施工現(xiàn)場(chǎng)臨時(shí)用電專(zhuān)項(xiàng)預(yù)案培訓(xùn)文件

1、173/175XX項(xiàng)目(一期)二期工程施工用電方案AAAA建設(shè)集團(tuán)有限公司XXXX FIRST CONSTRUCTION GROUP CO.,LTD.目 錄TOC o 1-3 t h z u HYPERLINK l _Toc23189 第一章 編制依據(jù) PAGEREF _Toc23189 3 HYPERLINK l _Toc3746 第二章 工程概況 PAGEREF _Toc3746 3 HYPERLINK l _Toc24098 一、 總體工程概況 PAGEREF _Toc24098 3 HYPERLINK l _Toc32344 二、 施工場(chǎng)地差不多概況 PAGEREF _Toc32344

2、 4 HYPERLINK l _Toc15491 三、 電源接駁點(diǎn)概況 PAGEREF _Toc15491 4 HYPERLINK l _Toc1224 第三章 施工部署 PAGEREF _Toc1224 4 HYPERLINK l _Toc17943 一、 總體目標(biāo) PAGEREF _Toc17943 4 HYPERLINK l _Toc3200 二、 現(xiàn)場(chǎng)臨時(shí)用電部署：三級(jí)配電二級(jí)愛(ài)護(hù) PAGEREF _Toc3200 4 HYPERLINK l _Toc20536 三、 組織機(jī)構(gòu) PAGEREF _Toc20536 5 HYPERLINK l _Toc24170 四、 技術(shù)預(yù)備 PAGE

3、REF _Toc24170 7 HYPERLINK l _Toc3379 五、 勞動(dòng)力預(yù)備 PAGEREF _Toc3379 8 HYPERLINK l _Toc1129 六、 機(jī)具預(yù)備 PAGEREF _Toc1129 8 HYPERLINK l _Toc9479 七、 材料預(yù)備 PAGEREF _Toc9479 9 HYPERLINK l _Toc15770 第四章 臨時(shí)用電布置講明 PAGEREF _Toc15770 9 HYPERLINK l _Toc7439 一、 參數(shù)設(shè)置 PAGEREF _Toc7439 10 HYPERLINK l _Toc31188 二、 臨電初步設(shè)計(jì)原則 P

4、AGEREF _Toc31188 18 HYPERLINK l _Toc19971 第五章 臨時(shí)用電計(jì)算 PAGEREF _Toc19971 18 HYPERLINK l _Toc15920 一、 用電負(fù)荷計(jì)算 PAGEREF _Toc15920 18 HYPERLINK l _Toc25327 二、 導(dǎo)線(xiàn)及開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇 PAGEREF _Toc25327 50 HYPERLINK l _Toc8842 三、 一級(jí)配電柜的進(jìn)線(xiàn)、開(kāi)關(guān)箱內(nèi)電氣設(shè)備選擇 PAGEREF _Toc8842 80 HYPERLINK l _Toc28958 第六章 繪制臨時(shí)供電施工圖 PAGEREF _Toc2

5、8958 81 HYPERLINK l _Toc30720 一、 一級(jí)配電柜系統(tǒng)圖 PAGEREF _Toc30720 83 HYPERLINK l _Toc28051 二、 二級(jí)配電箱供電系統(tǒng)圖 PAGEREF _Toc28051 83 HYPERLINK l _Toc20882 第七章 安全用電技術(shù)措施 PAGEREF _Toc20882 86 HYPERLINK l _Toc20892 一、 安全用電技術(shù)措施 PAGEREF _Toc20892 86 HYPERLINK l _Toc7902 二、 安全用電組織措施 PAGEREF _Toc7902 99 HYPERLINK l _Toc

6、6825 第八章 安全用電防火措施 PAGEREF _Toc6825 100 HYPERLINK l _Toc22912 一、 施工現(xiàn)場(chǎng)發(fā)生火災(zāi)的要緊緣故 PAGEREF _Toc22912 101 HYPERLINK l _Toc12162 二、 預(yù)防電氣火災(zāi)的措施 PAGEREF _Toc12162 102 HYPERLINK l _Toc14937 三、 防雷裝置設(shè)計(jì) PAGEREF _Toc14937 104 HYPERLINK l _Toc26093 第九章 接地裝置設(shè)計(jì) PAGEREF _Toc26093 104 HYPERLINK l _Toc26327 第十章 施工用電總承包治

7、理 PAGEREF _Toc26327 105 HYPERLINK l _Toc24922 一、 治理流程 PAGEREF _Toc24922 106 HYPERLINK l _Toc8569 二、 治理要點(diǎn) PAGEREF _Toc8569 106 HYPERLINK l _Toc7128 三、 施工現(xiàn)場(chǎng)臨時(shí)用資料治理 PAGEREF _Toc7128 108 HYPERLINK l _Toc24440 四、 停電事故預(yù)防措施 PAGEREF _Toc24440 110 HYPERLINK l _Toc5011 第十一章 應(yīng)急措施及救援預(yù)案 PAGEREF _Toc5011 111 HYPE

