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1、變壓器容量計算表 名稱 組別額定功率輸入容量需要系數功率因數功率因數正切有功功率無功功率視在功率低壓額定電流10kV額定電流有功功率同期系數(0.80.9)無功功率同期系數(0.930.97)無功功率補償率用電設備Pe(kW)S(kV.A)KxcostgPjs(kW)Qjs(kvar)Sjs(kV.A)Ijs(A)Igs(A)KpKqqc1#照明及電熱344.000.750.800.75258.00193.50322.502#照明及電熱302.000.750.800.75226.50169.88283.13辦公及商住樓240.000.700.800.75168.00126.00210.00自動2、扶梯30.000.600.501.7318.0031.1836.00廚房電力120.000.700.701.0284.0085.70120.00電梯112.000.400.501.7344.8077.6089.60防排煙風機42.000.900.800.7537.8028.3547.25卷簾門48.000.600.701.0228.8029.3841.140.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.0003、.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.00合計1238.00865.90741.581140.05同時系數0.740.90779.31704.501050.541596.140.900.95電容補償448.350.58電容補償后0.950.33779.31256.15820.331246.36功率損耗8.2041.02總計0.840.94787.51297.16841.711278.853016000kV.A容量變壓器10001443.3857.74變壓器負荷率0.75 0.850.84變壓器應4、選容量為:10001000kV.A無功補償容量為:448448 kvarkvar用電設備組名稱Kxcostg單獨傳動的金屬加工機床：小批生產的金屬冷加工機床0.120.160.51.73大批生產的金屬冷加工機床0.170.20.51.73小批生產的金屬熱加工機床0.20.250.550.61.511.33大批生產的金屬熱加工機床0.250.30.651.17鍛錘、壓床、剪床及其它鍛工機械0.250.61.33木工機械(木加工車間內)0.20.30.50.61.731.33液壓機0.30.61.33生產用通風機0.750.850.80.850.750.62衛生用通風機0.650.70.80.755、泵、活塞型壓縮機、電動發電機組0.750.850.80.75球磨機、破碎機、篩選機、攪拌機等0.750.860.80.850.750.62電阻爐（帶調壓器或變壓器）：非自動裝料0.60.70.950.980.330.2自動裝料0.40.60.950.980.330.2干燥箱、加熱器等0.70.910工頻感應電爐（不帶無功補償裝置）0.80.352.67高頻感應電爐（不帶無功補償裝置）0.80.61.33焊接和加熱用高頻加熱設備0.50.650.71.02熔煉用高頻加熱設備0.80.850.80.850.750.62表面淬火電爐(帶無功補償裝置)：電動發電機0.650.71.02真空管振蕩器0.6、80.850.62中頻電爐(中頻機組)0.650.750.80.75氫氣爐(帶調壓器或變壓器)0.40.50.850.90.620.48真空爐(帶調壓器或變壓器)0.550.650.850.90.620.48電弧煉鋼爐變壓器0.90.850.62電弧煉鋼爐的輔助設備0.150.51.73點焊機(非電子行業)、縫焊機0.350.61.33電子行業點焊機0.20.61.33對焊機0.350.71.02自動弧焊變壓器0.50.51.73單頭手動弧焊變壓器0.350.352.68多頭手動弧焊變壓器0.40.352.68單頭直流弧焊機0.350.61.33多頭直流弧焊機0.70.71.02金屬、機修、裝7、配車間、鍋爐房起重機(=25%)0.1 0.150.51.73鑄造車間用起重機(=25%)0.150.30.51.73聯鎖的連續運輸機械0.650.750.88非聯鎖的連續運輸機械0.50.60.750.88一般工業用硅整流裝置0.50.71.02電鍍用硅整流裝置0.70.80.75電解用硅整流裝置0.70.80.75紅外線干燥設備0.850.910電火花加工裝置0.50.61.33超聲波裝置0.70.71.02X光設備0.30.551.52電子計算機主機(中頻機組)0.60.70.80.75電子計算機外部設備0.40.50.51.73試驗設備(儀表為主)0.150.20.71.02試驗設備(8、電熱為主)0.20.40.80.75磁粉探傷機0.20.42.29鐵屑加工機械0.40.750.88木工機械一般木材加工0.20.651.17篩砂機0.60.71.02稱量車0.150.51.73閥門0.180.51.73靜電除塵器0.80.80.75硒整流器0.70.71.02穩壓器0.60.71.02插頭設備0.150.250.71.02排氣臺0.50.70.90.48老煉臺0.60.70.71.02陶瓷隧道窯0.80.90.950.33拉單晶爐0.70.750.90.48賦能腐蝕設備0.60.930.4真空浸漬設備0.70.950.33科研機構的實驗室及實習工廠總的電力負荷0.10.209、.70.81.020.75大專院校的實驗室及實習工廠總的電力負荷0.10.20.70.81.020.75一般醫療插座0.20.80.75給水泵和排水泵0.80.850.62循環水泵、油泵0.80.80.75剪板機0.20.40.51.73振動機0.60.70.650.751.171.02卷揚機0.550.60.80.75冷凍機0.650.750.80.75窗式空調器0.70.80.80.75洗衣房電力0.650.750.51.73廚房電力0.50.70.80.75實驗室電力0.20.40.70.81.020.75醫院電力0.40.50.80.75洗衣機0.40.51.73絞肉機、磨碎機0.7010、.80.75照明用電設備Kx表建筑類別Kx建筑類別Kx 