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Figure/Table detail
Parameter Identification Method for Distribution Systems with a High Proportion of Distributed Renewable Energy
WEI Wei, JI Wenwen, HUANG Xu, JIN Xiaolong, HUANG Pan
Electric Power Construction
, 2025, 46(
5
): 96-111. DOI:
10.12204/j.issn.1000-7229.2025.05.009
Fig. 17
Time comparison
Other figure/table from this article
Fig. 1
Voltage fluctuation comparison chart before and after connecting distributed power sources
Fig. 2
Schematic diagram of distribution system CT installation location
Fig. 3
Distribution line model
Fig. 4
Distribution Transformer Model
Fig. 5
Distribution system topology schematic
Fig. 6
Flowchart of AEKF algorithm for parameter identification
Fig. 7
Temperature variation curve on a certain day in tianjin
Table 1
Scenario Setting Situation
Table 2
Line parameter identification index results under scenario 1
Table 3
Transformer parameter identification index results under scenario 1
Fig. 8
Comparison of
e
Mean
for
R
Fig. 9
Comparison of
e
Mean
for
X
Fig. 10
Comparison of
e
Mean
for
B
Fig. 11
Comparison of
e
Max
for
R
Fig. 12
Comparison of
e
Max
for
X
Fig. 13
Comparison of
e
Max
for
B
Fig. 14
Comparison of
e
Var
for
R
Fig. 15
Comparison of
e
Var
for
X
Fig. 16
Comparison of
e
Var
for
B
Table 4
Transformer parameter metrics under scenario 2— 6
Fig. 18
Comparison of
e
Mean
for
R
under different methods
Fig. 19
Comparison of
e
Mean
for
X
under different methods
Fig. 20
Comparison of
e
Mean
for
B
under different methods
Table 5
Transformer
e
Mean
under scenarios 7—9
Fig. 21
Comparison of
e
Mean
for voltage magnitude
Fig. 22
Comparison of
e
Mean
for voltage angle
Fig. A1
Topology structure of a 10 kV system in Tianjin
Fig. A2
Calculation of active power P and reactive power Q with measurement error percentage