8、RLINK l _Toc29888 第十二章 施工用電總平面布置 PAGEREF _Toc29888 114 編制依據(jù)序號(hào)名稱(chēng)編號(hào)1建筑電氣工程施工施質(zhì)量驗(yàn)收規(guī)范GB50303-20152建筑施工現(xiàn)場(chǎng)供用電安全規(guī)范GB5019420143施工現(xiàn)場(chǎng)臨時(shí)用電安全技術(shù)規(guī)范JGJ4620054建筑施工安全檢查標(biāo)準(zhǔn)JGJ59-20115建筑施工現(xiàn)場(chǎng)臨時(shí)建筑物技術(shù)規(guī)范JGJ/T188-20096建筑工程施工現(xiàn)場(chǎng)消防安全技術(shù)規(guī)范GB50720-20117低壓配電設(shè)計(jì)規(guī)范GB50054-20118通用用電設(shè)備配電設(shè)計(jì)規(guī)范GB50055-20119供配電系統(tǒng)設(shè)計(jì)規(guī)范GB50052-200910環(huán)境與職業(yè)健康安全

9、體系11本工程施工圖12本工程施工組織設(shè)計(jì) 工程概況總體工程概況工程名稱(chēng)地理位置建設(shè)單位設(shè)計(jì)單位勘察單位監(jiān)理單位本項(xiàng)目為二期四棟雙層倉(cāng)庫(kù)，其中，3號(hào)庫(kù)房22306.02m2, 4號(hào)庫(kù)房23455.28 m2 ，5號(hào)庫(kù)房23382.10 m2，6號(hào)庫(kù)房24066.46 m2，倉(cāng)庫(kù)為錘擊樁、承臺(tái)基礎(chǔ)，一、二層為框架結(jié)構(gòu)，屋面及墻面等維護(hù)結(jié)構(gòu)為輕鋼結(jié)構(gòu)。局部區(qū)域設(shè)置有辦公及設(shè)備夾層。一層倉(cāng)庫(kù)結(jié)構(gòu)層高為11.00m，二層倉(cāng)庫(kù)結(jié)構(gòu)層高為10.00m。施工場(chǎng)地差不多概況為滿(mǎn)足施工進(jìn)度及運(yùn)輸要求，每一個(gè)庫(kù)預(yù)備投入2臺(tái)QTZ6013塔吊，一共8臺(tái)塔吊。以及其他加工設(shè)備（見(jiàn)設(shè)備及功率明細(xì)表）?，F(xiàn)場(chǎng)布置8個(gè)鋼筋加

10、工車(chē)間和2個(gè)木工加工車(chē)間，每2棟倉(cāng)庫(kù)統(tǒng)一設(shè)置一個(gè)一級(jí)配電柜。電源接駁點(diǎn)概況本工程電源接駁點(diǎn)分不位于場(chǎng)地南側(cè)七庫(kù)外側(cè)的800KVA的配電房，現(xiàn)場(chǎng)可提供本工程臨時(shí)用電量容量為800KVA。本工程按項(xiàng)目總的進(jìn)度打算結(jié)合本方案第五章第一條第7點(diǎn)和第14點(diǎn)和17點(diǎn)計(jì)算結(jié)果，到最高峰時(shí)的用電量為497.58KVA，滿(mǎn)足施工需求。本工程采納三級(jí)配電，從總配電室到各一級(jí)配電柜，一級(jí)配電柜到各二級(jí)配電箱，各庫(kù)二及配電箱至各用電點(diǎn)三級(jí)開(kāi)關(guān)箱。 施工部署總體目標(biāo)質(zhì)量目標(biāo)：合格，一次驗(yàn)收合格率100%。安全目標(biāo)：堅(jiān)持“安全第一、預(yù)防為主”的工作方針，確保無(wú)重大工傷事故，輕傷頻率操縱在4以?xún)?nèi)?，F(xiàn)場(chǎng)臨時(shí)用電部署：三級(jí)配電

11、二級(jí)愛(ài)護(hù)現(xiàn)場(chǎng)在變壓器旁設(shè)置總配電室各一級(jí)配電柜各棟分不設(shè)置3個(gè)二級(jí)配電箱各設(shè)備專(zhuān)用插座箱、照明專(zhuān)用箱為三級(jí)箱；本工程分期建設(shè)：一期有1號(hào)、2號(hào)庫(kù)區(qū)及配套用房；二期有3號(hào)、4號(hào)、5號(hào)、6號(hào)四棟庫(kù)區(qū)及配套用房，本方案為二期施工用電方案。在3號(hào)庫(kù)、4號(hào)庫(kù)之間設(shè)置1#一級(jí)配電柜、5號(hào)庫(kù)、6號(hào)庫(kù)之間設(shè)置2#一級(jí)配電柜、辦公區(qū)和生活區(qū)設(shè)置專(zhuān)用3#一級(jí)配電柜。依照總進(jìn)度打算安排，每棟庫(kù)房之間開(kāi)始施工的時(shí)刻順序相差十天；一套基礎(chǔ)錘擊樁所使用的設(shè)備需用70KW，按三套設(shè)備同時(shí)施工共有210KW,錘擊樁設(shè)備施工的時(shí)候，其他如鋼筋、模板加工設(shè)備還沒(méi)有投入使用，塔吊也沒(méi)有完全投入使用，同時(shí)三套錘擊樁的負(fù)荷小于基礎(chǔ)主體

