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1、电力计算数据查询表目 录1、电缆换算系数表22、系统电抗换算长度2 3、电缆电导率3 4、矿用橡套电缆的单位长度电阻与电抗35、矿用铠装电缆单位长度的有效电阻和电抗4 6、裸绞线的电阻和电抗5 7、1）6KV铠装电缆每兆瓦公里负荷矩的电压损失6 2）10KV铠装电缆每兆瓦公里负荷矩的电压损失7 3）380V铜芯橡套软电缆每千瓦公里负荷矩的电压损失84）660V铜芯橡套软电缆每千瓦公里负荷矩的电压损失9 5）660V铠装铜芯及铝芯电缆每千瓦公里负荷矩电压损失 106）不同电压等级的各种线路电抗平均值118、矿井电力负荷计算需用系数Kde及加权平均功率因数表119、矩形母线的最大允许持续载流量 1
2、410、裸绞线载流量1511、各种导体的长时允许温度，短时允许温度和最大十允许温度1612、短路电流计算公式表1713、开关过流插件调整表20一、电缆换算系数（Kct）表额定电压等级（V）380、660、1140127电缆截面（mm2）45101625355070952.54610换算系数(Kct)11.978.114.753.011.911.3710.730.531.6410.580.34注：通常标准截面是指380、660、1140V系统为50mm2,127系统为4mm2。二、系统电抗换算长度（m）系统容量（MVA）25304050100额定电压（V）40014.111.78.87.03.5
3、166041.834.926.120.910.461140125.6105.479.163.331.63三、电缆电导率（m/mm2）电缆种类电导率r(R=)206580铜芯软电缆5342.5铜芯铠装电缆48.644.3铝芯铠装电缆3228.8铜的电阻率为0.017m/mm2四、矿用橡套电缆的单位长度电阻与电抗阻抗Z0(/km)截面（mm2）4610162535507095120电阻R05.53.6932.1591.3690.86380.61600.44840.31510.23010.18电抗X00.1010.0950.0920.0900.0880.0840.0810.0780.0750.074
4、五、矿用铠装电缆单位长度的有效电阻和电抗（/km）电缆主芯线截面（mm2）铜铝1KV及以下6KV1KV及以下6KVR0X0R0X0R0X0R0X045.3480.0959.0130.09563.5660.0906.0080.090102.1390.0733.6050.073161.3370.06571.340.0682.2530.06752.2570.068250.8560.06620.8570.0661.4410.06621.4450.066350.6100.06370.6120.0641.0300.06371.0300.064500.42830.06250.4290.0630.7210.0
5、6250.7220.063700.30440.06120.3060.0610.51450.06120.5160.061950.22540.06020.2260.0600.380.06020.380.060六、裸绞线的电阻和电抗导线型号电阻/km线间几何均距（m）0.60.81.01.251.502.002.503.003.504.00电抗(/km)LJ-161.8470.3560.3770.3910.4050.4160.4340.4480.459LJ-251.1880.3450.3630.3770.3910.4020.4210.4350.448LJ-350.8540.3360.3520.366
6、0.3800.3910.4100.4240.4350.4450.453LJ-500.5930.3250.3410.3550.3690.3800.3980.4130.4230.4330.441LJ-700.4240.3120.330.3440.3580.3700.3880.3990.4100.4200.428LJ-950.3170.3020.320.3440.3480.3600.3780.3900.4010.4110.419LJ-1200.2530.2950.3130.3270.3410.3520.3710.3820.3930.4030.411LJ-1500.2000.2880.3050.319
7、0.3330.3450.3630.3770.3880.3980.406LJ-1850.1620.2810.2990.3130.3270.3390.3560.3710.3820.3920.400LJ-2400.1250.2730.2910.3050.3190.3300.3480.3620.3740.3830.392LGJ-161.9260.3870.4010.4120.430.4440.4560.4660.474LGJ-251.2860.3740.3880.4000.4180.4320.4430.4530.461LGJ-350.7960.3590.3730.3850.4030.4170.4290
8、.4380.446LGJ-500.6090.3510.3650.3760.3940.4080.4200.4290.437LGJ-700.4320.3640.3820.3960.4080.4170.425LGJ-950.3150.3530.3710.3850.3970.4060.414LGJ-1200.2550.3470.3650.3790.3910.4000.408LGJ-1500.2110.3400.3580.3720.3840.3980.401LGJ-1850.1630.3650.3770.3860.394LGJ-2400.1300.3570.3690.3780.386七、1）、6KV铠装
9、电缆每兆瓦公里负荷矩的电压损失（%）截面（mm2）cos162535507095120150185铜铝铜铝铜铝铜铝铜铝铜铝铜铝铜铝铜铝0.653.946.492.64.231.913.071.392.4891.051.6320.8221.2510.6921.0310.590.8620.5610.7860.73.9126.462.5694.2031.8823.0431.3682.4721.0241.6060.7971.2260.6671.0060.5660.8380.4910.7110.753.8866.4342.5444.1771.8573.0911.3442.44811.5830.7751.
