故障距离/km

S₁

S₂

S₃

S₄

S₅

5

0.409

0.362

0.251

3.576

0.318

10

0.460

0.251

0.274

3.885

0.406

15

0.404

0.315

0.314

3.673

0.463

20

0.426

0.373

0.359

3.624

0.513