12、施工時(shí)期用電設(shè)備的負(fù)荷，因此在施工臨時(shí)用電負(fù)荷計(jì)算的時(shí)候，不考慮錘擊設(shè)備的用電負(fù)荷。主體施工時(shí)期及裝飾裝修期間用電高峰是塔吊、鋼筋加工、模板加工設(shè)備同時(shí)使用的時(shí)期，因此最大負(fù)荷要緊考慮各樓層施工機(jī)具、照明、模板加工，塔吊運(yùn)轉(zhuǎn)及鋼筋加工的用電。擬從配電房設(shè)置一個(gè)主線(xiàn)路到總配電室；3號(hào)4號(hào)庫(kù)共用1#一級(jí)配電柜，5號(hào)6號(hào)庫(kù)共用2#一級(jí)配電柜、辦公區(qū)和生活區(qū)共用3#一級(jí)配電柜；各一級(jí)配電柜分不設(shè)置4條線(xiàn)路至固定二級(jí)配電箱（鋼筋加工場(chǎng)地配電箱和塔吊配電箱）和2條線(xiàn)路至各棟物流庫(kù)樓層的移動(dòng)二級(jí)配電箱（樓層用電配電箱）。從二級(jí)箱引出線(xiàn)至三級(jí)箱及專(zhuān)用設(shè)備操縱箱，實(shí)現(xiàn)一機(jī)一閘一漏。組織機(jī)構(gòu)項(xiàng)目成立項(xiàng)目施工用電總

13、承包治理機(jī)構(gòu)，治理機(jī)構(gòu)如下：圖略組長(zhǎng)：副組長(zhǎng)：組員：組長(zhǎng)XX負(fù)責(zé)整個(gè)項(xiàng)目施工用電的方案審核、施工及治理工作；副組長(zhǎng)項(xiàng)目技術(shù)負(fù)責(zé)人XX負(fù)責(zé)施工用電方案的編制及方案流程報(bào)審，各分包單位用電方案的審核，并對(duì)方案進(jìn)行交底和技術(shù)核定；各組員XX負(fù)責(zé)整個(gè)施工現(xiàn)場(chǎng)施工用電的施工、檢查及施工用電總承包治理；XX要緊依照方案編制要求及現(xiàn)場(chǎng)實(shí)際情況對(duì)施工用電布置進(jìn)行指導(dǎo)及檢查，中期要緊對(duì)項(xiàng)目設(shè)備施工用電進(jìn)行維護(hù)及治理，后期要緊進(jìn)行施工用電總承包治理。XX負(fù)責(zé)施工用電材料的采購(gòu)；XX負(fù)責(zé)施工用電的施工及治理；質(zhì)檢員負(fù)責(zé)對(duì)現(xiàn)場(chǎng)施工用電質(zhì)量進(jìn)行監(jiān)督治理并進(jìn)行相關(guān)報(bào)驗(yàn)工作安全總監(jiān)、安全員要緊負(fù)責(zé)施工用電的安全治理；同時(shí)施

14、工用電總承包治理機(jī)構(gòu)各成員均需對(duì)施工用電的安全進(jìn)行治理。技術(shù)預(yù)備組織各崗位治理人員學(xué)習(xí)有關(guān)法律、法規(guī)、規(guī)范、圖紙，經(jīng)考核合格后持證上崗，杜絕無(wú)證上崗現(xiàn)象。召開(kāi)現(xiàn)場(chǎng)技術(shù)交底會(huì)議，就現(xiàn)場(chǎng)臨電工程施工技術(shù)要求對(duì)現(xiàn)場(chǎng)機(jī)管員、電工、操作工人進(jìn)行交底，使其施工前作好充分預(yù)備。對(duì)勞務(wù)隊(duì)伍全體人員進(jìn)行進(jìn)場(chǎng)前安全文明施工教育及治理宣傳。對(duì)專(zhuān)門(mén)工作作業(yè)人員去專(zhuān)業(yè)的機(jī)構(gòu)培訓(xùn)，考核合格取證后方可上崗。施工作業(yè)人員入場(chǎng)教育施工用電作業(yè)人員先必須通過(guò)項(xiàng)目安全員、主管工長(zhǎng)、機(jī)管員、勞資員及保衛(wèi)組織的項(xiàng)目安全常識(shí)系統(tǒng)教育，并建立相應(yīng)的檔案資料。施工用電作業(yè)人員分配到工作面后，應(yīng)由項(xiàng)目機(jī)管員結(jié)合工程的具體情況及特點(diǎn)作專(zhuān)項(xiàng)技術(shù)交

