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1、富士康科技集團蘭考園區(qū)G11廠房施工現(xiàn)場臨時用電施工方案 編制: 審核: 山西省宏圖建設(shè)集團有限公司 2017年3月5日目 錄第一章 工程概況41.1 工程信息41.2 臨電概況4第二章 編制依據(jù)4第三章 施工現(xiàn)場臨時用電平面布置圖5第四章 臨時用電設(shè)計54.1 現(xiàn)場勘探及初步設(shè)計54.2 施工現(xiàn)場用電量統(tǒng)計表54.2.1 總配箱統(tǒng)計表54.3 供電系統(tǒng)結(jié)構(gòu)表74.3.1 總配箱結(jié)構(gòu)表74.4 確定用電負荷84.4.1 總配箱用電負荷84.5 選擇變壓器164.6 選擇總箱的進線截面及進線開關(guān)164.6.1 總配箱進線164.7 干1線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇174.8 干2

2、線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇234.9 干3線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇304.10 干4線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇364.11 干5線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇404.12 繪制臨時供電施工圖44總配箱 - 供電系統(tǒng)圖44第五章 安全用電技術(shù)措施485.1 安全用電技術(shù)措施495.2 安全用電組織措施585.3 自備電源的安全技術(shù)要求585.4 外電防護的安全技術(shù)要求60第六章 安全用電防火措施616.1 施工現(xiàn)場發(fā)生火災的主要原因616.2 預防電氣火災的措施61第七章 現(xiàn)場安全技術(shù)檔案63第八章 安全距離與外電防護63第九

3、章 現(xiàn)場臨時用電管理制度64第十章 安全、文明施工65第十一章 觸電事故的應急處理 66第一章 工程概況1.1 工程信息工程名稱:富士康科技集團蘭考園區(qū)G11廠房工程地址:濟陽路與清源路交叉路口結(jié)構(gòu)類型:框架結(jié)構(gòu)計劃工期:180天施工面積:19858.05總高度:21.1層數(shù):3標準層高:6.51.2 臨電概況 本工程施工現(xiàn)場臨時用電總電源由建設(shè)單位提供,一臺242.56 KVA的變壓器,從變壓器引入施工現(xiàn)場的總配箱,再從總配箱引出共5條干線到各個分配電箱,最后由各分配電箱引出分線到各開關(guān)箱,為整個施工現(xiàn)場供電。施工現(xiàn)場臨時用電配電線路按照國家相關(guān)規(guī)范要求以及現(xiàn)場場地的實際情況進行敷

4、設(shè)。第二章 編制依據(jù)1、施工現(xiàn)場臨時用電安全技術(shù)規(guī)范JGJ46-20052、建筑工程施工現(xiàn)場供電安全規(guī)范GB50194-20143、低壓配電設(shè)計規(guī)范GB50054-20114、通用用電設(shè)備配電設(shè)計規(guī)范GB50055-20115、供配電系統(tǒng)設(shè)計規(guī)范GB50052-20096、建筑施工安全檢查標準JGJ59-20117、建筑施工計算手冊第三章 施工現(xiàn)場臨時用電平面布置圖第四章 臨時用電設(shè)計4.1 現(xiàn)場勘探及初步設(shè)計(1) 本工程所在施工現(xiàn)場范圍內(nèi)無各種埋地管線。(2) 現(xiàn)場采用380V低壓供電,設(shè)1個配電總箱,內(nèi)有計量設(shè)備,采用TN-S系統(tǒng)供電。(3) 根據(jù)施工現(xiàn)場用電設(shè)備布置情況,總線0采用電纜

5、線空氣明敷,干1采用電纜線埋地敷設(shè),干2采用電纜線埋地敷設(shè),干3采用電纜線埋地敷設(shè),干4采用電纜線埋地敷設(shè),干5采用電纜線埋地敷設(shè),分1采用電纜線空氣明敷,分2采用電纜線空氣明敷,分3采用電纜線空氣明敷,分4采用電纜線空氣明敷,分5采用電纜線空氣明敷,分6采用電纜線空氣明敷,分7采用電纜線空氣明敷,分8采用電纜線空氣明敷,布置位置及線路走向參見臨時配電系統(tǒng)圖及現(xiàn)場平面圖,采用三級配電,兩極防護。4.2 施工現(xiàn)場用電量統(tǒng)計表4.2.1 總配箱統(tǒng)計表序號設(shè)備名稱銘牌功率(kW)安裝功率(kW)數(shù)量合計功率(kW)1鋼筋彎曲機_GW403.003.0026.002直流電焊機_AX1-165(AB-1

