Research Article

A Fault Diagnosis Method of Power Systems Based on Gray System Theory

Table 3

State vectors of fault component.

Fault nodeThe state vectors ,Simple forms

A(1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0.5, 1, 0, 0)(, , , /2, )
B(0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0.5, 0.5, 1)(, , , , /2, /2, )
L1(0, 0, 0.5, 0.5, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0.5, 0, 1)(/2, /2, , , , , /2, )
L2(0, 0, 0, 0, 0.5, 0.5, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0.5, 1)(/2, /2, , , , , /2, )