15、底。并形成相應(yīng)記錄。針對(duì)施工過(guò)程中時(shí)期性出現(xiàn)的具有的特定性的安全問(wèn)題及隱患，機(jī)管員必須現(xiàn)場(chǎng)作針對(duì)性交底，并形成相關(guān)記錄。勞動(dòng)力預(yù)備據(jù)施工時(shí)刻的劃分，選定一支勞務(wù)分包單位進(jìn)行施工用電施工，每支勞務(wù)隊(duì)伍必須配置專(zhuān)業(yè)電工且必須持證上崗。序號(hào)工種人數(shù)備注1治理人員102電工63普工12機(jī)具預(yù)備序號(hào)設(shè)備名稱(chēng)單位數(shù)量備注1穿線(xiàn)器套1用于電纜管內(nèi)穿線(xiàn)2電工工具套6用于電纜的搭接3壓接鉗套1用于電纜頭壓接材料預(yù)備名稱(chēng)單位數(shù)量型號(hào)備注總配電室個(gè)1變壓器開(kāi)關(guān)柜出至項(xiàng)目總配電室的配電箱一級(jí)配電柜個(gè)3二期施工總配電箱固定二級(jí)配電柜個(gè)14為每個(gè)庫(kù)區(qū)和辦公生活區(qū)移動(dòng)三級(jí)配電箱及設(shè)備專(zhuān)用箱個(gè)4用于樓層配電，每棟配置一個(gè)每臺(tái)

16、設(shè)備及生活區(qū)、辦公區(qū)每棟樓配置一個(gè)開(kāi)關(guān)箱鋁芯絕緣電纜m1380mVLV3*150mm+2*70mm電纜鋁芯絕緣電纜m420mVLV3*70mm+2*35mm電纜鋁芯絕緣電纜m2220mVLV3*50mm+2*25mm電纜鋁芯絕緣電纜m800mVLV3*25mm+2*16mm電纜 臨時(shí)用電布置講明 本施工現(xiàn)場(chǎng)臨時(shí)用電施工組織設(shè)計(jì)通過(guò)計(jì)算選擇合理導(dǎo)線(xiàn)截面積，電器設(shè)備及操縱方式，既能滿(mǎn)足現(xiàn)場(chǎng)施工用電需要，又能保障現(xiàn)場(chǎng)安全用電的要求，做到節(jié)能、方便，規(guī)范、標(biāo)準(zhǔn)。 依照施工現(xiàn)場(chǎng)用電設(shè)施布置情況，從配電室至一級(jí)配電柜施工區(qū)域電纜采納穿管暗埋方式。電纜線(xiàn)從項(xiàng)目總配電室引入一級(jí)配電柜，由一級(jí)配電柜再分不設(shè)置回

17、路至二級(jí)配電箱，由二級(jí)配電箱供至各機(jī)械設(shè)備開(kāi)關(guān)箱等，應(yīng)當(dāng)配電合理，互不干擾防止因電氣故障阻礙施工。一級(jí)配電柜與二級(jí)配電箱之間電纜場(chǎng)地情況選擇穿管埋設(shè)方式。二級(jí)配電箱與用電設(shè)備之間電線(xiàn)選擇架空敷設(shè)。埋設(shè)和架空敷設(shè)方式和注意事項(xiàng)詳見(jiàn)本方案第七章相關(guān)要求。參數(shù)設(shè)置1.一級(jí)配電柜參數(shù)（1）1#一級(jí)配電柜參數(shù)用電接駁方式由總配電室接入一級(jí)配電柜編號(hào)1#一級(jí)配電柜一級(jí)配電柜距接駁點(diǎn)布線(xiàn)距離Lo(m)20一級(jí)配電柜的同期使用系數(shù)Kx0.8分配電箱數(shù)量6導(dǎo)線(xiàn)線(xiàn)芯材料鋁線(xiàn)一級(jí)配電柜進(jìn)線(xiàn)敷設(shè)方式埋地暗敷二級(jí)配電箱進(jìn)線(xiàn)敷設(shè)方式埋地暗敷設(shè)備電線(xiàn)敷設(shè)方式埋地暗敷/架空線(xiàn)路干線(xiàn)同意電壓降%5（2）2#一級(jí)配電柜參數(shù)用電接