生產廠房(有天然采光)0.80.9 宿舍區0.60.8 生產廠房(無天然采光)0.91 醫院0.5 辦公樓0.70.8 食堂0.90.95 設計室0.90.95 商店0.9 科研樓0.80.9 學校0.60.7 倉庫0.50.7 展覽館0.70.8 鍋爐房0.9 旅館0.60.7照明用電設備cos、tg表光源類別costg光源類別costg 白熾燈、鹵鎢燈10 高壓鈉燈0.451.98 熒光燈（無補償）0.551.52 金屬鹵化物燈 0.40.612.291.29 熒光燈（有補償）0.90.48 鏑燈0.521.6 高壓水銀燈0.450.11、65 1.981.16 氙燈0.90.48S9-M-10/0.4kV變壓器損耗計算Seb變壓器容量Pk空載有功損耗Pd短路有功損耗Sjs低壓側計算負荷Qk空載有功損耗Qd短路有功損耗Ik空載電流比Ud%阻抗電壓比Pb有功損耗Qb無功損耗300.130.60.00.841.22.840.10.8500.170.870.01.2522.540.21.3630.21.040.01.5122.522.442.41.5800.251.250.01.763.22.240.31.81000.291.50.02.142.140.32.11250.341.80.02.55240.32.51600.42.20.012、3.046.41.940.43.02000.482.60.03.681.840.53.62500.563.050.04.25101.740.64.33150.673.650.05.0412.61.640.75.04000.84.30.06161.540.86.05000.965.10.07201.441.07.06301.26.20.08.1928.351.34.51.28.28001.47.50.09.6361.24.51.49.610001.710.30.011451.14.51.711.012501.9512.80.012.556.2514.52.012.516002.414.50.0113、4.4720.94.52.414.4已知設計數據中間計算結果計算結果SZ-M-10/0.4kV變壓器損耗計算Seb變壓器容量Pk空載有功損耗Pd短路有功損耗Sjs低壓側計算負荷Qk空載有功損耗Qd短路有功損耗Ik空載電流比Ud%阻抗電壓比Pb有功損耗Qb無功損耗2000.332.60.01.880.940.31.82500.43.050.02.25100.940.42.33150.483.650.02.5212.60.840.52.54000.574.30.02.8160.740.62.85000.685.10.03.5200.740.73.56300.816.20.04.09528.350.14、654.50.84.18000.987.50.04.8360.64.51.04.810001.1510.30.05.5450.554.51.25.512501.35120.06.2556.250.54.51.46.316001.6814.50.08720.54.51.78.020001.9517.150.010900.54.52.010.025002.2820.30.012.5112.50.54.52.312.5已知設計數據中間計算結果計算結果SG10-10/0.4kV變壓器損耗計算Seb變壓器容量Pk空載有功損耗Pd短路有功損耗Sjs低壓側計算負荷Qk空載有功損耗Qd短路有功損耗Ik空載電流15、比Ud%阻抗電壓比Pb有功損耗Qb無功損耗1000.41.880.00.840.840.40.81600.542.550.01.286.40.840.51.32000.623.10.01.680.840.61.62500.723.60.01.75100.740.71.83150.884.60.02.20512.60.740.92.24000.975.40.02.4160.641.02.45001.166.60.03200.641.23.06301.297.90.03.7837.80.661.33.88001.529.50.04480.561.54.010001.7611.40.05600.5616、1.85.012502.0812.50.06.25750.562.16.316002.4413.90.08960.562.48.020003.3217.50.081200.463.38.02500420.30.0101500.464.010.0已知設計數據中間計算結果計算結果變壓器低壓側母線出三相短路電流估算變壓器額定容量Se（kVA）變壓器低壓的額定電壓Ue（kV）變壓器的阻抗電壓百分數 Uk（）變壓器低壓的額定電流Ie（A）變壓器低壓側母線出三相短路電流估算值Id（kA）6300.44.5909.326720.2摘自現代建筑 電氣技術設計文集Id=Ie/Uk%Ie=Se/（1.732xUe17、）Id=100 xSe/(1.732xUexUk)其中：Se-變壓器額定容量 kVAIe-變壓器低壓的額定電流 AUe-變壓器低壓的額定電壓 VUk-變壓器的阻抗電壓百分數Id-變壓器低壓側母線出三相短路電流 AUk含義可以理解為：1.