Research Article

Fuzzy Inference System Approach for Locating Series, Shunt, and Simultaneous Series-Shunt Faults in Double Circuit Transmission Lines

Table 3

Test results of simultaneous series and shunt fault location estimation.

Fault inception angle (°)Series fault typeEstimated series fault location (km)Error (%)Shunt fault typeEstimated shunt fault location (km)Error (%)

0A1 at 200 km from receiving end196.0001.818A1G at 20 km from sending end18.0000.909
60B1 at 180 km from receiving end182.0000.909B1G at 40 km from sending end36.0001.818
120C1 at 160 km from receiving end161.0000.454C1G at 60 km from sending end54.0002.727
180A2 at 140 km from receiving end140.0000.000A2G at 80 km from sending end76.0001.818
240B2 at 120 km from receiving end119.0000.454B2G at 100 km from sending end98.0000.909
300C2 at 100 km from receiving end98.0000.909C2G at 120 km from sending end118.0000.909
0C1 at 209 km from receiving end216.000−0.0318A1G at 11 km from sending end9.0000.0090
45B2 at 22 km from sending end21.0000.0045C2G at 198 km from receiving end199.000−0.0045
90A1 at 177 km from receiving end182.000−0.0227B1G at 43 km from sending end45.000−0.0090
135A2B2 at 63 km from sending end63.0000C2G at 157 km from receiving end165.000−0.0363
180A1 at 137 km from receiving end140.000−0.0136B1C1G at 83 km from sending end85.800−0.0127
225B2 at 103 km from sending end105.000−0.0090C2A2G at 117 km from receiving end117.0000.0000
270C1 at 97 km from receiving end98.000−0.0045A1B1 at 123 km from sending end124.800−0.0081
315A2 at 143 km from sending end147.000−0.0181B2C2 at 77 km from receiving end78.000−0.0045
0C1A1 at 57 km from receiving end56.0000.0045B1G at 163 km from sending end171.000−0.0363
90A2B2 at 183 km from sending end182.0000.0045C2G at 37 km from receiving end36.0000.00454
180A2B2C2 at 203 km from sending end203.0000A2G at 17 km from receiving end18.000−0.0045
270A1B1 at 213 km from sending end215.000−0.0090B1G at 7 km from receiving end9.000−0.0090