10、2030.6440.9830.5630.8150.4680.6880.83.8616.412.5194.1531.8342.9951.3212.4250.9781.5590.7521.1850.6620.9610.5210.7930.4390.6660.853.8376.3852.4954.1291.8112.9721.2982.4030.9561.5380.731.160.60.9390.50.7710.4250.6450.93.8126.362.474.1041.7872.9481.2752.3790.9331.5150.7081.1370.5770.9170.4770.7940.4020
11、.6170.953.7826.332.4424.0751.7592.9211.2482.3520.9061.4890.6821.1080.5510.8910.4510.7230.3760.5961.03.726.2692.3814.0151.7012.8631.192.2950.8511.4330.6271.0560.4960.8360.3970.6690.3220.542R0(/Km)1.342.2570.8571.4450.6121.030.4290.8260.3060.5160.2260.380.1790.3010.1430.2410.1760.195X0(/Km)0.0680.0680
12、.0660.0660.0640.0640.0630.0630.0610.0610.060.060.060.060.060.060.060.062）、10KV铠装电缆每兆瓦公里负荷矩的电压损失（%）截面（mm2）cos162535507095120150185铜铝铜铝铜铝铜铝铜铝铜铝铜铝铜铝铜铝0.651.4072.3060.9341.510.6941.1030.5140.9030.3940.60.3150.4660.2690.3890.2340.330.2080.2850.71.3952.2940.9221.4980.6821.0910.5020.8910.3820.5880.3030.454
13、0.2570.3770.2220.3180.1960.2730.751.3842.2830.9111.4870.6711.080.4910.880.3710.5770.2920.4430.2460.3660.2110.3070.1850.2620.81.3732.2720.91.4760.661.0690.480.8690.360.5660.2810.4320.2350.3550.20.2960.1740.2510.851.3632.2620.891.4660.651.0590.470.8590.350.5560.2710.4220.2250.3450.190.2860.1640.2410.9
14、1.3522.2510.8791.4550.6391.0480.4590.8480.3390.5450.260.4110.2140.3340.1790.2750.1530.230.951.3392.2380.8661.4420.6261.0350.4460.8350.3260.5320.2470.3980.2010.3210.1660.2620.1410.2171.01.3132.2120.841.4160.61.0090.420.8090.30.5060.2210.3720.1750.2950.140.2360.1140.191R0(/Km)1.3132.2120.841.4160.61.0
15、090.420.8090.30.5060.2210.3720.1750.2950.140.2360.1140.191X0(/Km)0.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.083）、380V铜芯橡套软电缆每千瓦公里负荷矩的电压损失（%）截面（mm2）功率因数461016253550700.63.9082.6431.581.0320.6790.5040.3850.290.653.8912.6331.5711.0220.670.4950.3770.2820.73.882.6231.5611.0130.
