1、电厂I线CT励磁曲线讲解线路编号:准东电厂1线编号:12A06106-6试验项目:电阻、励磁、变比/极性绕组号:3S1-3S2相别:A试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.2555折算直阻(ohm)12.23152、变比极性匝比2500:0.9988匝比误差-0.1204%极性同极性3、伏安测试拐点电压(kV)0.7971拐点电流(A)0.0169不饱和电感(H)287.3222剩磁系数87.8356%二次时间常数(s)11.8574漏抗系数1.0000复合误差0.0386%极限电动势(kV)0.24234、伏安特性序号电压(V)
2、电流(A)序号电压(V)电流(A)1721.360.0107901.810.2002805.000.0208920.730.4003840.590.0409936.890.6004850.270.05010943.780.8005868.890.08011950.661.0006875.060.10012988.602.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)902.080.20004.0000224.5142930.870.500010.000085.1114943.690.800016.000049.2099950.641.000020.000037.1586958
3、.001.200024.000029.1423969.271.500030.000021.1341980.791.800036.000015.8028988.602.000040.000013.1405992.512.100042.000011.9996996.412.200044.000010.96231000.322.300046.000010.01531008.132.500050.00008.34855%误差曲线线路编号:准东电厂1线编号:12A06106-6试验项目:电阻、励磁、变比/极性绕组号:4S1-4S2相别:A试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温
4、度(C)75测试直阻(ohm)10.2285折算直阻(ohm)12.19932、变比极性匝比2500:0.9999匝比误差-0.0103%极性同极性3、伏安测试拐点电压(kV)0.7621拐点电流(A)0.0087不饱和电感(H)708.9099剩磁系数91.2619%二次时间常数(s)29.2946漏抗系数1.0000复合误差0.0353%极限电动势(kV)0.24204、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1766.110.0107917.940.2002797.850.0208934.730.4003851.200.0409942.860.6004873.680.05
5、010950.340.8005887.260.08011956.601.0006894.240.10012992.992.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)918.400.20004.0000228.8423939.010.500010.000086.0016950.200.800016.000049.6717956.311.000020.000037.4905962.781.200024.000029.3857974.831.500030.000021.3631985.841.800036.000015.9845992.992.000040.000013.289
6、9996.652.100042.000012.13731000.312.200044.000011.08951003.972.300046.000010.13281011.292.500050.00008.44905%误差曲线线路编号:准东电厂1线编号:12A06106-6试验项目:电阻、励磁、变比/极性绕组号:5S1-5S2相别:A试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.0251折算直阻(ohm)11.95672、变比极性匝比2500:0.9985匝比误差-0.1530%极性同极性3、伏安测试拐点电压(kV)0.7597拐点电流(
7、A)0.0095不饱和电感(H)533.8646剩磁系数89.9319%二次时间常数(s)22.2846漏抗系数1.0000复合误差0.0348%极限电动势(kV)0.23964、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1761.550.0107893.540.2002800.390.0208906.170.4003839.420.0409918.800.6004849.520.05010929.650.8005864.610.08011935.481.0006871.270.10012971.072.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)893.86
8、0.20004.0000222.6404913.680.500010.000083.5912929.550.800016.000048.5684935.241.000020.000036.6372941.311.200024.000028.6993952.611.500030.000020.8389963.731.800036.000015.5933971.072.000040.000012.9684974.702.100042.000011.8425978.332.200044.000010.8190981.962.300046.00009.8844989.222.500050.00008.
9、23971(A)5%误差曲线线路编号:准东电厂1线编号:12A06106-6试验项目:电阻、励磁、变比/极性绕组号:6S1-6S2相别:A试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.0632折算直阻(ohm)12.00212、变比极性匝比2500:0.9987匝比误差-0.1259%极性同极性3、伏安测试拐点电压(kV)0.7575拐点电流(A)0.0117不饱和电感(H)405.4980剩磁系数79.3898%二次时间常数(s)16.8943漏抗系数1.0000复合误差0.0376%极限电动势(kV)0.24004、伏安特性序号电压(
10、V)电流(A)序号电压(V)电流(A)1729.830.0107926.340.2002808.080.0208944.870.4003861.850.0409951.670.6004871.680.05010958.470.8005891.750.08011965.301.0006897.510.100121002.782.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)926.540.20004.0000231.1934948.260.500010.000087.1835958.460.800016.000050.4230965.151.000020.000038.1633
11、972.021.200024.000029.9985983.731.500030.000021.8831995.411.800036.000016.47191002.782.000040.000013.75511006.462.100042.000012.59081010.142.200044.000011.53231013.822.300046.000010.56581021.192.500050.00008.86495%误差曲线线路编号:准东电厂1线编号:12A06106-3试验项目:电阻、励磁、变比/极性绕组号:3S1-3S2相别:B试验日期:2012. 7. 81、直阻测试测试温度(C
12、)25折算温度(C)75测试直阻(ohm)10.1222折算直阻(ohm)12.07252、变比极性匝比2500:0.9986匝比误差-0.1447%极性同极性3、伏安测试拐点电压(kV)0.7478拐点电流(A)0.0092不饱和电感(H)575.3387剩磁系数89.2404%二次时间常数(s)23.9002漏抗系数1.0000复合误差0.0368%极限电动势(kV)0.24074、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1758.720.0107912.610.2002820.240.0208926.630.4003855.730.0409940.640.6004867.