當變壓器的低壓側為額定電流時發生短路，高壓側電壓為額定電壓的百分數2.10/0.4lkV變壓器低壓側三相短路電流為其 額定電流的1/Uk%倍，即：Id=Ie/Uk%3.110/10kV變壓器10kV側短路容量為其 額定容量的1/Uk%倍，即：Sd=Se/Uk%假定條件：1.10kV側線纜阻抗忽略不計，短路容量無窮大，這樣短路電流大小僅取決于前級變壓器容量的大小。18、2.0.4kV側的變壓器保護主斷路器和低壓母線上的阻抗也 不加考慮，使低壓母線三相短路電流也僅取決于10/0.4kV 變壓器容量的大小。3.不考慮低壓側電動機和補償電容器等的反饋電流對短路 電流的正面影響。電動機啟動時母線電壓計算 Uqm1.經驗公式估算法Uqm100（KiqSed+Sjh）/Sdm Sdm=100Seb/uk啟動電動機的全電壓啟動時的起動電流倍數Kiq啟動電動機的額定容量Sed（kVA）變壓器低壓側其他負荷容量Sjh（kVA）變壓器額定容量Seb（kVA）變壓器阻抗電壓uk（）變壓器低壓母線上的三相短路容量Sdm（kVA）電動機啟動電壓計算 Uqm3132150315478719、56.9設計數據常規參數計算結果電動機啟動時端電壓計算 Uqd1.經驗公式估算法Uqm100（KiqSed+Sjh）/SdmKiqPedLUxSdm=100Seb/uk啟動電動機的全電壓啟動時的起動電流倍數Kiq啟動電動機的額定容量Sed（kVA）變壓器低壓側其他負荷容量Sjh（kVA）變壓器額定容量Seb（kVA）變壓器阻抗電壓uk（）變壓器低壓母線上的三相短路容量Sdm（kVA）電動機啟動電壓計算 Uqm31321503154787518.9電動機額定功率Ped（kW）電動機供電線路長度 L（km）每千瓦公里單位電壓損失Ux（）1000.20.2設計數據常規參數計算結果無功功率補償率qc表20、補償前cos1補償后cos20.700.750.800.820.840.860.880.900.920.940.302.160 2.298 2.430 2.482 2.534 2.586 2.640 2.695 2.7542.8170.351.656 1.795 1.926 1.978 2.030 2.083 2.137 2.192 2.2502.3130.401.271 1.409 1.541 1.593 1.645 1.698 1.752 1.807 1.8651.9280.450.964 1.103 1.235 1.287 1.339 1.391 1.445 1.500 1.5591.621、220.500.712 0.850 0.982 1.034 1.086 1.139 1.192 1.248 1.3061.3690.520.622 0.761 0.893 0.945 0.997 1.049 1.103 1.158 1.2171.2800.540.538 0.677 0.809 0.861 0.913 0.965 1.019 1.074 1.1331.1960.560.459 0.598 0.729 0.781 0.834 0.886 0.940 0.995 1.0531.1160.580.384 0.523 0.655 0.707 0.759 0.811 0.865 0.9222、0 0.9791.0420.600.313 0.451 0.583 0.635 0.687 0.740 0.794 0.849 0.9070.9700.620.245 0.384 0.515 0.567 0.620 0.672 0.726 0.781 0.8390.9030.640.180 0.319 0.451 0.503 0.555 0.607 0.661 0.716 0.7750.8380.660.118 0.256 0.388 0.440 0.492 0.545 0.599 0.654 0.7120.7750.680.058 0.196 0.328 0.380 0.432 0.485 23、0.539 0.594 0.6520.7150.700.138 0.270 0.322 0.374 0.427 0.480 0.536 0.5940.6570.720.082 0.214 0.266 0.318 0.370 0.424 0.480 0.5380.6010.740.027 0.159 0.211 0.263 0.316 0.369 0.425 0.4830.5460.760.105 0.157 0.209 0.262 0.315 0.371 0.4290.4920.780.052 0.104 0.156 0.209 0.263 0.318 0.3760.4390.800.052 24、0.104 0.157 0.210 0.266 0.3240.3870.820.052 0.105 0.158 0.214 0.272 18.8170.840.053 0.106 0.162 0.2200.2830.860.054 0.109 0.1670.2300.880.055 0.1140.1770.900.0580.1210.920.0630.940.960.981.002.888 2.977 3.1802.385 2.473 2.6762.000 2.088 2.2911.693 1.781 1.9851.440 1.529 1.7321.351 