16、6610.4860.3680.2740.753.8712.6141.5521.0040.6520.4780.3590.2660.83.8622.6051.5440.9960.6440.470.3530.2590.853.8522.5961.5350.9880.6360.4630.3450.2510.93.8432.5871.5270.9790.6280.4550.3370.245注：电缆芯线温度为654）、660V铜芯橡套软电缆每千瓦公里负荷矩的电压损失（%）截面（mm2）功率因数461016253550700.61.2950.8760.5240.3420.2250.1670.1280.096
17、0.651.290.8730.5210.3390.2220.1640.1250.0930.71.2860.8690.5170.3360.2190.1610.1220.0910.751.2830.8660.5140.3330.2160.1580.1190.0880.81.280.8630.5120.330.2140.1560.1170.0860.851.2770.8610.5090.3270.2110.1530.1140.0830.91.2740.8580.5060.3250.2080.1510.1120.081R0(/Km)5.53.692.161.370.8640.6160.4480.315
18、X0(/Km)0.1010.0950.0920.090.0880.0840.0810.078注：电缆芯线温度为655）、660V铠装铜芯及铝芯电缆每千瓦公里负荷矩电压损失（%）截面（mm2）功率因数10162535507095铜铝铜铝铜铝铜铝铜铝铜铝铜铝0.60.5140.8510.3270.5380.2170.3510.160.2560.1170.1850.0890.1370.070.1060.650.5110.8490.3250.5360.2140.3490.1570.2540.1150.1830.0860.1350.0680.1040.70.5080.8460.3220.5330.212
19、0.3460.1550.2510.1130.180.0840.1330.0660.1010.750.5060.8430.320.5310.210.3440.1530.2490.1110.1780.0820.1310.0640.0990.80.5040.8410.3180.5290.2080.3420.1510.2470.1090.1760.80.1290.0620.0970.850.5020.8390.3160.5270.2060.340.1490.2450.1070.1740.0780.1270.060.0960.90.4990.8370.3140.5250.2040.3380.1470.2
20、440.1050.1720.0770.1250.0580.094R0(/Km)2.143.611.3342.2530.8561.4410.611.030.4280.7210.3040.515X0(/Km)0.0730.06750.06620.06370.06250.06120.0602注：电缆芯线温度为656）、不同电压等级的各种线路电抗平均值线路类型电抗R0(/Km)架空单回路电压在1KV以上到220KV0.4架空单回路电压在1KV以下0.335KV电缆线路0.121KV到10KV电缆线路0.070.081KV以下电缆线路0.060.07八、矿井电力负荷计算需用系数Kde及加权平均功率因数表
21、1用电设备需用系数Kde加权平均功率因数cos采煤工作面综合机械化工作面（自移支架）0.4+0.6Pmax/PN0.7一般机械化工作面（单体支架）0.286+0.714 Pmax/PN0.60.7一般机械化工作面（倾斜机采面）0.60.750.60.7缓倾斜煤层（炮采工作面）0.40.50.6急倾斜煤层（炮采工作面）0.50.60.7掘进工作面采用掘进机的0.50.60.7非掘进机的0.30.40.6电机车架线式电机车0.50.650.9蓄电池电机车0.80.9其他运输设备（输送机、绞车）0.50.7井底车场无主排水设备0.60.70.7有主排水设备0.750.850.8井下照明11（日光灯c
22、os=0.6）注：Pmax最大容量电动机（如机组、输送机等）的功率，KW；PN 参加计算的所有用电设备的额定功率（不包括备用设备）之和，KW。矿井电力负荷计算需用系数Kde及加权平均功率因数表2用电设备名称需用系数Kde加权平均功率因数cos备注压风机房主电动机0.80.850.80.85斜井胶带提升机0.750.7地面综合运输0.70.7储煤场0.60.650.7绞车房辅助设备0.70.7锅炉房0.60.70.650.7空气加热房0.750.80.8日用及消防水泵房0.70.750.75同步机时一般cos为0.9超前，高压水银灯与日光灯cos取0机修厂0.350.40.60.65支柱加工厂0
23、.40.50.65煤样室0.40.50.6化验室0.50.60.8灯房室0.70.7变电所用电0.707地面建筑物内部照明0.851工业广场区间外部照明0.91主通风机房辅助电动机0.350.50.7九、矩形母线的最大允许持续载流量母线截面（mm2）最大允许持续电流（A）一条两条铜铝铜铝平放竖放平放竖放平放竖放平放竖放15320021015616520321627520421525332334025226530445147534736540459362545648040566570051854050581686063266550690695570374060610691125826870165