13、500.05010950.470.8005883.850.08011956.181.0006891.520.10012991.702.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)913.130.20004.0000227.5883934.950.500010.000085.7079950.310.800016.000049.8123955.961.000020.000037.6055962.151.200024.000029.4915973.231.500030.000021.4406984.321.800036.000016.0732991.702.000040.0000
14、13.3895995.402.100042.000012.2394999.092.200044.000011.19381002.792.300046.000010.23921010.182.500050.00008.55901000900 800 厂 700 600 S 500 n 400 300 -200 100 -0-C0.5 111.1(A) 15 25%误差曲线线路编号:准东电厂1线编号:12A06106-3试验项目:电阻、励磁、变比/极性绕组号:4S1-4S2相别:B试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.1446折算直阻
15、(ohm)12.09932、变比极性匝比2500:0.9983匝比误差-0.1663%极性同极性3、伏安测试拐点电压(kV)0.7633拐点电流(A)0.0094不饱和电感(H)854.0941剩磁系数91.3112%二次时间常数(s)35.4406漏抗系数1.0000复合误差0.0438%极限电动势(kV)0.24104、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1767.410.0107903.560.2002802.180.0208927.440.4003830.760.0409937.250.6004842.230.05010944.650.8005876.640.080
16、11951.781.0006882.220.10012987.352.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)904.780.20004.0000225.3631933.590.500010.000085.5367944.740.800016.000049.4176951.741.000020.000037.3555958.391.200024.000029.2987968.671.500030.000021.2525979.651.800036.000015.9086987.352.000040.000013.2468991.202.100042.000012.106
17、0995.052.200044.000011.0689998.902.300046.000010.12201006.602.500050.00008.45541(A)5%误差曲线线路编号:准东电厂1线编号:12A06106-3试验项目:电阻、励磁、变比/极性绕组号:5S1-5S2相别:B试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.1279折算直阻(ohm)12.07932、变比极性匝比2500:0.9981匝比误差-0.1890%极性同极性3、伏安测试拐点电压(kV)0.7781拐点电流(A)0.0086不饱和电感(H)996.9036
18、剩磁系数92.5746%二次时间常数(s)41.4009漏抗系数1.0000复合误差0.0430%极限电动势(kV)0.24084、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1796.040.0107916.470.2002840.700.0208931.720.4003875.910.0409946.230.6004880.640.05010952.370.8005894.840.08011958.511.0006904.310.10012994.792.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)917.290.20004.0000228.6758940.
19、120.500010.000086.2448952.090.800016.000049.9225958.291.000020.000037.7215965.291.200024.000029.6223977.051.500030.000021.5674987.411.800036.000016.1566994.792.000040.000013.4636998.642.100042.000012.31351002.492.200044.000011.26791006.342.300046.000010.31331014.042.500050.00008.63311(A)5%误差曲线线路编号:准
20、东电厂1线编号:12A06106-3试验项目:电阻、励磁、变比/极性绕组号:6S1-6S2相别:B试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.1116折算直阻(ohm)12.05992、变比极性匝比2500:0.9987匝比误差-0.1309%极性同极性3、伏安测试拐点电压(kV)0.7833拐点电流(A)0.0091不饱和电感(H)760.3118剩磁系数90.6212%二次时间常数(s)31.6008漏抗系数1.0000复合误差0.0358%极限电动势(kV)0.24064、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1
21、791.330.0107926.240.2002843.230.0208942.480.4003872.980.0409948.640.6004884.730.05010954.800.8005896.180.08011961.211.0006903.810.10012997.912.0005、误差特性电压(V)电流(A)m10负载阻抗Zen(欧)926.760.20004.0000231.1887945.490.500010.000086.8310954.750.800016.000050.1179961.131.000020.000037.8910967.791.200024.000029
22、.7525978.801.500030.000021.6492990.251.800036.000016.2602997.912.000040.000013.56631001.742.100042.000012.41181005.572.200044.000011.36221009.402.300046.000010.40391017.062.500050.00008.71731(A)5%误差曲线线路编号:准东电厂1线编号:12A06106-5试验项目:电阻、励磁、变比/极性绕组号:3S1-3S2相别:C试验日期:2012. 7. 81、直阻测试测试温度(C)25折算温度(C)75测试直阻(ohm)10.1336折算直阻(ohm)12.08612、变比极性匝比2500:0.9989匝比误差-0.1087%极性同极性3、伏安测试拐点电压(kV)0.7525拐点电流(A)0.0090不饱和电感(H)549.9816剩磁系数91.3775%二次时间常数(s)22.8340漏抗系数1.0000复合误差0.0366%极限电动势(kV)0.24094、伏安特性序号电压(V)电流(A)序号电压(V)电流(A)1758.490.010
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