6、65)6.00kVA1.7123.423交流電焊機_BX3-120-19.00kVA2.5612.564鋼筋調(diào)直切斷機_GT4/144.004.0014.005鋼筋切斷機5.505.50211.006鋼筋調(diào)直切斷機_GT6/1411.0011.00222.007圓盤鋸5.005.0015.008砂輪鋸2.002.00510.009插入式振動器_ZX50C1.101.1033.3010平板振動器2.502.5012.5011水泵3.003.0013.0012塔式起重機_QT40(TQ2-6)48.0060.723182.1613套絲切管機_TQ-31.001.0011.0014電動液壓彎管機_W

7、YQ1.101.1011.1015蛙式夯機2.802.8038.4016灰漿攪拌機_UJ3253.003.0013.0017地面磨光機_DM-600.400.4010.4018警衛(wèi)照明(1000W/km)5.005.0015.0019混凝土澆筑照明1.001.0022.0020車輛人行主干道照明2.002.0012.0021磚石工程照明1.201.2011.2022設(shè)備堆放照明0.800.8010.8023半成品堆放照明0.800.8010.8024鋼筋室外加工照明8.008.00216.0025木材加工鋸木照明5.005.0015.0026木材加工模板照明8.008.0018.0027合計3

8、09.644.3 供電系統(tǒng)結(jié)構(gòu)表4.3.1 總配箱結(jié)構(gòu)表總配箱干1分1鋼筋彎曲機_GW40開關(guān)箱鋼筋彎曲機_GW40鋼筋彎曲機_GW40開關(guān)箱鋼筋彎曲機_GW40直流電焊機_AX1-165(AB-165)開關(guān)箱直流電焊機_AX1-165(AB-165)直流電焊機_AX1-165(AB-165)開關(guān)箱直流電焊機_AX1-165(AB-165)交流電焊機_BX3-120-1開關(guān)箱交流電焊機_BX3-120-1分2鋼筋調(diào)直切斷機_GT4/14開關(guān)箱鋼筋調(diào)直切斷機_GT4/14鋼筋切斷機開關(guān)箱鋼筋切斷機鋼筋切斷機開關(guān)箱鋼筋切斷機鋼筋調(diào)直切斷機_GT6/14開關(guān)箱鋼筋調(diào)直切斷機_GT6/14鋼筋調(diào)直切斷

9、機_GT6/14開關(guān)箱鋼筋調(diào)直切斷機_GT6/14干2分3圓盤鋸開關(guān)箱圓盤鋸砂輪鋸開關(guān)箱砂輪鋸砂輪鋸開關(guān)箱砂輪鋸砂輪鋸開關(guān)箱砂輪鋸砂輪鋸開關(guān)箱砂輪鋸砂輪鋸開關(guān)箱砂輪鋸分4插入式振動器_ZX50C開關(guān)箱插入式振動器_ZX50C插入式振動器_ZX50C開關(guān)箱插入式振動器_ZX50C插入式振動器_ZX50C開關(guān)箱插入式振動器_ZX50C平板振動器開關(guān)箱平板振動器水泵開關(guān)箱水泵干3分5塔式起重機_QT40(TQ2-6)開關(guān)箱塔式起重機_QT40(TQ2-6)塔式起重機_QT40(TQ2-6)開關(guān)箱塔式起重機_QT40(TQ2-6)塔式起重機_QT40(TQ2-6)開關(guān)箱塔式起重機_QT40(TQ2-6

10、)分6套絲切管機_TQ-3開關(guān)箱套絲切管機_TQ-3電動液壓彎管機_WYQ開關(guān)箱電動液壓彎管機_WYQ蛙式夯機開關(guān)箱蛙式夯機蛙式夯機開關(guān)箱蛙式夯機蛙式夯機開關(guān)箱蛙式夯機灰漿攪拌機_UJ325開關(guān)箱灰漿攪拌機_UJ325地面磨光機_DM-60開關(guān)箱地面磨光機_DM-60干4分7警衛(wèi)照明(1000W/km)開關(guān)箱警衛(wèi)照明(1000W/km)混凝土澆筑照明開關(guān)箱混凝土澆筑照明車輛人行主干道照明開關(guān)箱車輛人行主干道照明磚石工程照明開關(guān)箱磚石工程照明設(shè)備堆放照明開關(guān)箱設(shè)備堆放照明半成品堆放照明開關(guān)箱半成品堆放照明混凝土澆筑照明開關(guān)箱混凝土澆筑照明干5分8鋼筋室外加工照明開關(guān)箱鋼筋室外加工照明鋼筋室外加工

