼永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)在產業(ye)化生(sheng)產中(zhong)得到了(le)廣(guang)泛的(de)(de)應(ying)用，同時也促進永(yong)(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)無(wu)(wu)刷直流(liu)(liu)(liu)電(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)的(de)(de)性(xing)能(neng)與結構迅速發展。