沈阳工程学院毕业设计
''XS100
变压器：
线路：
XG5= XG6dBS?0.1423?/0.85?0.071 N200XUK%SBT1?XT2?XT3?100?S?10.5?100?0.167N10063XUK%T4?XT5?100?SBS?18?100?0.075
N100240XUK%SB14.4100T6?XT7?100?S???0.2286N10063XSBL1?XL1U2?0.4?95?1002?0.071av230XSBL2?XL2U2?0.4?80?1002?0.06av230XSBL3?XL3U2?0.4?75?1002?0.056av230XSBL4?XL4U2?0.4?75?1002?0.056 av230XSB100L5?XL4U2?0.4?86?2?0.064av230XSB100L6?XL6U2?0.4?70?2?0.052av230-36-
220KV北关一次降压变电所继电保护电气部分初步设计
8.3网络化简
图 2.2 系统网络化简
X1?XG1??XB1??0.248?0.167?0.415 X1?XG1??XB1??0.248?0.167?0.415X2?0.071
X?XX3?XL3?//XL4??0.056//0.056?0.028 X4?XB4??XG4??0.07115?0.075?0.146
X5?0.06 X6?0.052 X7?0.064
X8?XB6?//XB7??0.2286//0.2286?0.1143
-37-
沈阳工程学院毕业设计
图2.3 系统网络化简
0.415X9?X1//X1//X1??0.138
3
X10?0.071 X11?0.06 X12?0.028
X0.146X13?X4//X?4??0.073
22
X14?0.052
X15?0.064
X16?0.1143
图2.4 系统网络化简
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220KV北关一次降压变电所继电保护电气部分初步设计
X17?X9?X10?0.138?0.071?0.209
X18?X11?0.06 X19?X12?0.028
X20?X13?0.073 X21?X14?0.052
X22?X15?0.064 X23?X16?0.1143
图2.5 系统网络化简
X17?0.209 X18?0.06 X20?0.073 X23?0.114 3
X24?X21?X190.052?0.028??0.01
X19?X21?X220.028?0.052?0.064.X19?X220.064?0.028??0.0124
X19?X21?X220.028?0.052?0.064.X21?X220.052?0.064??0.023
X19?X21?X220.028?0.052?0.064.X25?X26? -39-
沈阳工程学院毕业设计
图2.6 系统网络化简
X26?0.023
X23?0.1143
X27?X17?X240.209?0.01?X17?X24?0.209?0.01??0.254 X180.06X18?X240.06?0.01?0.06?0.01??0.073 X170.209X28?X18?X24?X29?X25?X20?0.0124?0.073?0.0854
图 2.7 系统网络化简
X28?0.073 X26?0.023 X23?0.1143 X30?X27//X29?
X27?X290.254?0.0854??0.064
X27?X290.254?0.0854 -40-