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西門子直流電器6RA80勵磁電流大維修，故障維(wei)修處(chu)理(li);電(dian)(dian)(dian)力系(xi)統高(gao)次(ci)(ci)諧(xie)(xie)波(bo)的(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang) 目前,由于(yu)電(dian)(dian)(dian)力系(xi)統中應用(yong)的(de)(de)(de)(de)(de)(de)(de)大量(liang)非線性負載(例(li)如,電(dian)(dian)(dian)弧(hu)爐、高(gao)壓(ya)燈(deng)具、整(zheng)流(liu)器(qi)等(deng)) 的(de)(de)(de)(de)(de)(de)(de)存在(zai),使供電(dian)(dian)(dian)系(xi)統中存在(zai)著大量(liang)高(gao)次(ci)(ci)諧(xie)(xie)波(bo)和(he)閃變(bian)(bian)電(dian)(dian)(dian)壓(ya)。這些(xie)高(gao)次(ci)(ci)諧(xie)(xie)波(bo)和(he)閃變(bian)(bian)電(dian)(dian)(dian)壓(ya),對變(bian)(bian) 頻(pin)(pin)(pin)器(qi)的(de)(de)(de)(de)(de)(de)(de)正常工(gong)作產生了較大的(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang) (2)變(bian)(bian)頻(pin)(pin)(pin)器(qi)高(gao)次(ci)(ci)諧(xie)(xie)波(bo)的(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang) 另一(yi)(yi)方面(mian),變(bian)(bian)頻(pin)(pin)(pin)器(qi)本身在(zai)工(gong)作過程中,也會產生一(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)高(gao)次(ci)(ci)諧(xie)(xie)波(bo),該高(gao)次(ci)(ci)諧(xie)(xie)波(bo)竄入電(dian)(dian)(dian) 網(wang)以后(hou),對電(dian)(dian)(dian)網(wang)系(xi)統其他設備(bei)也會產生嚴重的(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang)。轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)控(kong)(kong)制(zhi)轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)是施加于(yu)電(dian)(dian)(dian)動(dong)(dong)機的(de)(de)(de)(de)(de)(de)(de)交流(liu)電(dian)(dian)(dian)源頻(pin)(pin)(pin)率(lv)(lv)(lv)與(yu)電(dian)(dian)(dian)動(dong)(dong)機速(su)(su)度(du)(du)的(de)(de)(de)(de)(de)(de)(de)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)，根據(ju)異步(bu)電(dian)(dian)(dian)動(dong)(dong)機穩定(ding)數(shu)學模型可知，當頻(pin)(pin)(pin)率(lv)(lv)(lv)一(yi)(yi)定(ding)時，異步(bu)電(dian)(dian)(dian)動(dong)(dong)機的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)磁轉(zhuan)矩正比(bi)于(yu)轉(zhuan)差(cha)率(lv)(lv)(lv)，機械特性為直線，轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)控(kong)(kong)制(zhi)就是通(tong)過控(kong)(kong)制(zhi)轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)來控(kong)(kong)制(zhi)轉(zhuan)矩和(he)電(dian)(dian)(dian)流(liu)，轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)控(kong)(kong)制(zhi)需要檢(jian)出電(dian)(dian)(dian)動(dong)(dong)機的(de)(de)(de)(de)(de)(de)(de)轉(zhuan)速(su)(su)，構成速(su)(su)度(du)(du)閉環，速(su)(su)度(du)(du)調節(jie)器(qi)的(de)(de)(de)(de)(de)(de)(de)輸出為轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)，然后(hou)以電(dian)(dian)(dian)動(dong)(dong)機速(su)(su)度(du)(du)與(yu)轉(zhuan)差(cha)頻(pin)(pin)(pin)率(lv)(lv)(lv)之(zhi)和(he)作為變(bian)(bian)頻(pin)(pin)(pin)器(qi)的(de)(de)(de)(de)(de)(de)(de)給定(ding)頻(pin)(pin)(pin)率(lv)(lv)(lv)，與(yu)U/f控(kong)(kong)制(zhi)相比(bi)，其加減(jian)速(su)(su)特性和(he)限制(zhi)過電(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)(de)(de)(de)能力得到提高(gao)，另外，它(ta)有速(su)(su)度(du)(du)調節(jie)器(qi)，利用(yong)速(su)(su)度(du)(du)反(fan)饋構成閉環控(kong)(kong)制(zhi).

西門(men)子(zi)6RA80直流電(dian)(dian)氣常見故(gu)(gu)障：電(dian)(dian)源(yuan)板壞，晶閘管壞，觸發(fa)板壞，主板壞，欠壓(ya)故(gu)(gu)障，缺相，弱(ruo)磁(ci)(ci)不(bu)了，勵磁(ci)(ci)故(gu)(gu)障，速度不(bu)穩，勵磁(ci)(ci)板燒，不(bu)出(chu)力(li)，不(bu)能反轉，炸機，板子(zi)燒，輸出(chu)電(dian)(dian)壓(ya)低，燒可控硅(gui)，無(wu)勵磁(ci)(ci)電(dian)(dian)壓(ya)，燒保險，無(wu)顯示(shi)， 跳閘，F60005 F60004 F60006 ，F60038，F60050，F60051，F60061，F60090，F60091，F60100，F60101，F60104，F60105，F60094，F60095等(deng)等(deng)報警。

6RA8075-6DS22-0AA0
6RA8075-6DV62-0AA0
6RA8075-6FS22-0AA0
6RA8075-6FV62-0AA0
6RA8075-6GS22-0AA0
6RA8075-6GV62-0AA0
6RA8078-6DS22-0AA0
6RA8078-6DV62-0AA0
6RA8078-6FS22-0AA0
6RA8078-6FV62-0AA0
6RA8081-6DS22-0AA0
6RA8081-6DV62-0AA0
6RA8081-6GS22-0AA0
6RA8081-6GV62-0AA0
6RA8082-6FS22-0AA0
6RA8082-6FV62-0AA0
6RA8085-6DS22-0AA0
6RA8085-6DV62-0AA0
6RA8085-6FS22-0AA0
6RA8085-6FV62-0AA0
6RA8085-6GS22-0AA0
6RA8085-6GV62-0AA0
6RA8086-6KS22-0AA0
6RA8086-6KV62-0AA0
6RA8087-6DS22-0AA0
6RA8087-6DV62-0AA0
6RA8087-6FS22-0AA0
6RA8087-6FV62-0AA0
6RA8087-6GS22-0AA0
6RA8087-6GV62-0AA0
6RA8088-6LS22-0AA0
6RA8088-6LV62-0AA0
6RA8090-6GS22-0AA0
6RA8090-6GV62-0AA0
6RA8090-6KS22-0AA0
6RA8090-6KV62-0AA0
6RA8091-6DS22-0AA0
6RA8091-6DV62-0AA0
6RA8091-6FS22-0AA0
6RA8091-6FV62-0AA0