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轉子(zi)一點接地(di)(di)繼(ji)電器作(zuo)為監視大型發電機轉子(zi)勵(li)磁回路對地(di)(di)絕緣之(zhi)用。 LD-6接地(di)(di)繼(ji)電器,LD-7接地(di)(di)繼(ji)電器

轉(zhuan)子一點接地繼(ji)電(dian)器作(zuo)為監(jian)視大型發電(dian)機(ji)轉(zhuan)子勵磁(ci)回路對(dui)地絕緣之用。 LD-4接地繼(ji)電(dian)器,LD-5接地繼(ji)電(dian)器

ZD-9 型(xing)(xing)轉子(zi)兩(liang)點接地保護(hu)裝(zhuang)置 1 用途 ZD-9 型(xing)(xing)轉子(zi)兩(liang)點接地保護(hu)裝(zhuang)置(以下簡稱(cheng)裝(zhuang)置)用作同步發電機直流勵磁回路(lu)(轉 子(zi)回路(lu))兩(liang)點接地保護(hu) ZD-9接地繼電器

DD–11型接(jie)地(di)繼電(dian)(dian)器(qi)，為瞬(shun)時動(dong)作的過電(dian)(dian)流(liu)(liu)繼電(dian)(dian)器(qi)，用(yong)作小電(dian)(dian)流(liu)(liu)接(jie)地(di)電(dian)(dian)力系統(tong)中高電(dian)(dian)壓三相交流(liu)(liu)發電(dian)(dian)機(ji)和電(dian)(dian)動(dong)機(ji)的接(jie)地(di)零(ling)序過電(dian)(dian)流(liu)(liu)保護(hu)。 DD-11Q/60接(jie)地(di)繼電(dian)(dian)器(qi)

DD–11型(xing)接(jie)(jie)地繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi)，為瞬時動作的過電(dian)(dian)(dian)(dian)流繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi)，用作小電(dian)(dian)(dian)(dian)流接(jie)(jie)地電(dian)(dian)(dian)(dian)力(li)系統中高電(dian)(dian)(dian)(dian)壓三相交流發電(dian)(dian)(dian)(dian)機(ji)和電(dian)(dian)(dian)(dian)動機(ji)的接(jie)(jie)地零(ling)序過電(dian)(dian)(dian)(dian)流保護。 DD-11Q/40接(jie)(jie)地繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi),DD-11Q/50接(jie)(jie)地繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi)