矿井供电系统设计 毕业设计

A1A0A2A3A4A5A6A7A8A101A10目录前言3设计原始资料4一、全矿概貌4二、采区资料4第一章采区变电所的变压器选择5一、采区负荷计算5二、变压器容量计算5三、变压器的型号、容量、台数的确定6第二章采区变电所及工作面配电所位置的确定7一、采区变电所位置7二、工作面配电点的位置7第三章采区供电电缆的确定8一、拟定原则8二、按照采区供电系统的拟定原则确定供电系统图8第四章采区低压电缆的选择10一、电缆长度的确定10二、电缆型号的确定10三、电缆选择原则10四、低压电缆截面的选择10五、采区电缆热稳定校验14第五章采区高压电缆的选择17一、选择原则17二、选择步骤17第六章采区低压控制电器的选择19一、电器选择按照下列一般原则进行19二、据已选定的电缆截面、长度来选择开关、起动器容量及整定计算19第七章低压保护装置的选择和整定21一、低压电网短路保护装置整定细则规定21二、保护装置的整定与校验21A9A11A12A13A14A15A16A17A18A192A19第八章高压配电箱的选择和整定26一、高压配电箱的选择原则26二、高压配电箱的选择26三、高压配电箱的整定和灵敏度的校验27第九章井下漏电保护装置的选择28一、井下漏电保护装置的作用28二、漏电保护装置的选择28三、井下检漏保护装置的整定28第十章井下保护接地系统29结束语31参考文献32A20A21A22A23A24A25A26A27A28A293A29前言在即将毕业之际，根据教学大纲安排，完成毕业论文及设计、做好毕业答辩工作，我到了福建省天湖山能G9316G4466业G7389G19492G1856G2508天湖G4733矿G2454G2164毕业G4466G1076G452G3G8504G8437G4466G1076G1231G2165，G19512了G4557G16825G10040矿作业G17819G12255及G4557矿井G2520设G3803的了G16311，G17836G20047G6922G19610矿井原G3999资料，G5194G1209G1866G1038G1393据，G4557矿井采区作供电系统的设计G452G3G7424设计G2010G1038三大G18108G2010，G12544一G18108G2010G1038原G3999资料，G12544二G18108G2010G1038设计G17819G12255，G12544三G18108G2010G1038G2454G13783资料，G1082G1025G11540G18337G16774G17860采区供电系统G1025G2520电G8680设G3803的设计G17819G12255，G3926高压配电箱、变压器G452电缆的选择G7053G8873，G5194G4557G1866的整定及校验，G1082G1025G16826细G2477G17860了电缆及设G3803的选择原则，井下供电系统采G2474G2520G12193保护的G18337G16213G5627，G12628G7138G7143G6038G452G3G7424设计G7053G7708G12538G2524G457G10040矿安全规G12255G458、G457G10040矿工业设计规G14551G458，G3374G6357G1186G4466际G1998G2469、G13864系G10714论G11705G16794，在设计G17819G12255G1025，G17902G17819G2520G7053面的G13783G15397，选用G7044型G1147G2709，G5224用G7044G6228G7427，G9397G17287供电的G2499G19764G5627、安全G5627、G13475G8994G5627及G6228G7427G2524G10714G5627G452G3G17902G17819设计，G16765我了G16311了矿山的概G1929G15了G16311了G10040矿供电系统G17828行和供电设G3803G12661G10714G5785G1929和G10040矿G10995G1147G12661G10714的G3534G7424G11705G16794，G1363G14270G5061G1867G7389一定的G10714论G11705G16794的G2528G7114，G2460G1867G7389G17751G5390的G4466际G6817作能G2159及G16311G1927G4466际工G12255G19394G20076的能G2159，根据G7044采区的G4466际G5785G1929，在G13781G5084和G2345位G6228G7427G2604的G6363G4560下，G5194G9157G1849G10995G1147G10628G3342，G7609G19417了G7389关设计资料、规G12255、规定、规G14551G452G2560G2474G5194G6922G5417了G10628G3342G16780G3822G6228G7427G2604的意见及G13475验，G4557采区所需设G3803的型号及供电线路等进行设计计算G452G3G7424G8437设计承G13781G5084的G6363G4560及天湖G4733矿机电副矿长的大G2159支G6357，在G8504表示G9157G9157的谢意G3G3A30A31A30A31A32A33A34A34A35A36A37A38A39A40A41A42A43A44A45A46A474A47设计原始资料一、全矿概貌1、地质储量600万吨；G32、矿井G10995G1147能G2159设计能G215912万T/年，G4466际数11万T/年；G33、年工作日300天，日工作小G711414小G7114；G34、矿井电压等级及供电G5785G1929G16825矿井供电电G9316进线采用双回路电G9316电压G103835KV，变电所内设G7389630KVAG1510/63变压器两台和400KVA，10/04变压器两台，承担井下和地面低压用电负荷G452用两条高压电缆下井，电压等级均G10386KV，G13475G1025央变电所供给采区变电所G452G3G3二、采区资料1采区概G1929G3采区设计年G1147量6万吨，水平标高G1186830至755，下山道两条，一条轨道下山，一条人行下山，倾角G103825；G20104个区段开采，G7053式G1038炮采，区段高2030MG452整个采区G10628G1038一掘两采G452G32支护G7053G8873G3掘进点向上山，石门及全G4733巷道，G1209锚喷G1038主，工作面采用木支护G452G33G10040炭G17828输系统G3G3G3G3G3工作面落G10040G13475溜槽到1T矿车，由电瓶车G17828至井底车G3342，再由绞车提到830车G3342，最后由电机车拉到地面G452G35采区G17902风G3G7044鲜风流由730副斜井进风755G17828输大巷轨道上山采区工作面采区回风巷人行上山825回风平峒875抽风机房G452G36电压等级及主G16213设G3803G3井下G1025央变电所的配G1998电压G10386KV，采区主G16213用电设G3803采用660V电压，G10040电钻和照G7138采用127V电压，主G16213设G3803见采区负荷统计表G452G3A48A49A50A51A52A53A54A55A56A575A57第一章采区变电所的变压器选择一、采区负荷计算根据巷道、G10995G1147机械的布置G5785G1929，G7609G457G10040矿井下供电设计G6363G4560G1082G458和G457矿井供电G458，G7609找G7389关G6228G7427数据，列G1998采区电G8680设G3803G6228G7427特征G3926表11所示G452G3G3表11G3G3G3采区电G8680设G3803G6228G7427特征G3A58A59A60A61A62A63A64A65A66A67A68A69A70A71A62A63A72A73A74A75A68A76A71A62A63A72A77A78A67A68A79A71A62A63A80A81A72A77A78A82A67A68A79A71A83A84A85A86A87A88A89A90A91A84A92A93A94A86A60A61A95A96A60A61A97A98A99A100A101A102A103A104A105A106A107A107A108A105A109A109A110A105A105A107A111A112A107A105A109A105A109A110A109A107A113A112A106A107A113A114A111A105A115A116A105A113A109A105A109A117A118A72A119A120A121A109A122A105A109A105A113A109A105A109A117A114A123A110A107A113A117A114A107A113A117A114A123A109A124A125A101A102A126A127A111A105A106A107A120A122A110A105A105A106A106A107A105A110A113A123A112A117A107A113A112A110A107A113A112A112A123A109A128A129A130A126A127A105A105A109A120A122A110A110A106A106A107A123A113A107A112A111A107A113A123A107A113A112A107A107A113A112A123A105A131A132A133A134A130A127A69A126A106A107A122A110A110A106A106A107A110A113A117A111A109A113A114A107A113A112A107A107A113A112A123A106A135A136A137A138A130A126A139A139A122A105A107A122A110A105A105A106A106A107A105A109A113A105A117A109A113A106A107A113A117A123A107A113A112A107A105A140A72A130A69A141A142A79A105A107A122A114A107A108A110A107A105A106A106A106A107A109A105A107A113A117A123A107A113A112A112A111G3二、变压器容量计算1830水平绞车变电所变压器容量G3SA143A144A145PA67A144A146KA147A146KA75G3/COSA90A148A93G31112A14604A1461/06G37413G3KVAG3式G1025COSA90A148A93G2164权平均功率因素，根据G457G10040矿井下供电设计G6363G4560G458（G1209下G12628称G457设G6363G458）表12G7609倾斜炮采工作面，G2474COSA90A148A9306；G3KA147需G16213系数，G2454见G457设G6363G458表12，G2474KA14704；G3KA75采区G18337G2524系数，供一个工作面G7114G24741，供两个工作面G7114G2474095，供三个工作面G7114G247409，G8504处G24741；G3A145PA67A144830绞车电动机与照G7138的额定容量之和；G3A145PA67A144110121112G3KWG32830水平采区变电所变压器容量G3SA143A149A145PA67A149A146KA147A146KA75/COSA90A148A93G31114A14604A14609/06G36684G3KVAG3A150A151A152A153A154A155A156A157A158A1596A159式G1025COSA160A161A162G2164权平均功率因素，根据G457G10040矿井下供电设计G6363G4560G458表12G7609倾斜炮采工作面，G2474COSA160A161A16206；G3KA163需G16213系数，G2454见G457设G6363G458表12，G2474KA16304；G3A164PA165A166由830水平采区变电所供电的805、775、755水平的所G7389电动机额定容量之和；G3A164PA165A1664G104611G104212G104216G10434111114G3KWG3G3三、变压器的型号、容量、台数的确定根据SA167A168G33SA167原则，G7609G457G10040矿井下供电的三大保护细则G458表31选型号G1038KS9100/6/04G3G3变压器一台，用G1122绞车与照G7138的供电，选型号G1038KS9100/6/069变压器一台G15用G1122三个工作面设G3803的供电G452G1866G6228G7427特征G3926表12所示G452G3G3表1G7132G3G3G3变压器G6228G7427数据G3A169A170A171A172A173A174A175A176A177A171A172A178A179A180A181A182A183A176A184A185A186A187A173A174A175A188A177A189A190A175A191A177A192A193A186A187A175A194A177A195A179A175A183A196A177A197A198A199A200A201A202A203A204A205A204A206A207A206A208A206A209A210A211A212A213RXA214A215A216A217A218A219A219A220A221A221A219A219A219A222A219A219A220A221A216A219A218A219A219A222A218A223A222A224A225A223A226A225A227A228A219A218A222A224A219A219A223A219A227A225A225A220A219A223A219A221A216A219A219A223A219A224A216A226A220A219A223A218A226A226A224A227A224A219A219A222A229A230A231A232A233A234A235A236A237A238A2397A239第二章采区变电所及工作面配电所位置的确定一、采区变电所位置根据采区变电所位置确定原则，采区变电所位置选择G16213G1393G19764低压供电电压，供电G17329G12175，采G10040G7053G8873，采区巷道布置G7053式，采G10040机械G2282G12255度和机械G13464容量大小等因素确定G452G3G3二、工作面配电点的位置在工作面G19480G17829巷道G1025设置G6523G2058开关和起动器，由G17837G1135装置G7512成的整G1319G4613G7171工作面配电点G452G4439G19555工作面的G6524进定G7411G12239动G452G3根据掘进配电点至掘进设G3803的电缆长度，设G12447G3G3P1配电点G2559G7161G12544二变电所G279人行上山G279825采区变电所G279830绞车峒G4472；G3G3P2配电点825采区变电所G279805水平采区配电点；G3G3P3配电点825采区变电所G279775水平采区配电点；G3G3P4配电点825采区变电所G279755水平G17828输巷掘进配电点G452G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3A240A241A242A243A244A245A246A247A248A2498A249第三章采区供电电缆的确定一、拟定原则采区供电电缆G7171根据采区机械设G3803配置图拟定，G5224G12538G2524安全、G13475G8994、G6817作灵G8975、系统G12628G2345、保护完G2904、G1427G1122检G1474等G20045G16213G8726G452G3原则G3926下G31）保G16789供电G2499G19764，G2159G8726G1955G4581G1363用开关、起动器、G1363用电缆的数量G5224最G4581G452G3原则上一台起动器G6523G2058一台设G3803G452G32）采区变电所动G2159变压器G3822G1122一台G7114，G5224G2524G10714G2010配变压器负荷，G17902G5132一台变压器担负一个工作面用电设G3803G452G33）变压器最好G993G5194G13864G17828行G452G34）采G10040机G4464采用G2345G10432电缆供电，工作面配电点到G2520用电设G3803G4464采用G17764G4568式供电上山及G20046槽输G17877机G4464采用G5190线式供电G452G35）配电点起动器在三台G1209下，一般G993设配电点进线G14270动G20316电开关G452G36）工作面配电点最大容量电动机用的起动器G5224G19764G17829配电点进线，G1209G1955G4581起动器G19400G17842G6521电缆的截面G452G37）供电系统G4625量G1955G4581回G3848供电G452G38）低G8848G8680矿井、掘进工作面与回采工作面的电G8680设G3803G5224G2010开供电，G4628G18108G6171风机G4466行风电G8848G8680G19393G19157，G8848G8680喷G1998区G3507、高压G8848G8680矿井、G10040与G8848G8680G12373G1998矿井G1025，所G7389掘进工作面的G4628G6171机械装设三G999（G999用变压器、G999用开关、G999用线路）二G19393G19157设G7057即风、电、G8848G8680G19393G19157G452G3G3二、按照采区供电系统的拟定原则确定供电系统图采区变电所供电系统拟定图G3926G19480图1所示G452G3A250A251A252A253A254A255A1A0A2A109A10附图1A3A4A4A4A4A4A4A4A4A4A4A4A3A3A3A3A3A3A3A3A3A4A4A4A4A4A3A3A3A5A6A7A8A9A11A12A13A14A1010A10第四章采区低压电缆的选择一、电缆长度的确定根据采区平面布置图和采区G2090面图G2499G11705人行上山倾角G103825G452G3G1209计算上山绞车的电缆长度G1038G1375G3G1186G2090面图G2499G11705825采区变电所到830水平上山绞车G11812G4472的G17329G12175G103850MG452G3G13783G15397G4466际G7057工电缆G3414度，G2474G1866长度G1038G10714论长度的105G1505G3则G4466际长度G1038G47SG47A84105525G3M，G247455G3MG3G2528G10714G3G1866G1194电缆长度G1146G2499计算G1998来，G3926G19480图1所示G452G3G3二、电缆型号的确定G3G3G3矿用电缆型号G5224G12538G2524G457G10040矿安全规G12255G458规定，所G7389井下低压电缆G2260采用G48G60型G452G3G3三、电缆选择原则1）、在G8503G5132工作G7114电缆G14467线的G4466际G9213G2331G993G5483G17241G17819G13489G13548所G1813G16780的G9213G2331，G2554则电缆将因G17819热G13792G13565短G1866G1363用G4563G2641G6122G17817G17907G6451G3363G452G8245G3883电缆G1813G16780G9213G2331G717165，G19124装电缆G1813G16780G9213G2331G717180，电缆G14467线的G7114G19400G9213G2331G1927定G4439所流G17819的负荷电流，因G8504，G1038保G16789电缆的G8503G5132G17828行，G5529G20047保G16789G4466际流G17819电缆的最大长G7114工作电流G993G5483G17241G17819G4439所G1813G16780的负荷电流G452G32）、G8503G5132G17828行G7114，电缆网路的G4466际电压G6451G3845G5529G20047G993大G1122网路所G1813G16780的电压G6451G3845G452G1038保G16789电动机的G8503G5132G17828行，G1866G12483电压G993G5483低G1122额定电压的95G8，G2554则电动机等电G8680设G3803将因电压G17819低G13792G9915G8597G452所G1209G15999选定的电缆G5529G20047保G16789G1866电压G6451G3845G993G17241G17819G1813G16780G1552G452G33）、G17329G12175电G9316最G17840，容量最大的电动机起动G7114，因起动电流G17819大G13792G17908成电压G6451G3845G1075最大G452因G8504，G5529G20047校验大容量电动机起动大，G7171G2554能保G16789G1866G1194用电设G3803所G5529G20047的最低电压G452即进行起动条G1226校验G452G34）、电缆的机械G5390度G5224G9397G17287G16213G8726，特G2047G7171G4557G12239动设G3803供电的电缆G452采区G5132G12239动的G8245G3883电缆支线的截面选择一般按机械G5390度G16213G8726的最小截面选G2474G7114即G2499，G993G5529进行G1866G1194G20045G11458的校验G452G4557G1122G5190线电缆，则G5529G20047G20330G1820按G1813G16780电流及起动条G1226进行校验G452G35G12、G4557G1122低压电缆，由G1122低压网路短路电流G17751小，按上G17860G7053G8873选择的电缆截面的热稳定G5627均能G9397G17287G1866G16213G8726，因G8504G2499G993G5529再进行短路G7114的热稳定校验G452G3G3四、低压电缆截面的选择1G12239动支线电缆截面G3G3G3G3G3G3采区G5132G12239动的电缆支线的截面选择G7114G13783G15397G7389G17287G3827的机械G5390度G15根据G13475验按G457设G6363G458表223G2033选支线电缆截面即G2499G1867G1319G3926G19480图1所示G452G3G32G5190线电缆截面的选择G3由G1122G5190线线路长G15电流大G15电压G6451G3845G7171主G16213G11695G11474G15所G1209G5190线电缆截面按电压G6451G3845计算G452G3采区变电所供电拟定图G3926G19480图1所示G452G3A15A16A17A18A19A20A21A22A23A2411A24G111G12G3G3755水平G4733巷掘进配电点G3根据G440G56A25G1552的G2474G1552原则G15选G2474配电点G1025线路最长G15电动机额定功率最大的支线来计算G452G31G12G3根据G457设G6363G458表223G1511KG58G13805G7019装G4733机G2033选电缆G1038G48G60G33A26161A266G3100MG15用负荷G11709电压G6451G3845计算支线电缆电压G6451G3845G3G440G56A25G8G3G3KA27A26A28PG72A26G47A25A26KG8G31A2611A26100A2610A29A30A260333G30366G3式G1025G3G3G440G56A25G8支线电缆G1025电压G6451G3845G11346G2010G8616；G3KA27负荷系数G15G2474KA271；G3A28PA31电动机额定功率G15KG58；G3G47A25支线电缆G4466际长度G15KG48；G3KG8G2327G10938G1856里负荷电压G6451G3845G11346G2010数G15G3G7609G457设G6363G458表228G15G2474KG80333G3G440G3G56A32G440G56A25G8A26G56A31/100G30366A26660/100G324G3VG3式G1025G3G3G440G56A32支线电缆G1025电压G6451G3845G15V；G32G12G3变压器电压G6451G3845G1038G3G440G56A33G8G3A26G11G56A34G8A26COSA35A36A37G56A38G8A26SINA35A36A37G12G3G3067A26G11145A2606373A2608G12G3258G3式G1025G440G56A33G8变压器电压G6451G3845G11346G2010G8616；G3变压器的负荷系数G15G3SA39A37A40/SA316684/100067；G3SA31变压器额定容量G15KVA；G3SA39A37A40变压器二G8437侧G4466际负荷容量之和G15KVAG3SA41A42A436684G3KVA；G3G56A34G8变压器额定负荷G7114电阻压降G11346G2010数G15G3G7609表12G15G2474G56A34G8145；G3G56A38G8变压器额定负荷G7114电抗压降G11346G2010数G15G3G7609表12G15G2474G56A38G8373；G3COSA35A36A37G2164权平均功率因数G15G3G7609G457设G6363G458表12G15G2474COSA35A36A37G306G15G3G3SINA35A36A3708；G3G440G56A44G3G440G56A44G8A26G56A45A31/100258A26660/1001703G3VG3G3A46A47A48A49A50A51A52A53A54A2412A243G12G3G5190线电缆G1813G16780电压G6451G3845G1038G3G440G56A55A56G440G56A57G440G56A25G440G56A3363241703G34357G3VG3式G1025G440G56A55A56G5190线电缆G1025G1813G16780电压G6451G3845G15V；G3G440G56A57G1813G16780电压G6451G3845G15VG15G3G7609G457设G6363G458表233G15G3G56A31660VG7114G15G3G440G56A5763V；G3G440G56A25支线电缆G1025电压G6451G3845G15V；G3G440G56A33变压器G1025电压G6451G3845G15V；G34G12G3G5190线电缆截面确定G3AA55A56G3KA38A26A28PA31A26G47A55A56A2610A30/G11G56A31A26RA26G440G56GYA26A36A37G12G307A2639A26650A2610A30/G11660A26425A264357A26085G12G3171G3MMA45式G1025G3AA55A56G5190线电缆截面积G15G3MMA45；G3G3G3G3G3G3G3G3G3KX需用系数，G2474KX07；G3A28PG72G5190线电缆所带负荷额定功率之和G15KG58G15G3A28PG724A2621141639G3KG58；G3G47A55A56G5190线电缆G4466际长度G15M；G3R电缆G4560G1319G14467线的电G4560率G15G3M/G11MMA45G12G2474R425MMA45；G3G440G56GYG5190线电缆G1025最大G1813G16780电压G6451G3845G15V；G3A36A37G2164权平均效率G15A36A37（16G1040884G10408511G104084G1042G104085）/39085；G3根据计算选择G5190线电缆G1038G48G60G33A2625G31A2610G3650MG3G112G12775水平采区配电点的G5190线电缆G31G12G3支线电缆电压G6451G3845G3G440G56A25G8G3G3KA27A26A28PA31A26G47A25A26KG8G31A2611A26150A2610A29A30A260211G3035G3式G1025KG8G7609G457设G6363G458表228G15G2474KG80211G3A46A47A48A49A50A51A52A53A54A2413A24G440G56A25G440G56A25G8A26G56A58/100G3035A26660/100G3231G3VG32G12G3G5190线电缆G1813G16780电压G6451G3845G1038G3G440G56A55A56G440G56A57G440G56A25G440G56A33632311703G34366G3VG33G12G3G5190线电缆截面确定G3AA55A56G3KA38G104PA31G104G47A55A56G10410A30/G11G56A31G104RG104G440G56A55A56G104A36A37G12G307G104362G104600G10410A30/G11660G104425G1044366G104087G12G3143G3MMA45式G1025PA31G5190线电缆所带负荷额定功率之和G15KG58G15G3PA314G1042111216362G3KG58；G3G3G3G3G3G3G3A36A37G2164权平均效率，A36A374G1042G10408511G104088512G104079516G104088G12/362087G3根据计算选择G5190线电缆G1038G48G60G33G104251G10410G3600MG3G113G12G3805水平采区配电点的G5190线电缆G3G3由G1122805水平与775水平的设G3803完全相G2528，故两者的G5190线电缆G1813G16780电压G6451G3845相G2528，均G10384366G3VG3AA55A56G3KA38G104PA31G104G47A55A56G10410A30/G11G56A31G104RG104G440G56A55A56G104A36A37G12G307G104362G104520G10410A30/G11660G104425G1044366G104087G12G3124G3MMA45根据计算选择G5190线电缆G1038G48G60G33G104251G10410G3520MG3G3G3G3G3A46A47A48A49A50A51A52A53A54A2414A24G114G12G3830绞车房供电计算图G3926图41所示G452G3G3G3G3G3G3G3G3G3图G341G3830绞车房供电计算图G3G3向110KG58绞车供电的电缆截面的选择G3根据所选用KS9100/6G3型变压器G15G3G7609表12G5483G15G3G56A34G8145G15G56A38G8373；G3G3变压器的电压G6451G3845G1038G3G440G56A59G8G11SA59/SA31G12G104G11G56A34G8G104COSA36A37G56A38G8G104SINA36A37G12G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G117413/100G12G104G11145G10406373G10408G12G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3286G3G440G56A59G440G56A59G8G104G56A45A31/100G3G3G3G3G3G3G3G3G3G3286G104400/100G3G3G3G3G3G3G3G3G3G3G3G31144G3VG3绞车支线电缆G1813G16780电压G6451G3845G3G440G3G56A55A56G440G56A57G440G56A333911442756G3VG3式G1025G440G56A60允许电压损失，V,查设指表233，UE380V时G440G56A6039VG3绞车支线电缆截面确定G3AA55A56G3KA38G104PA31G104G47A55A56G10410A30/G11G56A31G104RG104G440G56A55A56G104A36A37G12G307G104110G10455G10410A30/G11380G104425G1042756G10408G12G3119G3MMA45根据计算选用G48G60G33G104501G10416G355MG3型电缆G3G3五、采区电缆热稳定校验按起动条G1226校验电缆截面G311KG58回柱绞车G7171G17751大负荷起动，G1075G7171采区G1025容量最大、供电G17329G12175G17751G17840的用电设G3803，选择的电缆截面需G16213按起动条G1226进行校验G452G3G3G31G12G3电动机最小起动电压G3G56A61A62A63A64G3KA65AA65G3G3G104G56A66G3G3G3G3A67A68A69A70A71A72A73A74A75A7615A76G31225G3G104660G3G3G3G3G3G345726VG3错误未找到引用源。式G1025G3G3G56A77电动机额定电压G15V；G3G3G3G3G3G3G3G3KA78电动机最小G1813G16780起动转G11709G48A78A79A80A81G3与额定转G11709G48A77之G8616G1552G3G7609G457设G6363G458表238G15G2474KA7812；G3AA82电动机额定电压下的起动转G11709G48A83A82与额定转G11709G48A83之G8616G1552G15由电动机G6228G7427数据表G7609G5483G15矿用隔爆电动机AA82错误未指定书签。G325G452G32G12G3G3起动G7114工作机械支路电缆G1025的电压G6451G3845G3G3G3G3G3G3G3G3G3G440G56A85A78（3G104IA78G104G47A85G104COSA78G10410A86）/（RG104AA85）G3G3G3G3G3G3G3G3G3G3G3G3G3G3（3G104603G104015G104055G10410A86）/G11425G10425G12G3G3G3G3G3G3G3G3G3G3G3G3G3G3811G3VG3式G1025G3G3G3COSA78电动机起动G7114的功率因数，估G2474COS055G15SIN084；G3R支线电缆G14467线G4560G1319的电G4560率G15M/G11MMA87G12；G3AA85支线电缆的G14467线截面G15G3MMA87；G3G3G3G3G3G3G3G3G3G47A85支线电缆G4466际长度KG48；G3IA78电动机G4466际起动电流G15A；G3IA78IA77A78G104G56A78A79A80A81/G56A7787G10445726/660603A；G3G3G3G3G3G3式G1025G3G3IA77A78电动机在额定电压下的起动电流G15A；G3G56A78A79A80A81电动机最小起动电压G15VG3G3G56A77电动机额定电压G15V；G3G3G33G12、G3起动G7114G5190线电缆G1025的电压G6451G3845G3G3G3G3G3G3G3G3G440G56A88A78（3G104IA88A78G104G47A88G104COSA88A78G10410A89）/（RG104AA88）G3G