18、駁方式由總配電室接入一級(jí)配電柜編號(hào)2#一級(jí)配電柜一級(jí)配電柜距接駁點(diǎn)布線(xiàn)距離Lo(m)20一級(jí)配電柜的同期使用系數(shù)Kx0.8分配電箱數(shù)量6導(dǎo)線(xiàn)線(xiàn)芯材料鋁線(xiàn)一級(jí)配電柜進(jìn)線(xiàn)敷設(shè)方式埋地暗敷二級(jí)配電箱進(jìn)線(xiàn)敷設(shè)方式埋地暗敷設(shè)備電線(xiàn)敷設(shè)方式埋地暗敷/架空線(xiàn)路干線(xiàn)同意電壓降%5（3）3#一級(jí)配電柜參數(shù)用電接駁方式由總配電室接入一級(jí)配電柜編號(hào)3#一級(jí)配電柜一級(jí)配電柜距接駁點(diǎn)布線(xiàn)距離Lo(m)20一級(jí)配電柜的同期使用系數(shù)Kx0.8分配電箱數(shù)量2導(dǎo)線(xiàn)線(xiàn)芯材料鋁線(xiàn)一級(jí)配電柜進(jìn)線(xiàn)敷設(shè)方式埋地暗敷二級(jí)配電箱進(jìn)線(xiàn)敷設(shè)方式埋地暗敷設(shè)備電線(xiàn)敷設(shè)方式埋地暗敷/架空線(xiàn)路干線(xiàn)同意電壓降%102.供電系統(tǒng)設(shè)置總箱編號(hào)干線(xiàn)名稱(chēng)分配電箱

19、編號(hào)安裝部位同期使用系數(shù)Kx（m）功率因素Cos分箱到一級(jí)配電箱布線(xiàn)距離1#一級(jí)配電柜1號(hào)干線(xiàn)3-1號(hào)二級(jí)配電箱3#物流庫(kù)塔吊0.70.7570m2號(hào)干線(xiàn)3-2號(hào)二級(jí)配電箱3#物流庫(kù)鋼筋、木工加工區(qū)0.70.75150m3號(hào)干線(xiàn)3-3號(hào)二級(jí)配電箱3#物流庫(kù)樓層0.70.75120m4號(hào)干線(xiàn)4-1號(hào)二級(jí)配電箱4#物流庫(kù)塔吊0.70.7570m5號(hào)干線(xiàn)4-2號(hào)二級(jí)配電箱4#物流庫(kù)鋼筋、木工加工區(qū)0.70.75150m6號(hào)干線(xiàn)4-3號(hào)二級(jí)配電箱4#物流庫(kù)樓層0.70.75120m2#一級(jí)配電柜7號(hào)干線(xiàn)5-1號(hào)二級(jí)配電箱5#物流庫(kù)塔吊0.70.7570m8號(hào)干線(xiàn)5-2號(hào)二級(jí)配電箱5#物流庫(kù)鋼筋、木工加

20、工區(qū)0.70.75150m9號(hào)干線(xiàn)5-3號(hào)二級(jí)配電箱5#物流庫(kù)樓層0.70.75120m10號(hào)干線(xiàn)6-1號(hào)二級(jí)配電箱6#物流庫(kù)塔吊0.70.7570m11號(hào)干線(xiàn)6-2號(hào)二級(jí)配電箱6#物流庫(kù)鋼筋、木工加工區(qū)0.70.75150m12號(hào)干線(xiàn)6-3號(hào)二級(jí)配電箱6#物流庫(kù)樓層0.70.75120m3#一級(jí)配電柜13號(hào)干線(xiàn)7號(hào)二級(jí)配電箱辦公區(qū)14號(hào)干線(xiàn)8號(hào)二級(jí)配電箱生活區(qū)3.用電設(shè)備參數(shù)（1）1#一級(jí)配電柜用電設(shè)備參數(shù)（2）2#一級(jí)配電柜用電設(shè)備參數(shù)（3）3#一級(jí)配電柜用電設(shè)備參數(shù)4.臨電設(shè)備配置參數(shù)（1）1#一級(jí)配電柜各分箱用電設(shè)備配置參數(shù)（2）2#一級(jí)配電柜各分箱用電設(shè)備配置參數(shù)（3）3#一級(jí)配電柜

21、各分箱用電設(shè)備配置參數(shù)臨電初步設(shè)計(jì)原則施工現(xiàn)場(chǎng)臨時(shí)用電安全技術(shù)規(guī)范（JGJ46-2005）總則中以強(qiáng)制性條文規(guī)定，施工現(xiàn)場(chǎng)必須采納三級(jí)配電系統(tǒng)、必須采納TN-S接零愛(ài)護(hù)系統(tǒng)?，F(xiàn)場(chǎng)采納380V低壓供電，設(shè)一配電1#一級(jí)配電柜，采納TN-S系統(tǒng)供電。布置位置及線(xiàn)路走向參見(jiàn)臨時(shí)配電系統(tǒng)圖，采納三級(jí)配電，三級(jí)防護(hù)。按照J(rèn)GJ46-2005規(guī)定制定施工組織設(shè)計(jì)，接地電阻R4。按照J(rèn)GJ46-2005規(guī)定若為架空線(xiàn)路則“依照機(jī)械強(qiáng)度要求，絕緣銅線(xiàn)截面不小于10mm2，絕緣鋁線(xiàn)截面不小于16mm2”。 臨時(shí)用電計(jì)算用電負(fù)荷計(jì)算1、3-1號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)1#塔式起重機(jī)Kx = 0.7，Cos =