11、照明開關(guān)箱鋼筋室外加工照明木材加工鋸木照明開關(guān)箱木材加工鋸木照明木材加工模板照明開關(guān)箱木材加工模板照明4.4 確定用電負荷4.4.1 總配箱用電負荷(1)鋼筋彎曲機_GW40組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 3.00 = 2.10kWQjs = Pjs×tg = 2.10× 2.29 = 4.81kVar(2)鋼筋彎曲機_GW40組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 3.00 = 2.10kWQjs =

12、Pjs×tg = 2.10× 2.29 = 4.81kVar(3)直流電焊機_AX1-165(AB-165)組Kx = 0.45,Cos = 0.45,tg = 1.98將Jc = 40%統(tǒng)一換算到Jc = 100%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/1.00)1/2×2.70 = 1.71kWPjs = Kx×Pe = 0.45× 1.71 = 0.77kWQjs = Pjs×tg = 0.77× 1.98 = 1.52kVar(4)直流電焊機_AX1-1

13、65(AB-165)組Kx = 0.45,Cos = 0.45,tg = 1.98將Jc = 40%統(tǒng)一換算到Jc = 100%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/1.00)1/2×2.70 = 1.71kWPjs = Kx×Pe = 0.45× 1.71 = 0.77kWQjs = Pjs×tg = 0.77× 1.98 = 1.52kVar(5)交流電焊機_BX3-120-1組Kx = 0.45,Cos = 0.45,tg = 1.98將Jc = 40%統(tǒng)一換算到Jc =

14、100%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/1.00)1/2×4.05 = 2.56kWPjs = Kx×Pe = 0.45× 2.56 = 1.15kWQjs = Pjs×tg = 1.15× 1.98 = 2.29kVar(6)鋼筋調(diào)直切斷機_GT4/14組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 4.00 = 2.80kWQjs = Pjs×tg = 2.80× 2.29 =

15、 6.42kVar(7)鋼筋切斷機組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 5.50 = 3.85kWQjs = Pjs×tg = 3.85× 2.29 = 8.82kVar(8)鋼筋切斷機組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 5.50 = 3.85kWQjs = Pjs×tg = 3.85× 2.29 = 8.82kVar(9)鋼筋調(diào)直切斷機_GT6/14組Kx = 0.70,Cos = 0

16、.40,tg = 2.29Pjs = Kx×Pe = 0.70× 11.00 = 7.70kWQjs = Pjs×tg = 7.70× 2.29 = 17.64kVar(10)鋼筋調(diào)直切斷機_GT6/14組Kx = 0.70,Cos = 0.40,tg = 2.29Pjs = Kx×Pe = 0.70× 11.00 = 7.70kWQjs = Pjs×tg = 7.70× 2.29 = 17.64kVar(11)圓盤鋸組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe =

17、 0.70× 5.00 = 3.50kWQjs = Pjs×tg = 3.50× 1.02 = 3.57kVar(12)砂輪鋸組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.00 = 1.40kWQjs = Pjs×tg = 1.40× 1.02 = 1.43kVar(13)砂輪鋸組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.00 = 1.40kWQjs = Pjs×tg = 1

18、.40× 1.02 = 1.43kVar(14)砂輪鋸組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.00 = 1.40kWQjs = Pjs×tg = 1.40× 1.02 = 1.43kVar(15)砂輪鋸組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.00 = 1.40kWQjs = Pjs×tg = 1.40× 1.02 = 1.43kVar(16)砂輪鋸組Kx = 0.70,Cos

19、 = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.00 = 1.40kWQjs = Pjs×tg = 1.40× 1.02 = 1.43kVar(17)插入式振動器_ZX50C組Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = Kx×Pe = 0.70× 1.10 = 0.77kWQjs = Pjs×tg = 0.77× 1.08 = 0.83kVar(18)插入式振動器_ZX50C組Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = Kx

