基于故障分量计算的高压长线故障测距方法研究
*
李澄,邵亮
Research on High Voltage Long Line Fault Location Method Based on Fault Component Calculation
LI Cheng,SHAO Liang
表4
单位长度阻抗
Z
变化时原装置的测距结果
Z
/Ω
故障位置
x
T
/km
x
S
/km
P
Q
P
Q
33
AN
40
20
40.08
19.92
AB
40
20
40.10
19.90
BCN
40
20
40.05
19.95
ABC
40
20
39.98
20.02
50
AN
40
20
35.01
24.99
AB
40
20
37.75
22.25
BCN
40
20
34.00
26.00
ABC
40
20
35.12
24.88
100
AN
40
20
34.15
25.85
AB
40
20
35.99
24.01
BCN
40
20
35.89
24.11
ABC
40
20
34.21
25.79