煤礦井下電氣整定計(jì)算說(shuō)明-wenkub
2023-04-24 03:59:01 本頁(yè)面
【正文】 601140卷帶機(jī)電機(jī)648265起動(dòng)器QBZ120N1140張緊絞車電機(jī)2217136444起動(dòng)器QBZ120N1140水泵2214112350起動(dòng)器QBZ80N1140回柱絞車4536288517起動(dòng)器QBZ80N1140雙速絞車3024192436起動(dòng)器QBZ120N1140水泵540356起動(dòng)器QBZ80N1140水泵540473起動(dòng)器QBZ120N1140水泵540222起動(dòng)器QJZ1301140鉆機(jī)2214112504起動(dòng)器QBZ120N1140調(diào)度絞車5544352476起動(dòng)器QJZ16301140調(diào)度絞車972397起動(dòng)器QJZ1301140水泵3019152503起動(dòng)器QBZ1201140排污泵3019152310起動(dòng)器QBZ80N1140雙速絞車3024192432組合開關(guān)起動(dòng)器QJZ12400/1140121140乳化泵20013010401140噴霧泵37241921140前溜機(jī)頭高速31520016001140前留機(jī)頭低速1601048321140前溜機(jī)尾高速31520016001140前留機(jī)尾低速1601048321140后溜機(jī)頭高速31520016001140后留機(jī)頭低速1601048321140后溜機(jī)尾高速31520016001140后留機(jī)尾低速160104832430組合開關(guān)起動(dòng)器QJZ12400/1140121140采煤機(jī)73047538001140破碎機(jī)110715681140轉(zhuǎn)載機(jī)低速100655201140轉(zhuǎn)載機(jī)高速20013010401140乳化泵20013010401140噴霧泵3724192九、10406綜掘工作面電氣整定計(jì)算移變的整定計(jì)算（1）回風(fēng)順槽630KVA移變（10KV→1200V,）二次側(cè)過(guò)載整定電流：I/zz=Ke=660=322A二次側(cè)短路保護(hù)電流：Izz=IQe+Ke=6261+399=1212A （取綜掘機(jī)為干線最大負(fù)載）折算至一次側(cè)過(guò)載整定電流：I/Z=322247。=140A饋電開關(guān)的整定計(jì)算（1）回風(fēng)順槽555饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=300=146A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6220+80=897A （取皮帶機(jī)為干線最大負(fù)載）（2）回風(fēng)順槽304饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=360=175A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6261+99=1066A （取綜掘機(jī)為干線最大負(fù)載）（3）進(jìn)風(fēng)順槽536饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=250=206A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6220+30=1477A （取皮帶機(jī)為干線最大負(fù)載）（4）進(jìn)風(fēng)順槽267饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=388=320A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6261+127=1827A （取綜掘機(jī)為干線最大負(fù)載）（5）進(jìn)風(fēng)順槽239饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=340=280A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6261+79=1788A （取皮帶機(jī)電機(jī)為干線最大負(fù)載）編號(hào)名稱型號(hào)電壓（V)用途負(fù)載（KW)過(guò)載電流（A)短路電流（A)492起動(dòng)器QBZ801140電滾筒3724192341起動(dòng)器QBZ120N1140雙速絞車3024192569起動(dòng)器QJZ1660N1140調(diào)度絞車13104329起動(dòng)器QBZ162001140皮帶機(jī)電機(jī)11071568264起動(dòng)器QBZ162001140皮帶機(jī)電機(jī)11071568274起動(dòng)器QBZ80N1140張緊絞車電機(jī)642568起動(dòng)器QJZ1660N1140水泵2214112193起動(dòng)器QJZ1660N1140調(diào)度絞車13104246起動(dòng)器QJZ601140水泵540413起動(dòng)器QBZ120N1140調(diào)度絞車13104371起動(dòng)器QBZ2001140水泵2214112起動(dòng)器QJZ1601140探水機(jī)2214112129起動(dòng)器QBZ80N1140水泵540259起動(dòng)器QBZ80N1140電滾筒3724192534起動(dòng)器QJZ16400660皮帶機(jī)電機(jī)110121968535起動(dòng)器QJZ16400660皮帶機(jī)電機(jī)110121968515起動(dòng)器QBZ120N660張緊絞車電機(jī)972362起動(dòng)器QBZ80N660調(diào)度絞車13104567起動(dòng)器QJZ1660N660調(diào)度絞車13104497起動(dòng)器QBZ80N660調(diào)度絞車13104179起動(dòng)器QJZ1630660水泵864363起動(dòng)器QBZ80N660調(diào)度絞車13104427起動(dòng)器QBZ80N660水泵864507起動(dòng)器QBZ120N660調(diào)度絞車13104566起動(dòng)器QJZ1660N660水泵2224192307起動(dòng)器QBZ60660水泵2224192464起動(dòng)器QBZ80N660調(diào)度絞車13104446起動(dòng)器QBZ120660刮板機(jī)5566528169起動(dòng)器QBZ120N660調(diào)度絞車13104537風(fēng)機(jī)切換開關(guān)QBZ2*120AFS660進(jìn)順風(fēng)機(jī)2*302*332*264303風(fēng)機(jī)切換開關(guān)QBZ2*120AFS660回順風(fēng)機(jī)2*302*332*264十、4東上山開拓大巷電氣整定計(jì)算移變的整定計(jì)算630KVA移變（10KV→690V,）二次側(cè)過(guò)載整定電流：I/zz=Ke=730=602A二次側(cè)短路保護(hù)電流：Izz=IQe+Ke=6261+469=2110A （取前溜機(jī)頭高速為干線最大負(fù)載）折算至一次側(cè)過(guò)載整定電流：I/Z=602247。=189A饋電開關(guān)的整定計(jì)算（1）10東膠帶上山142饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=150=73A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6110+40=448A （取皮帶機(jī)為干線最大負(fù)載）（2）10東膠帶上山289饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=345=168A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6261+84=1059A （取綜掘機(jī)為干線最大負(fù)載）（3）10東膠帶上山364饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=500=244A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=655+445=431A （取調(diào)度絞車為干線最大負(fù)載）（4）10東回風(fēng)上山167饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=110=72A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6110=429A （取皮帶機(jī)為干線最大負(fù)載）（5）10東回風(fēng)上山140饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=280=182A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=6261+19=1030A （取綜掘機(jī)為干線最大負(fù)載）（6）10回風(fēng)帶上山348饋電的整定計(jì)算饋電的過(guò)載整定計(jì)算:I/=Ke=110=88A饋電的短路保護(hù)計(jì)算:I=IQe+Ke=655+55=
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