1、变变压压器器型型号号、参参数数、电电压压降降、启启动动电电压压降降综综合合计计算算表表序号变压器编号变压器型号额定容量kVA一次额定电压kV二次额定电压V二次额定电流A使用地点或范围最大电机额定容量kw负荷容量之和kw需用系数功率因数cos变压器计算容量kVA联结组别空载损耗W负载损耗W空载电流%短路阻抗%启动时功率因数电机额定启动电流A电机实践启动电流A变压器正常电压损失V最大电机启动时变压器电压损失VkxUzUrUx1B1KBSGZY-630/1.263010 1200388运输线 2505000.700.70.71 1.02500.00Yy0Yy111800 3680 1.040.397
2、3.9800.70.7167046429.7269.672B2KBSGZY-1600/1.21600 10 1200693工作面 2506320.640.70.71 1.02575.43Yy03350 8000 1.040.7123.9360.70.7167046414.2845.273B3KBSGZY-4000/3.454000 10 3450 669.4 工作面 400 3180 0.480.70.71 1.022160.00Dyn116100 14000 1.040.6973.9880.70.7137325862.15142.44qcoscosxejKPS）sincos%(1002xRB
3、ejBeBuuSSUUqeIqqeK IIsinqsin310%(sin)3dxdexqqeKPUItgU310cos)3dxdeqqeKPI U%RU2 2100BeqBBeU U I tg（14505.36515.56552.99564.16579.97591.6714电电缆缆型型号号、实实际际电电流流、载载流流量量、电电压压降降、启启动动电电压压降降综综合合计计算算表表序号电缆编号电缆型号电缆截面积mm3电缆长度m最大电机功率kw负荷容量之和kw需用系数电网额定电压V功率因数cos电缆载流量A电缆最大长时工作电流公式（单位A）电缆电导率m/mm2电动机效率干线电缆电压降公式（单位V）支线
4、电缆电压降公式（单位V）启动时功率因数电机额定启动电流A电机实践启动电流A干线电缆启动时电压损失公式（单位V）支线电缆启动时电压损失公式（单位V）sLPmaxPekxUe电缆实际工作电流D干线电缆电压降 支线电缆电压降额定14MCPTJ-3120120202505000.7011400.7293253.242.50.951.200.76704623.4025MYP-370703045900.8011400.716860.342.50.950.640.71811252.1636MCPTJ-3120120302507220.6111400.7293317.542.50.952.260.767046
5、25.5647MCPTJ-31201202040015800.5533000.7293217.942.50.950.520.73702561.1358MCPTJ-31201202040016000.5533000.7293219.942.50.950.520.73702561.131.2169MYP3353515045450.8011400.714330.242.50.953.350.731121426.19710MYP3353515045450.8011400.714330.242.50.953.350.731121426.19811MCPTJ-37070202502500.8011400.
6、7168167.542.50.951.240.76704623.77912MCPTJ-37070202502500.8011400.7168167.542.50.951.240.76704623.7710 13MYP316162015150.8011400.77610.142.50.950.330.740280.9911 14MYP316162015150.8011400.77610.142.50.950.330.740280.9912 15MYP335351045450.8011400.714330.242.50.950.220.73112141.7513 16MYP335351045450
7、.8011400.714330.242.50.950.220.73112141.7514 17MCPTJ-35050302502500.8011400.7168167.542.50.952.610.76704627.9115 18MCPTJ-35050301321320.8011400.716888.442.50.951.380.75313666.2716 19MCPTJ-35050302502500.8011400.7168167.542.50.952.610.76704627.9117 20MCPTJ-35050301321320.8011400.716888.442.50.951.380
8、.75313666.2718 21MCPTJ-35050302502500.8011400.7168167.542.50.952.610.76704627.9119 22MCPTJ-370702004004000.8033000.720592.642.50.956.860.737025620.8320 23MCPTJ-370702002002000.8033000.720546.342.50.953.430.718512810.4121 24MCPTJ-350502302502500.8033000.716857.942.50.956.900.723116020.9622 25MCPTJ-37
9、0704604009300.6633000.7168153.042.50.9528.680.737025676.5823 26MCPTJ-370704602002000.8033000.720546.342.50.957.890.718512823.9524 27MCPTJ-370704604004000.8033000.720592.642.50.9515.780.737025647.9025 28MCPTJ-370702502002000.8033000.720546.342.50.954.290.718512813.0226 29MCPTJ-370702504004000.8033000
10、.720592.642.50.958.580.737025626.0327 30MCPTJ-370704502002000.8033000.720546.342.50.957.720.718512823.4328 31MCPTJ-370704504004000.8033000.720592.642.50.9515.440.737025646.8629 32MCPTJ-370702402002000.8033000.720546.342.50.954.120.718512812.5030 33MCPTJ-370702402002000.8033000.720546.342.50.954.120.