22、 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(2)2#塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 -

23、Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(3)LED泛光燈照明Kx = 0.6，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos =

24、(1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 2.00 0.40 (0.40 / 0.40)0.5 = 0.80kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 0.80 1000 / (1.732 380 0.60) = 1.22APjs = Kx Pe = 0.60 0.80 = 0.48kWQjs = Pjs tg = 0.48 1.33 = 0.64kvA(4)塔吊臂燈Kx = 0.6，Cos = 0.9，tg = (1 - Cos2)0.5/ Cos = (1 - 0.92)0.5 / 0.9 = 0.48Pe =

25、 n P (e/)0.5 = 8.00 1.00 (0.40 / 0.40)0.5 = 8.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 8.00 1000 / (1.732 380 0.90) = 8.10APjs = Kx Pe = 0.60 8.00 = 4.80kWQjs = Pjs tg = 4.80 0.48 = 2.32kvA(5)3-1號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue Cos) = 0.70 91.78 1000 / (1.732 380 0.75) = 130.15A；同時(shí)

26、要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max130.15,1.1max(67.89,67.89,1.22,8.10,) = 130.15A2、3-2號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)鋼筋切斷機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 2.20 (0.40 / 0.40)0.5 = 2.20kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 2.20 1000 / (1.732 380

27、 0.65) = 1.03APjs = Kx Pe = 0.20 2.20 = 0.44kWQjs = Pjs tg = 0.44 1.17 = 0.51kvA(2)鋼筋彎曲機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 2.00 3.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 6.00 1000 / (1.732 380 0.70) = 8.47APjs = Kx Pe =

28、0.65 6.00 = 3.90kWQjs = Pjs tg = 3.90 1.02 = 3.98kvA(3)鋼筋套絲機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 4.00 (0.40 / 0.40)0.5 = 4.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 4.00 1000 / (1.732 380 0.65) = 1.87APjs = Kx Pe = 0.20 4.00 = 0.80kWQjs = Pj

29、s tg = 0.80 1.17 = 0.94kvA(4)鋼筋箍筋彎曲機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 3.00 1000 / (1.732 380 0.65) = 1.40APjs = Kx Pe = 0.20 3.00 = 0.60kWQjs = Pjs tg = 0.60 1.17 = 0.70k

30、vA(5)數(shù)控鋼筋調(diào)直切斷機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 3.00 1000 / (1.732 380 0.65) = 1.40APjs = Kx Pe = 0.20 3.00 = 0.60kWQjs = Pjs tg = 0.60 1.17 = 0.70kvA(6)電動(dòng)切割機(jī)Kx = 0.3，Cos

31、 = 0.45，tg = (1 - Cos2)0.5/ Cos = (1 - 0.452)0.5 / 0.45 = 1.98Pe = n P (e/)0.5 = 1.00 1.80 (0.40 / 0.40)0.5 = 1.80kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 1.80 1000 / (1.732 380 0.45) = 1.82APjs = Kx Pe = 0.30 1.80 = 0.54kWQjs = Pjs tg = 0.54 1.98 = 1.07kvA(7)木工圓鋸Kx = 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/

32、 Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 1.00 1.50 (0.40 / 0.40)0.5 = 1.50kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 1.50 1000 / (1.732 380 0.60) = 2.47APjs = Kx Pe = 0.65 1.50 = 0.98kWQjs = Pjs tg = 0.98 1.33 = 1.30kvA(8)木工平刨床Kx = 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 =

33、 1.33Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 3.00 1000 / (1.732 380 0.60) = 4.94APjs = Kx Pe = 0.65 3.00 = 1.95kWQjs = Pjs tg = 1.95 1.33 = 2.60kvA(9)LED泛光燈照明Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.

34、00 0.30 (0.50 / 0.50)0.5 = 0.30kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 0.30 1000 / (1.732 380 0.70) = 0.20APjs = Kx Pe = 0.30 0.30 = 0.09kWQjs = Pjs tg = 0.09 1.02 = 0.09kvA(10)3-2號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue Cos) = 0.70 24.80 1000 / (1.732 380 0.75) = 35.17A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電

35、設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max35.17,1.1max(1.03,8.47,1.87,1.40,1.40,1.82,2.47,4.94,0.20,) = 35.17A3、3-3號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)插入式振動(dòng)器Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 4.00 1.10 (0.40 / 0.40)0.5 = 4.40kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 4.40 1000 / (1.732 3

36、80 0.70) = 2.87APjs = Kx Pe = 0.30 4.40 = 1.32kWQjs = Pjs tg = 1.32 1.02 = 1.35kvA(2)直流電焊機(jī)Kx = 0.3，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 4.00 10.00 (0.50 / 1.00)0.5 = 28.28kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 28.28 1000 / (1.732 380 0.60) = 21.49APjs = Kx

