Fault location

Transitional resistance/Ω

circuit

The data of reactive power

Identification result

$Q_1\left(\text{kvar}\right)$

${\lambda }_M$

$Q_3\left(\text{kvar}\right)$

${\lambda }_N$

${\rho }_{{\rm I}}$

$Q_2\left(\text{kvar}\right)$

$Q_4\left(\text{kvar}\right)$

${\rho }_{{\rm I}{\rm I}}$

B phase grounded short circuit occurs on the line L₄ at a distance of 50 km from bus N; fault initial angle is 45˚

0

I circuit

3.9568e+01

1.0000

1.6714e-01

1.000

2.3673e+02

External fault

II circuit

3.9568e+01

1.6714e-01

2.3673e+02

External fault

100

I circuit

1.8789e+01

1.0000

7.9512e-02

1.000

2.3630e+02

External fault

II circuit

1.8789e+01

7.9512e-02

2.3630e+02

External fault

300

I circuit

7.1480

1.0000

3.0298e-02

1.000

2.3593e+02

External fault

II circuit

7.1480

3.0298e-02

2.3593e+02

External fault

600

I circuit

2.8850

1.0000

1.2242e-02

1.000

2.3566e+02

External fault

II circuit

2.8850

1.2242e-02

2.3566e+02

External fault

AB phase grounded short circuit occurs on the line L₄ at a distance of 100 km from bus N; fault initial angle is 90˚

0

I circuit

1.0578e+01

1.0000

5.6479e-02

1.000

1.8729e+02

External fault

II circuit

1.0578e+01

5.6479e-02

1.8729e+02

External fault

100

I circuit

1.4558e+01

1.0000

7.7907e-02

1.000

1.8686e+02

External fault

II circuit

1.4558e+01

7.7907e-02

1.8686e+02

External fault

300

I circuit

1.7208e+01

1.0000

9.2136e-02

1.000

1.8677e+02

External fault

II circuit

1.7208e+01

9.2136e-02

1.8677e+02

External fault

600

I circuit

1.8520e+01

1.0000

9.9170e-02

1.000

1.8675e+02

External fault

II circuit

1.8520e+01

9.9170e-02

1.8675e+02

External fault