11、718512812.50gegexgDSULPKU3103103cosxeg eKPIAU hzeZefzDSULPKU310qcoshqeIqqeK II310(3cos)g XdeqgqqgeL KpUIDSV3cosz qzqqZL UIDS15微信公众号：电力图书馆电电缆缆型型号号、实实际际电电流流、载载流流量量、电电压压降降、启启动动电电压压降降综综合合计计算算表表序号电缆编号电缆型号电缆截面积mm3电缆长度m最大电机功率kw负荷容量之和kw需用系数电网额定电压V功率因数cos电缆载流量A电缆最大长时工作电流公式（单位A）电缆电导率m/mm2电动机效率干线电缆电压降公式（单位V）支线
12、电缆电压降公式（单位V）启动时功率因数电机额定启动电流A电机实践启动电流A干线电缆启动时电压损失公式（单位V）支线电缆启动时电压损失公式（单位V）sLPmaxPekxUe电缆实际工作电流D干线电缆电压降 支线电缆电压降额定gegexgDSULPKU3103103cosxeg eKPIAU hzeZefzDSULPKU310qcoshqeIqqeK II310(3cos)g XdeqgqqgeL KpUIDSV3cosz qzqqZL UIDS1515线线路路电电压压降降计计算算表表序号各线路编号各线路组成（变压器编号、电缆编号）电网额定电压V变压器二次额定电压V正常运行时线路电压损失V正常运行
13、时线路允许电压损失V是否满足下列条件启动时线路电压损失V启动电动机时实际最小启动电压V满足电动机最小启动转矩的最小电压V电动机启动时启动器最低吸持电压V启动电动机所需要的最小启动电压V 是否同时满足三个条件UeU2BeUUq1B1、4、151140 1200 31.14117是74.821125.18789.82798723.18是2B2、6、191140 1200 18.97117是58.551141.45789.82798739.45是B3、7、273300 3450 78.45315是191.473258.532286.3123102118.53是295%yBeDeUUUqmmU0.7e
14、Umin0.7qezqUUUyUUminqeK UUminqU0.7eUminqU2 BeqUU16161616短短路路点点短短路路电电流流计计算算表表序号短路点编号短路点前端变压器感抗相对值短路点前端各电缆编号前端电缆长度（m）前端电缆相对70mm2电缆相对电阻的等效长度（m）电缆等效截面积mm2基准容量MVA基准电压Kv电缆电导率m/mm2单位电缆电抗值/km短路点前端各电缆电阻相对值之和短路点前端变压器及电缆电抗相对值之和短路点前端线路阻抗值短路点最小两相短路电流LLSSjUjDX0R*X*Z*Id(2)1d16.3492420201201001.242.50.060.2726.4336
15、.43864722d26.34924、114054.285711201001.242.50.060.7396.5166.55863543d36.34924、124054.285711201001.242.50.060.7396.5166.55863544d46.34924、13401701201001.242.50.062.3156.5166.91560265d56.34924、14401701201001.242.50.062.3156.5166.91560266d62.553030701001.242.50.060.7002.6252.717153377d72.55、10、15190175
16、351001.242.50.068.1703.2928.80847308d82.55、9、16190175351001.242.50.068.1703.2928.80847309d92.5630301201001.242.50.060.4082.6252.6571568410d102.56、17601021201001.242.50.061.3892.7503.0811352411d112.56、18601021201001.242.50.061.3892.7503.0811352412d122.56、19601021201001.242.50.061.3892.7503.0811352413d132.56、20601021201001.242.50.061.3892.7503.0811352414d142.56、21601021201001.242.50.061.3892.7503.0811352415d151720201201003.4542.50.060.0331.0101.0111434016d1617、22220362.85711201003.4542.50.060.5981