37、Pe = 0.30 28.28 = 8.49kWQjs = Pjs tg = 8.49 1.33 = 11.31kvA(3)沖擊錘鉆Kx = 0.2，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 6.00 1.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 6.00 1000 / (1.732 380 0.70) = 2.60APjs = Kx Pe = 0.20 6.00 = 1.20kWQjs =

38、 Pjs tg = 1.20 1.02 = 1.22kvA(4)樓層各種照明Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 10.00 (0.40 / 0.50)0.5 = 8.94kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 8.94 1000 / (1.732 380 0.70) = 5.82APjs = Kx Pe = 0.30 8.94 = 2.68kWQjs = Pjs tg = 2.68 1.02 = 2.74k

39、vA(5)3-3號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue Cos) = 0.70 47.63 1000 / (1.732 380 0.75) = 67.54A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max67.54,1.1max(2.87,21.49,2.60,5.82,) = 67.54A4、4-1號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)3#塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17

40、Pe = n P (e/)0.5 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(2)4#塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5

41、 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(3)LED泛光燈照明Kx = 0.6，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 2.00 0.40 (0.40

42、 / 0.40)0.5 = 0.80kWIj1 = Kx Pe / (1.732 Ue cos) = 0.60 0.80 1000 / (1.732 380 0.60) = 1.22APjs = Kx Pe = 0.60 0.80 = 0.48kWQjs = Pjs tg = 0.48 1.33 = 0.64kvA(4)塔吊臂燈Kx = 0.6，Cos = 0.9，tg = (1 - Cos2)0.5/ Cos = (1 - 0.92)0.5 / 0.9 = 0.48Pe = n P (e/)0.5 = 8.00 1.00 (0.40 / 0.40)0.5 = 8.00kWIj1 = Kx P

43、e / (1.732 Ue cos) = 0.60 8.00 1000 / (1.732 380 0.90) = 8.10APjs = Kx Pe = 0.60 8.00 = 4.80kWQjs = Pjs tg = 4.80 0.48 = 2.32kvA(5)4-1號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue Cos) = 0.70 91.78 1000 / (1.732 380 0.75) = 130.15A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max130.15,1.1max(67.8

44、9,67.89,1.22,8.10,) = 130.15A5、4-2號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)鋼筋切斷機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 2.20 (0.40 / 0.40)0.5 = 2.20kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 2.20 1000 / (1.732 380 0.65) = 1.03APjs = Kx Pe = 0.20 2.20 = 0.44kWQjs = Pjs tg =

45、 0.44 1.17 = 0.51kvA(2)鋼筋彎曲機(jī)Kx = 0.65，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 2.00 3.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 6.00 1000 / (1.732 380 0.70) = 8.47APjs = Kx Pe = 0.65 6.00 = 3.90kWQjs = Pjs tg = 3.90 1.02 = 3.98kvA(3)鋼筋套絲機(jī)

46、Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 4.00 (0.40 / 0.40)0.5 = 4.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 4.00 1000 / (1.732 380 0.65) = 1.87APjs = Kx Pe = 0.20 4.00 = 0.80kWQjs = Pjs tg = 0.80 1.17 = 0.94kvA(4)鋼筋箍筋彎曲機(jī)Kx = 0.2，Cos = 0.65，tg =

47、 (1 - Cos2)0.5/ Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 3.00 1000 / (1.732 380 0.65) = 1.40APjs = Kx Pe = 0.20 3.00 = 0.60kWQjs = Pjs tg = 0.60 1.17 = 0.70kvA(5)數(shù)控鋼筋調(diào)直切斷機(jī)Kx = 0.2，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos =

48、(1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 3.00 1000 / (1.732 380 0.65) = 1.40APjs = Kx Pe = 0.20 3.00 = 0.60kWQjs = Pjs tg = 0.60 1.17 = 0.70kvA(6)電動(dòng)切割機(jī)Kx = 0.3，Cos = 0.45，tg = (1 - Cos2)0.5/ Cos = (1 - 0.452)0.5 / 0.45 = 1.

49、98Pe = n P (e/)0.5 = 1.00 1.80 (0.40 / 0.40)0.5 = 1.80kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 1.80 1000 / (1.732 380 0.45) = 1.82APjs = Kx Pe = 0.30 1.80 = 0.54kWQjs = Pjs tg = 0.54 1.98 = 1.07kvA(7)木工圓鋸Kx = 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 1.00 1.5

50、0 (0.40 / 0.40)0.5 = 1.50kWIj1 = Kx Pe / (1.732 Ue cos) = 0.65 1.50 1000 / (1.732 380 0.60) = 2.47APjs = Kx Pe = 0.65 1.50 = 0.98kWQjs = Pjs tg = 0.98 1.33 = 1.30kvA(8)木工平刨床Kx = 0.65，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 1.00 3.00 (0.40 / 0.40)0.5 = 3.00kWI

51、j1 = Kx Pe / (1.732 Ue cos) = 0.65 3.00 1000 / (1.732 380 0.60) = 4.94APjs = Kx Pe = 0.65 3.00 = 1.95kWQjs = Pjs tg = 1.95 1.33 = 2.60kvA(9)LED泛光燈照明Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 0.30 (0.50 / 0.50)0.5 = 0.30kWIj1 = Kx Pe / (1.732 Ue cos

52、) = 0.30 0.30 1000 / (1.732 380 0.70) = 0.20APjs = Kx Pe = 0.30 0.30 = 0.09kWQjs = Pjs tg = 0.09 1.02 = 0.09kvA(10)4-2號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue Cos) = 0.70 24.80 1000 / (1.732 380 0.75) = 35.17A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max35.17,1.1max(1.03,8.47,1.87,1.40,1.