20、15;Pe = 0.70× 1.10 = 0.77kWQjs = Pjs×tg = 0.77× 1.08 = 0.83kVar(19)插入式振動器_ZX50C組Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = Kx×Pe = 0.70× 1.10 = 0.77kWQjs = Pjs×tg = 0.77× 1.08 = 0.83kVar(20)平板振動器組Kx = 0.70,Cos = 0.68,tg = 1.08Pjs = Kx×Pe = 0.70× 2.50 = 1.75kWQjs

21、 = Pjs×tg = 1.75× 1.08 = 1.89kVar(21)水泵組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 3.00 = 2.10kWQjs = Pjs×tg = 2.10× 1.02 = 2.14kVar(22)塔式起重機_QT40(TQ2-6)組Kx = 0.30,Cos = 0.70,tg = 1.02將Jc = 40%統(tǒng)一換算到Jc = 25%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/0.25)

22、1/2×48.00 = 60.72kWPjs = Kx×Pe = 0.30× 60.72 = 18.21kWQjs = Pjs×tg = 18.21× 1.02 = 18.58kVar(23)塔式起重機_QT40(TQ2-6)組Kx = 0.30,Cos = 0.70,tg = 1.02將Jc = 40%統(tǒng)一換算到Jc = 25%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/0.25)1/2×48.00 = 60.72kWPjs = Kx×Pe = 0.30×

23、; 60.72 = 18.21kWQjs = Pjs×tg = 18.21× 1.02 = 18.58kVar(24)塔式起重機_QT40(TQ2-6)組Kx = 0.30,Cos = 0.70,tg = 1.02將Jc = 40%統(tǒng)一換算到Jc = 25%的額定容量Pe = n×(Jc/Jc1)1/2×Pn = 1×(0.40/0.25)1/2×48.00 = 60.72kWPjs = Kx×Pe = 0.30× 60.72 = 18.21kWQjs = Pjs×tg = 18.21× 1.0

24、2 = 18.58kVar(25)套絲切管機_TQ-3組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 1.00 = 0.70kWQjs = Pjs×tg = 0.70× 1.02 = 0.71kVar(26)電動液壓彎管機_WYQ組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 1.10 = 0.77kWQjs = Pjs×tg = 0.77× 1.02 = 0.79kVar(27)蛙式夯機組Kx = 0.70

25、,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.80 = 1.96kWQjs = Pjs×tg = 1.96× 1.02 = 2.00kVar(28)蛙式夯機組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 2.80 = 1.96kWQjs = Pjs×tg = 1.96× 1.02 = 2.00kVar(29)蛙式夯機組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70

26、× 2.80 = 1.96kWQjs = Pjs×tg = 1.96× 1.02 = 2.00kVar(30)灰漿攪拌機_UJ325組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 3.00 = 2.10kWQjs = Pjs×tg = 2.10× 1.02 = 2.14kVar(31)地面磨光機_DM-60組Kx = 0.70,Cos = 0.70,tg = 1.02Pjs = Kx×Pe = 0.70× 0.40 = 0.28kWQjs = Pjs&

27、#215;tg = 0.28× 1.02 = 0.29kVar(32)警衛(wèi)照明(1000W/km)組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 5.00 = 5.00kWQjs = Pjs×tg = 5.00× 0 = 0.00kVar(33)混凝土澆筑照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 1.00 = 1.00kWQjs = Pjs×tg = 1.00× 0 = 0.00kVar(34)車輛人

28、行主干道照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 2.00 = 2.00kWQjs = Pjs×tg = 2.00× 0 = 0.00kVar(35)磚石工程照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 1.20 = 1.20kWQjs = Pjs×tg = 1.20× 0 = 0.00kVar(36)設(shè)備堆放照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe =

29、 1.00× 0.80 = 0.80kWQjs = Pjs×tg = 0.80× 0 = 0.00kVar(37)半成品堆放照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 0.80 = 0.80kWQjs = Pjs×tg = 0.80× 0 = 0.00kVar(38)混凝土澆筑照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 1.00 = 1.00kWQjs = Pjs×tg = 1.00&

30、#215; 0 = 0.00kVar(39)鋼筋室外加工照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 8.00 = 8.00kWQjs = Pjs×tg = 8.00× 0 = 0.00kVar(40)鋼筋室外加工照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 8.00 = 8.00kWQjs = Pjs×tg = 8.00× 0 = 0.00kVar(41)木材加工鋸木照明組Kx = 1.00,Cos = 1

