Fault location

Fault type

circuit

The data of reactive power

Identification result

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

${\lambda }_M$

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

${\lambda }_N$

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

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

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

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

A fault occurs at a distance of 100 km from bus N; fault initial angel is 90˚; transitional resistance is 200 Ω

IIAG

I circuit

1.2481e−03

8.9816e+02

1.2489e−03

8.9752e+02

Internal fault

II circuit

1.1210

1.1210

Internal fault

IBC

I circuit

1.6898e+01

8.5339e+02

1.6898e+01

8.5333e+02

Internal fault

II circuit

1.9801e−02

1.9802e−02

Internal fault

IBCIIA

I circuit

1.6898e+01

8.5339e+02

1.6898e+01

8.5333e+02

Internal fault

II circuit

1.9801e−02

1.9802e−02

Internal fault

ICIICG

I circuit

3.5440

1.0000

3.5440

1.0000

1.0000

Internal fault

II circuit

3.5440

3.5440

1.0000

Internal fault

IABIIAB

I circuit

1.1951e+02

1.0000

1.1951e+02

1.0000

1.0000

Internal fault

II circuit

1.1951e+02

1.1951e+02

1.0000

Internal fault

IABC

IIABCG

I circuit

3.3745e+01

1.0000

3.3745e+01

1.0000

1.0000

Internal fault

II circuit

3.3745e+01

3.3745e+01

1.0000

Internal fault