西門子6RA7095調速器啟動報F004維修檢測

西門子(zi)(zi)6ra70直流(liu)(liu)調速器報一下故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)：F001電(dian)(dian)(dian)子(zi)(zi)板(ban)(ban)(ban)電(dian)(dian)(dian)源(yuan)故(gu)障維(wei)(wei)(wei)修(xiu)(xiu) F004 電(dian)(dian)(dian)樞電(dian)(dian)(dian)源(yuan)板(ban)(ban)(ban)缺相(xiang)故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)  F005勵磁板(ban)(ban)(ban)故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)   F006 欠電(dian)(dian)(dian)壓故(gu)障維(wei)(wei)(wei)修(xiu)(xiu),F007 過(guo)電(dian)(dian)(dian)壓故(gu)障 維(wei)(wei)(wei)修(xiu)(xiu) F008 F009 進(jin)線電(dian)(dian)(dian)源(yuan)頻(pin)率故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)  F011 GSST1 電(dian)(dian)(dian)報故(gu)障三相(xiang)不(bu)(bu)(bu)平衡(heng)維(wei)(wei)(wei)修(xiu)(xiu)，無輸(shu)出維(wei)(wei)(wei)修(xiu)(xiu)，開機(ji)無顯示(shi)維(wei)(wei)(wei)修(xiu)(xiu)，啟動(dong)無勵磁電(dian)(dian)(dian)壓維(wei)(wei)(wei)修(xiu)(xiu)，上電(dian)(dian)(dian)跳閘維(wei)(wei)(wei)修(xiu)(xiu)，通電(dian)(dian)(dian)燒可(ke)控硅維(wei)(wei)(wei)修(xiu)(xiu)，運行模塊炸，速度(du)不(bu)(bu)(bu)可(ke)控維(wei)(wei)(wei)修(xiu)(xiu),主板(ban)(ban)(ban)故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)，控制(zhi)板(ban)(ban)(ban)壞維(wei)(wei)(wei)修(xiu)(xiu)，轉(zhuan)速不(bu)(bu)(bu)正常維(wei)(wei)(wei)修(xiu)(xiu)，開不(bu)(bu)(bu)了機(ji)維(wei)(wei)(wei)修(xiu)(xiu)，過(guo)流(liu)(liu)，過(guo)壓，過(guo)熱，速度(du)不(bu)(bu)(bu)穩, 電(dian)(dian)(dian)機(ji)抖動(dong)，低速不(bu)(bu)(bu)穩，高速飛車維(wei)(wei)(wei)修(xiu)(xiu)，電(dian)(dian)(dian)機(ji)不(bu)(bu)(bu)轉(zhuan)等故(gu)障維(wei)(wei)(wei)修(xiu)(xiu)。

根據主電機四象限工作(zuo)的特點(dian)，電機調(diao)速系統采用整流變壓器(qi)+國(guo)產(chan)大(da)容量晶(jing)閘管與西門子6ra70全數字直流調(diao)速器(qi)組合組成。一(yi)套6相反(fan)并聯(lian)晶(jing)閘管整流裝置由一(yi)臺6ra70調(diao)速器(qi)控制觸發角，稱之為“小觸大(da)”模式，既采用小容量6ra70（電樞電流30a，勵磁

西門子6RA7095調速器啟動報F004維修檢測

電(dian)流5a，四象限工作）一臺(tai)作基(ji)本控制單元，觸發大(da)容量晶閘管(guan)（大(da)2500a）。兩立(li)輥直流電(dian)機功(gong)率分(fen)別(bie)是1200kw，其設備(bei)構成：一臺(tai)兩裂(lie)解整流變壓器(qi)、兩組進線開關柜(ju)、兩套6ra70與晶閘管(guan)組合（兩臺(tai)6ra70分(fen)別(bie)作主、從(cong)調速器(qi)）。

圖2為西門(men)子6ra70控制柜(ju)(ju)部分，圖3為經過(guo)“小(xiao)觸大”技術改造后的功率柜(ju)(ju)部分（輸出額定電樞電流4000a）。