31、.00,tg = 0Pjs = Kx×Pe = 1.00× 5.00 = 5.00kWQjs = Pjs×tg = 5.00× 0 = 0.00kVar(42)木材加工模板照明組Kx = 1.00,Cos = 1.00,tg = 0Pjs = Kx×Pe = 1.00× 8.00 = 8.00kWQjs = Pjs×tg = 8.00× 0 = 0.00kVar(43)總的計算負荷計算,干線同期系數(shù)取 Kx = 1.00總的有功功率Pjs = 1.1×Kx×Pjs = 1.1×1.00

32、×(2.10+2.10+0.77+0.77+1.15+2.80+3.85+3.85+7.70+7.70+3.50+1.40+1.40+1.40+1.40+1.40+0.77+0.77+0.77+1.75+2.10+18.21+18.21+18.21+0.70+0.77+1.96+1.96+1.96+2.10+0.28+5.00+1.00+2.00+1.20+0.80+0.80+1.00+8.00+8.00+5.00+8.00) = 170.09kW總的無功功率Qjs =1.1×Kx×Qjs = 1.1×1.00×(4.81+4.81+1.52+

33、1.52+2.29+6.42+8.82+8.82+17.64+17.64+3.57+1.43+1.43+1.43+1.43+1.43+0.83+0.83+0.83+1.89+2.14+18.58+18.58+18.58+0.71+0.79+2.00+2.00+2.00+2.14+0.29+0.00+0.00+0.00+0.00+0.00+0.00+0.00+0.00+0.00+0.00+0.00) = 172.93kVar總的視在功率Sjs = (Pjs2+Qjs2)1/2 = (170.092+172.932)1/2 = 242.56kVA總的計算電流計算Ijs = Sjs/(1.732&#

34、215;Ue) = 242.56/(1.732×0.38) = 368.54A由于總配線計算電流小于其干線電流值,所以取干線最大電流值:382.27A4.5 選擇變壓器 根據(jù)計算的總的視在功率選擇SL7-315/10型三相電力變壓器,它的容量為315.00kVA242.56kVA×1.20(增容系數(shù))能夠滿足使用要求,其高壓側(cè)電壓為10.00kV同施工現(xiàn)場外的高壓架空線路的電壓級別一致。4.6 選擇總箱的進線截面及進線開關(guān)4.6.1 總配箱進線(1)選擇導線截面: i) 按安全載流量: 上面已經(jīng)計算出總計算電流Ijs = 382.27A ii) 按允許電壓降: S = 1.

35、1×Kx×(PL)/CU = 1.1 ×1.00×8248.50/(77.00×5.00) = 23.57mm2 iii) 根據(jù)前面兩條: 電纜線空氣明敷,銅芯聚氯乙烯絕緣電纜線VV3×240+2×120,其安全載流量為407A,截面面積240mm2,能夠滿足使用要求。(2)選擇總進線開關(guān):DZ10-600/3,其脫扣器整定電流值為Ir = 480A。(3)選擇總箱中漏電保護器:ZBM1-630/400。4.7 干1線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇 在選擇前應對照平面圖和系統(tǒng)圖先由用電設(shè)備至開關(guān)箱計算,再由開關(guān)箱

36、至分配箱計算,選擇導線及開關(guān)設(shè)備。分1至開關(guān)箱,開關(guān)箱至用電設(shè)備采用銅芯聚氯乙烯絕緣電纜線空氣明敷。分2至開關(guān)箱,開關(guān)箱至用電設(shè)備采用銅芯聚氯乙烯絕緣電纜線空氣明敷。(1)鋼筋彎曲機_GW40開關(guān)箱至鋼筋彎曲機_GW40導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×3.00/(1.732×0.38×0.40) = 11.40Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×9.00/(77.00

37、×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為RMM1-63/12。(2)鋼筋彎曲機_GW40開關(guān)箱至鋼筋彎曲機_GW40導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×3.00/(1.732×0.38×0.40) = 11.40Aii)選擇導線按允許電壓降:

38、S = Kx×(PL)/CU = 1.0×9.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為RMM1-63/12。(3)直流電焊機_AX1-165(AB-165)開關(guān)箱至直流電焊機_AX1-165(AB-165)導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.45Ijs = Kx×Pe/(1.732×Ue×Cos) =