1.440 1.6431.267 125、.356 1.5591.188 1.276 1.4791.113 1.201 1.4051.042 1.130 1.3330.974 1.062 1.2650.909 0.998 1.2010.847 0.935 1.1380.787 0.875 1.0780.729 0.817 1.0200.672 0.761 0.9640.617 0.706 0.9090.563 0.652 0.8550.511 0.599 0.8020.458 0.547 0.7500.406 0.495 0.6980.354 0.443 0.6460.302 0.390 0.5930.248 0.337 0.540026、.193 0.281 0.4840.134 0.223 0.4260.071 0.160 0.363利利用用系系數數法法平平均均照照度度計計算算表表序序號號房房間間名名稱稱照照度度標標準準燈燈具具光光源源類類型型光光通通量量（kW）房房間間尺尺寸寸維維護護系系數數長長度度（米米）寬寬度度（米米）1 1單單管管日日光光燈燈1x36x36W220022006 63 30.70.72 2節節能能日日光光燈燈1x13x13W590590363615150.70.73 3節節能能日日光光燈燈1x8x8W280280363615150.70.73 3單單管管日日光光燈燈1x30 x30W46004600327、63615150.70.74 4雙雙管管日日光光燈燈2x202x20W17601760363615150.70.75 5金金屬屬鹵鹵素素燈燈1xZJD10 xZJD100W60006000454515150.70.76 6金金屬屬鹵鹵素素燈燈1xZJD15xZJD150W1150011500101020200.70.77 7金金屬屬鹵鹵素素燈燈1xZJD175xZJD175W140001400015156 60.660.668 8金金屬屬鹵鹵素素燈燈1xZJD25xZJD250W2050020500636344440.70.79 9金金屬屬鹵鹵素素燈燈1xZJD40 xZJD400W3600028、36000101020200.70.71010金金屬屬鹵鹵素素燈燈1xZJD100 xZJD1000W110000110000101020200.70.71111白白熾熾燈燈1x60 x60W540540101020200.70.71212白白熾熾燈燈1x40 x40W297297101020200.70.71313白白熾熾燈燈1x100 x100W11001100101020200.70.71414高高壓壓汞汞燈燈1xGGY8xGGY80W34003400101020200.70.71515高高壓壓汞汞燈燈1xGGY125xGGY125W60006000101020200.70.71616高29、高壓壓汞汞燈燈1xGGY175xGGY175W85008500101020200.70.71717高高壓壓汞汞燈燈1xGGY25xGGY250W1300013000101020200.70.71818高高壓壓汞汞燈燈1xGGY40 xGGY400W2300023000101020200.70.71919高高壓壓汞汞燈燈1xGGY100 xGGY1000W5850058500101020200.70.72020高高壓壓鈉鈉燈燈1xNG7xNG70W51605160101020200.70.72121高高壓壓鈉鈉燈燈1xNG10 xNG100W81808180101020200.70.72222高30、高壓壓鈉鈉燈燈1xNG15xNG150W1335013350101020200.70.72323高高壓壓鈉鈉燈燈1xNG25xNG250W2314023140101020200.70.72424高高壓壓鈉鈉燈燈1xNG40 xNG400W4180041800101020200.70.72525高高壓壓鈉鈉燈燈1xNG100 xNG1000W106800106800101020200.70.72626高高壓壓鈉鈉燈燈1xNGG25xNGG250W1869018690101020200.70.72727高高壓壓鈉鈉燈燈1xNGG40 xNGG400W3115031150101020200.70.731、2828混混光光燈燈3600036000101020200.70.7燈燈數數n利利用用系系數數水水平平照照度度2 20.70119.78119.7854540.6024.7824.7854540.6011.7611.7654540.60193.2193.254540.6073.9273.9248480.60179.2179.210100.60241.5241.53 30.55169.4169.442420.70152.20152.2010100.6075675610100.602310231010100.6011.3411.3410100.606.2376.23710100.6023.123.110100.6071.471.410100.6012612610100.60178.5178.510100.6027327310100.6048348310100.601228.51228.510100.60108.36108.3610100.60171.78171.7810100.60280.35280.3510100.60485.94485.9410100.60877.8877.810100.602242.82242.810100.60392.49392.4910100.60654.15654.1510100.60756756