3G3G3G3G3G3G3G3G3G3G3G113G1041027G10406G104057G10410A89G12/G11425G10425G12G3G3G3G3G3G3G3G3G3G3G3G3573G3VG3式G1025G3G3RG5190线电缆G14467线G4560G1319的电G4560率G15M/G11MMA90G12；G3G3G3G3G3G3G3G47A88G5190线电缆G4466际长度G15KM；G3AA88G5190线电缆的G14467线截面G15G3MMA90；G3COSA88A78G5190线电缆在起动条G1226下的功率因数G15G3COSA88A78G11IA78G104COSA78IA80G104COSA91A92G12/IA88A78G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G11603G104055422G10406G12/1027G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3057G3IA88A78G5190线电缆G1025G4466际G4466际起动电流G15A；G3IA88A78G11IA78G3G104COSQIIG104COSPJG12A87G11IA78G104SINQIIG104SINPJG12A87G3G3G3G3G3G3G3G3G3G3G3G3G3G11603G104055422G10406G12A87G11603G104084422G10408G12A87G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G31027G3AG3A93A94A95A96A97A98A99A100A101A7616A76G1025G3G3IA80G1866余电动机G8503G5132工作电流，A；G3IA80G3PG72/（3G104G56A77G104A91A92G104COSA91A92）G3G3G3G3G3G3G3G3G3G3G3G3G3G3（252G10410A89）/G113G104660G104087G10406G12G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3422G3AG3G34G12G3G3起动G7114变压器的电压G6451G3845G3G3G3G3G3G440G56A102A78G8G3G3G11IA102A78/IA102A77G12G104G11G3G56A103G8G3G104COSA102A78G56A104G8G104SINA102A78G12G3G3G3G3G3G3G3G3G3G3G3G111027/113G12G104G11145G104057373G104082G12G3G3G3G3G3G3G3G3G3G3G3353G3G440G56A102A78G440G56A102A78G8G104G56A102A77/100G3690G104353/100G32436G3VG3式G1025G3IA102A78起动G7114变压器的负荷电流G15A；G3G3G3G3G3G3IA102A77变压器负荷额定电流G15A；G3G56A102A77变压器负荷侧额定电压G15V；G3COSA102A78起动G7114变压器负荷功率因数；G3G35G12G3G3起动状态下供电系统G1025总的电压G6451G3845G3G440G56A78G440G56A85A78G3G440G56A88A78G3G440G56A102A78G3G3G3G3G3G3G3G3G3G3G3G3G3G3G38115732436G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G38977G3VG36G12G3检验条G1226G3G56A87A77G440G56A78G3690897760023VG3345726VG3G3G2460因G103860023V相G4557G1122额定电压的G11346G2010数G103860023/660G104100G8909G8，G17241G17819磁G2159起动器吸G2524线圈G16213G8726的电压G452所G1209检验结果G2499G1209认G1038选用25MMA105的G8245G3883电缆G9397G17287了起动条G1226G452G3G3G3G3A93A94A95A96A97A98A99A100A101A7617A76第五章采区高压电缆的选择一、选择原则1、按G13475G8994电流密度计算选定电缆截面，G4557G1122输G17877容量G17751大，年最大负荷利用的小G7114数G17751高的高压电缆尤G1866G5224按G13475G8994电流密度G4557G1866截面进行计算G452G32、按最大G6357续负荷电流校验电缆截面，G3926果向G2345台设G3803供电G7114，则G2499按设G3803的额定电流校验电缆截面G452G33、按系统最大G17828行G7053式G7114G2469G10995的三相短路电流校验电缆的热稳定G5627，一般在电缆G20330G12483选定短路点G452井下主变电所G2031