39、1.0×1.71/(1.732×0.38×0.45) = 5.77Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×8.10/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(4)直流電焊機_AX1-165(AB-165)開關(guān)箱至直流電焊機_AX1-165(AB-165)導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流

40、Kx 取 1.0,Cos = 0.45Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×1.71/(1.732×0.38×0.45) = 5.77Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×8.10/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(5)交流電焊

41、機_BX3-120-1開關(guān)箱至交流電焊機_BX3-120-1導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.45Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.56/(1.732×0.38×0.45) = 8.64Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×12.15/(77.00×5.00) = 0.03mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為

42、DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(6)鋼筋調(diào)直切斷機_GT4/14開關(guān)箱至鋼筋調(diào)直切斷機_GT4/14導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×4.00/(1.732×0.38×0.40) = 15.19Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×12.00/(77.00×5.00) = 0.03mm2選擇VV3

43、15;4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ15-40/3,其脫扣器整定電流值為Ir = 32A。漏電保護器為ZBM1-100/16。(7)鋼筋切斷機開關(guān)箱至鋼筋切斷機導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×5.50/(1.732×0.38×0.40) = 20.89Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×16.50/

44、(77.00×5.00) = 0.04mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ15-40/3,其脫扣器整定電流值為Ir = 32A。漏電保護器為ZBM1-100/25。(8)鋼筋切斷機開關(guān)箱至鋼筋切斷機導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×5.50/(1.732×0.38×0.40) = 20.89Aii)選擇導線按允許電壓降:S

45、= Kx×(PL)/CU = 1.0×16.50/(77.00×5.00) = 0.04mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ15-40/3,其脫扣器整定電流值為Ir = 32A。漏電保護器為ZBM1-100/25。(9)鋼筋調(diào)直切斷機_GT6/14開關(guān)箱至鋼筋調(diào)直切斷機_GT6/14導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×11.0

46、0/(1.732×0.38×0.40) = 41.78Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×33.00/(77.00×5.00) = 0.09mm2選擇VV3×10+2×6,空氣明敷時其安全載流量為53A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ15-63/3,其脫扣器整定電流值為Ir = 49A。漏電保護器為ZBM1-100/50。(10)鋼筋調(diào)直切斷機_GT6/14開關(guān)箱至鋼筋調(diào)直切斷機_GT6/14導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.40Ijs

47、 = Kx×Pe/(1.732×Ue×Cos) = 1.0×11.00/(1.732×0.38×0.40) = 41.78Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×33.00/(77.00×5.00) = 0.09mm2選擇VV3×10+2×6,空氣明敷時其安全載流量為53A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ15-63/3,其脫扣器整定電流值為Ir = 49A。漏電保護器為ZBM1-100/50。(11)分1至第1組電機的開關(guān)箱的導線截面及分配箱

48、內(nèi)開關(guān)的選擇i)Ijs = 30.31Aii)選擇導線選擇VV3×6+2×4,空氣明敷時其安全載流量為39A。室外架空銅芯電纜線按機械強度的最小截面為10mm2,滿足要求。iii)選擇電氣設(shè)備選擇分配箱內(nèi)開關(guān)為 DZ15-40/3 ,其脫扣器整定電流值為Ir = 32A。(12)分2至第1組電機的開關(guān)箱的導線截面及分配箱內(nèi)開關(guān)的選擇i)Ijs = 98.38Aii)選擇導線選擇VV3×35+2×16,空氣明敷時其安全載流量為115A。室外架空銅芯電纜線按機械強度的最小截面為10mm2,滿足要求。iii)選擇電氣設(shè)備選擇分配箱內(nèi)開關(guān)為 DZ10-250/3

49、 ,其脫扣器整定電流值為Ir = 200A。(13)分1進線及進線開關(guān)的選擇i)計算電流Kx = 0.70,Cos = 0.60Ijs =1.1× Kx×Pe/(1.732×Ue×Cos) = 1.1×0.70×(3.00×1+3.00×1+1.71×1+1.71×1+2.56×1)/(1.732×0.38×0.60) = 23.35A由于計算電流小于該分配箱下支線電流,所以取最大支線電流值:30.31Aii)選擇導線按允許電壓降:S =1.1× Kx&#