24、017401282135060912511320975102520502160159616806010139514751100115524302560191020108061360148010501150194021101500163080915531690121513202410262018762046801017471900136014802850310022372410100616651810130114252270247017801935100819112080149516252810306022002390100102121231016751820332036102630286012
25、08221024001750190031503400244026501201024352650190520703770410029453200十、裸绞线载流量铜绞线铝绞线钢芯铝绞线导线型号长时允许电流导线型号长时允许电流导线型号室外长时允许电流室外室内室外室内TJ-45025LJ-1610580LGJ-16105TJ-67035LJ-25135110LGJ-25135TJ-109560LJ-35170135LGJ-35170TJ-16130100LJ-50215170LGJ-50220TJ-25180140LJ-70265215LGJ-70275TJ-35220175LJ-95325260LG
26、J-95335TJ-50270220LJ-120375310LGJ-120380TJ-70340280LJ-150440370LGJ-150445TJ-95415340LJ-180500425LGJ-185515TJ-120485405LJ-240610LGJ-240610TJ-150570480LGJ-300700TJ-185645550LGJ-400800TJ-240770650注：导线最高允许温度70，环境温度25。十一、各种导体的长时允许温度，短时允许温度和最大十允许温度导体种类和材料长时允许温度p()短时允许温度ps()短时最大允许温升ps()热温度系数母线排铜70320250175
27、铝7022015097钢（不与电器直接连接时）7042035070钢（与电器直接连接时）7032025060油浸绝缘电缆铜芯10KV及以下80280200165铝芯10KV及以下80230150902530KV8020512595橡皮电缆6520013514565200135100十二、短路电流计算公式表计算公式符合含义1、三相短路电流ISC(3)= ISC(3)三相短路电流，AISC(2)两相短路电流，AU2N变压器二次侧的额定电压，对于127、380、660 和1140V电网，分别为133、400、690和1200V2、两相短路电流ISC(2)= 3、三相短路电流和两相短路电流的换算关系I
28、SC(3)=1.15 ISC(2) ；ISC(2)=0.87 ISC(3)4、系统电抗 XS= 若井下中央变电所10KV母线上的短路容量不详，可用该变电所高压配电箱的额定断流容量进行近似计算。SSC(3)井下中央变电所高压母线上的短路容量，MVA5、总电阻和总电抗R=R1+RT+R2 ; X=XS+X1+XT+X2R1、X1和 Z1折合至变压器二次侧以后高压电流每相的电阻、电抗和阻抗6、高压电缆的阻抗R1= X1=Z1=L1R01、X01和Z01高压铠装电缆每相每公里的电阻、电抗和阻抗。L1高压电缆的实际长度，kmKT变压比，变压器一、二次平均电压之比（如6300/400）7、变压器的阻抗 R
29、T= XT= =UR= 100UX= 或 XT=ZT=RT、XT和ZT变压器每相的电阻、电抗和阻抗值SN和I2N变压器的额定容量（VA）和二次侧的额定电流，（A）。UR、UX、UZ分别是变压器的电阻、电抗和阻抗压降百分数，%P变压器的短路损耗，W注：U2N的单位如果是KV,则SN的单位是MVAU2N的单位如果是V,则SN的单位是VA。8、低压电缆的电阻和电抗R2=R02L2X2=R02L2如果低压电网由几段电缆连接而成，应分别及时各段的电阻和电抗，然后相加。R02和X02_分别为低压电缆每相每公里的电阻和电抗。L2低压电缆的长度，km十三、KBZ630馈电开关过流插件调整表过载（长延时），短路
30、（瞬时）拨码开关数值12345678910长 延 时0.40.40.40.40.50.60.70.80.91瞬 时33345678910KBZ400馈电开关过流插件调整表指针位置0578.499.39.59.79.89.910过 载A4070100140180220250290330360400指针位置056.77.68.28.79.19.39.59.710远端短路A2004006008001000120014001600180020002200指针位置04.56.57.58.38.99.29.49.69.810近端短路A400700100013001600200024002800320036
31、004000JDB80C电动机保护器整定调整表分 档电流（A）粗 调倍 率细调刻度电流（A）01234567895.5-1015.566.577.588.599.51010-2021112131415161718192022-4032224262830323436384044-80444485256606468727680JDB120B型电动机保护器整定调整表型号分档电流（A）电流刻度（A）1234567891011JDB-12030-60303336394245485154576060-12060667278849096102108114120JDB-22555-110556065707580859095100110110-220110120130140150160170180190200220