53、40,1.82,2.47,4.94,0.20,) = 35.17A6、4-3號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)插入式振動(dòng)器Kx = 0.3，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 4.00 1.10 (0.40 / 0.40)0.5 = 4.40kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 4.40 1000 / (1.732 380 0.70) = 2.87APjs = Kx Pe = 0.30 4.40 = 1.32kWQjs = Pjs tg

54、 = 1.32 1.02 = 1.35kvA(2)直流電焊機(jī)Kx = 0.3，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.33Pe = n P (e/)0.5 = 4.00 10.00 (0.50 / 1.00)0.5 = 28.28kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 28.28 1000 / (1.732 380 0.60) = 21.49APjs = Kx Pe = 0.30 28.28 = 8.49kWQjs = Pjs tg = 8.49 1.33 = 11.31kvA(

55、3)沖擊錘鉆Kx = 0.2，Cos = 0.7，tg = (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 6.00 1.00 (0.40 / 0.40)0.5 = 6.00kWIj1 = Kx Pe / (1.732 Ue cos) = 0.20 6.00 1000 / (1.732 380 0.70) = 2.60APjs = Kx Pe = 0.20 6.00 = 1.20kWQjs = Pjs tg = 1.20 1.02 = 1.22kvA(4)樓層各種照明Kx = 0.3，Cos = 0.7，tg

56、= (1 - Cos2)0.5/ Cos = (1 - 0.72)0.5 / 0.7 = 1.02Pe = n P (e/)0.5 = 1.00 10.00 (0.40 / 0.50)0.5 = 8.94kWIj1 = Kx Pe / (1.732 Ue cos) = 0.30 8.94 1000 / (1.732 380 0.70) = 5.82APjs = Kx Pe = 0.30 8.94 = 2.68kWQjs = Pjs tg = 2.68 1.02 = 2.74kvA(5)4-3號(hào)二級(jí)配電箱計(jì)算負(fù)荷用電設(shè)備同期使用系數(shù)Kx=0.70；Ijs = Kx Pe / (1.732 Ue

57、Cos) = 0.70 47.63 1000 / (1.732 380 0.75) = 67.54A；同時(shí)要求分箱用電負(fù)荷不得小于分箱下用電設(shè)備最大計(jì)算負(fù)荷的1.1倍，故：Ijs = max67.54,1.1max(2.87,21.49,2.60,5.82,) = 67.54A7、1#一級(jí)配電柜計(jì)算負(fù)荷總的計(jì)算負(fù)荷計(jì)算，一級(jí)配電柜用電設(shè)備同期使用系數(shù)取Kx = 0.80總的有功功率： Pjs = KxPjs = 0.80 173.90 = 139.12kW總的無(wú)功功率： Qjs = KxQjs = 0.80 198.78 = 159.02kvar總的視在功率： Sjs = (Pjs2 + Qj

58、s2)0.5 = (139.12 139.12 + 159.02 159.02)0.5 = 211.29kVA總的計(jì)算電流計(jì)算：Ijs = Sjs 1000 /(1.732 Ue) = 211.29 1000 / (1.732 380) = 321.03A同時(shí)要求1#一級(jí)配電柜下計(jì)算負(fù)荷不得小于分箱計(jì)算負(fù)荷的1.1倍，故：Ijs = max321.03,1.1max(130.15,35.17,67.54,130.15,35.17,67.54,) = 321.03A8、5-1號(hào)二級(jí)配電箱設(shè)備用電負(fù)荷(1)5#塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/

59、 Cos = (1 - 0.652)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(2)6#塔式起重機(jī)Kx = 0.7，Cos = 0.65，tg = (1 - Cos2)0.5/ Cos = (1 - 0.65

60、2)0.5 / 0.65 = 1.17Pe = n P (e/)0.5 = 1.00 32.80 (0.40 / 0.25)0.5 = 41.49kWIj1 = Kx Pe / (1.732 Ue cos) = 0.70 41.49 1000 / (1.732 380 0.65) = 67.89APjs = Kx Pe = 0.70 41.49 = 29.04kWQjs = Pjs tg = 29.04 1.17 = 33.95kvA(3)LED泛光燈照明Kx = 0.6，Cos = 0.6，tg = (1 - Cos2)0.5/ Cos = (1 - 0.62)0.5 / 0.6 = 1.3