50、215;(PL)/CU = 1.1×0.70×35.93/(77.00×5.00) = 0.07mm2選擇VV3×4+2×2.5,埋地敷設(shè)時其安全載流量為30A。iii)選擇電氣設(shè)備選擇分配箱進線開關(guān)為DZ5-50/3,其脫扣器整定電流值為Ir = 40A。(14)分2進線及進線開關(guān)的選擇i)計算電流Kx = 0.70,Cos = 0.60Ijs =1.1× Kx×Pe/(1.732×Ue×Cos) = 1.1×0.70×(4.00×1+5.50×1+5.50

51、15;1+11.00×1+11.00×1)/(1.732×0.38×0.60) = 72.15A由于計算電流小于該分配箱下支線電流,所以取最大支線電流值:98.38Aii)選擇導線按允許電壓降:S =1.1× Kx×(PL)/CU = 1.1×0.70×111.00/(77.00×5.00) = 0.22mm2選擇VV3×25+2×16,埋地敷設(shè)時其安全載流量為94A。iii)選擇電氣設(shè)備選擇分配箱進線開關(guān)為DZ10-250/3,其脫扣器整定電流值為Ir = 200A。(15)干1導線

52、截面及出線開關(guān)的選擇i)選擇導線截面按導線安全載流量:Kx = 0.70,Cos = 0.60Ijs =1.1× Kx×Pe/(1.732×Ue×Cos) = 1.1×0.70×48.98/(1.732×0.38×0.60) = 95.50A由于計算電流小于該干線下支線電流,所以取最大支線電流值:98.38A按允許電壓降:S =1.1× Kx×(PL)/CU = 1.1×0.70×979.53/(77.00×5.00) = 1.96mm2選擇VV3×25+

53、2×16,埋地敷設(shè)時其安全載流量為110A。ii)選擇出線開關(guān)干1出線開關(guān)選擇DZ10-250/3,其脫扣器整定電流值為Ir = 200A。4.8 干2線路上導線截面及分配箱、開關(guān)箱內(nèi)電氣設(shè)備選擇 在選擇前應對照平面圖和系統(tǒng)圖先由用電設(shè)備至開關(guān)箱計算,再由開關(guān)箱至分配箱計算,選擇導線及開關(guān)設(shè)備。分3至開關(guān)箱,開關(guān)箱至用電設(shè)備采用銅芯聚氯乙烯絕緣電纜線空氣明敷。分4至開關(guān)箱,開關(guān)箱至用電設(shè)備采用銅芯聚氯乙烯絕緣電纜線空氣明敷。(1)圓盤鋸開關(guān)箱至圓盤鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.70Ijs = Kx×Pe/(1.732×

54、;Ue×Cos) = 1.0×5.00/(1.732×0.38×0.70) = 10.85Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×15.00/(77.00×5.00) = 0.04mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為RMM1-63/12。(2)砂輪鋸開關(guān)箱至砂輪鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.7

55、0Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.00/(1.732×0.38×0.70) = 4.34Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×6.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(3)砂輪鋸開關(guān)箱至砂輪鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)

56、備選擇i)計算電流Kx 取 1.0,Cos = 0.70Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.00/(1.732×0.38×0.70) = 4.34Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×6.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/1

57、0。(4)砂輪鋸開關(guān)箱至砂輪鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.70Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.00/(1.732×0.38×0.70) = 4.34Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×6.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電

58、流值為Ir = 16A。漏電保護器為ZBM1-63/10。(5)砂輪鋸開關(guān)箱至砂輪鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.70Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.00/(1.732×0.38×0.70) = 4.34Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×6.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣

59、設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(6)砂輪鋸開關(guān)箱至砂輪鋸導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.70Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×2.00/(1.732×0.38×0.70) = 4.34Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×6.00/(77.00×5.00) = 0.02mm2選擇VV3×4+2×2

60、.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(7)插入式振動器_ZX50C開關(guān)箱至插入式振動器_ZX50C導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流Kx 取 1.0,Cos = 0.68Ijs = Kx×Pe/(1.732×Ue×Cos) = 1.0×1.10/(1.732×0.38×0.68) = 2.46Aii)選擇導線按允許電壓降:S = Kx×(PL)/CU = 1.0×3.30/(77.00×5.00) = 0.01mm2選擇VV3×4+2×2.5,空氣明敷時其安全載流量為30A。iii)選擇電氣設(shè)備選擇開關(guān)箱內(nèi)開關(guān)為DZ5-20/3,其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM1-63/10。(8)插入式振動器_ZX50C開關(guān)箱至插入式振動器_ZX50C導線截面及開關(guān)箱內(nèi)電氣設(shè)備選擇i)計算電流K

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