# Table 2 FFT Frequency Coefficients under Various Operating conditions in IEEE-39 Bus System Calculated from PMU at Bus-1

Fault Location (Branch)

Fault Type

Fault Condition (FR, FIA)

Ïƒ

Î±

Î²

Î³

Î´

Î“R, Î“Y, Î“B

ANN Classifier

ANFIS Classifier

SVM Classifier

3â€“18, 50Â km from bus-3

AG

0.599

0.042

0.140

0.018

0.009

0.55, 1, 0.99

CA

AG

AG

4â€“15, 20Â km from bus-4

BG

0.597

0.039

0.136

0.016

0.008

0.99, 0.76, 1

AB

BG

BG

22â€“23, 50Â km from bus-22

CG

0.588

0.032

0.132

0.012

0.007

1, 0.99, 0.84

BC

CG

CG

9â€“8, 70Â km from bus-9

AB

1.253

0.294

0.275

0.161

0.062

0.66, 0.67, 1

AB

AB

AB

4â€“5, 20Â km from bus-4

BC

1.250

0.291

0.271

0.157

0.058

1, 0.74, 0.74

BC

BC

BC

19â€“33, 10Â km from bus-19

CA

1.244

0.285

0.267

0.148

0.052

0.86, 1, 0.87

CA

CA

CA

2â€“3, 60Â km from bus-2

ABG

1.385

0.270

0.230

0.132

0.047

0.59, 0.60, 1

AB

AG

ABG

17â€“27, 40Â km from bus-17

BCG

1.382

0.266

0.227

0.129

0.046

1, 0.77, 0.77

BC

BG

BCG

23â€“24, 70Â km from bus-23

CAG

1.378

0.260

0.220

0.121

0.038

0.87, 1, 0.87

AC

CG

CAG

2â€“30, 20Â km from bus-2

ABC

1.498

0.219

0.055

0.027

0.019

1, 1, 1

ABC

ABC

ABC

5â€“6, 50Â km from bus-5

ABC

1.495

0.215

0.054

0.025

0.018

1, 1, 1

ABC

ABC

ABC

21â€“22, 60Â km from bus-21

ABC

1.489

0.210

0.051

0.021

0.016

1, 1, 1

ABC

ABC

ABC

No Fault

0.533

0

0

0

0

1, 1, 1

No Fault

No Fault

No Fault