Intelligent Distribution Network Line Integrated Monitoring System
Based on Beidou Navigation System
Yi Shuzhi, Shi Yinkai, Hong Huansen and Chen Zhimin
Shaoguan Power Supply Bureau of Guangdong Power Grid Co., Ltd., Shaoguan City, Guangdong Province, 512028, China
Keywords: Digital Fault Indicator, Intelligent Distribution Network Line Integrated Monitoring System, Power System.
Abstract: Distribution network is very important in power system, because it is connected to the user end, so the fault
finding and maintenance of distribution network lines directly affects the power consumption experience.
Common fault detection methods are particularly difficult to find fault routes, especially single-phase ground
faults. Therefore, this paper proposes an intelligent distribution network line integrated monitoring system to
analyze the operation and maintenance of distribution network lines. Firstly, the digital fault indicator is used
to detect the fault of the distribution network, and the indicators are divided according to the operation and
maintenance requirements of the distribution network to reduce it Interference factors in distribution network
line operation and maintenance. Then, the digital fault indicator results the fault repair results of the power
system distribution network line operation and maintenance, and the distribution network line operation and
maintenance scheme is formed, and the distribution network line operation and maintenance is maintained
The results were comprehensively analyzed. MATLAB simulation shows that under certain evaluation
criteria, the intelligent distribution network line integrated monitoring system has an accurate effect on the
operation and maintenance of distribution network lines of the power system. The detection time of
distribution network line operation and maintenance is better than that of ordinary fault detection methods.
1 INTRODUCTION
The distribution network structure is complex
(Supraja and Salameh, et al. 2022), and finding faulty
lines is complicated, so distribution network line
monitoring is very important (Shakir and Al-
Qureshy, et al. 2022). However, in the process of
distribution network line maintenance (Rismawaty
and Askar, 2022), there is a problem of poor accuracy
in the distribution network line maintenance scheme
(Mubeen and Kulkarni, et al. 2022), which affects the
fault detection. Some scholars believe that the
application of the intelligent distribution network line
comprehensive monitoring system to the power
system analysis can effectively analyze the
distribution network line operation and maintenance
scheme and provide corresponding support for the
distribution network line operation and maintenance.
On this basis, this paper proposes an intelligent
distribution network line integrated monitoring
system, optimizes the distribution network line
operation and maintenance scheme (Vekariya and
Kannan, et al. 2022), and verifies the effectiveness of
the model.
2 RELATED CONCEPTS
2.1 Mathematical Description of the
Integrated Monitoring System of
intelligent Distribution Network
Lines
The intelligent distribution network line
comprehensive monitoring system uses the Beidou
navigation system to optimize the operation and
maintenance scheme of the distribution network line,
and finds the unqualified values in the power system
according is
i
y
, the indicators in the operation is
i
z
, and maintenance of the distribution network line
is
(
iij
tol y a⋅ ）
. The distribution network line
maintenance scheme is integrated, and the feasibility
of the power system is finally judged, and the
calculation is shown in Equation (1).
Shuzhi, Y., Yinkai, S., Huansen, H. and Zhimin, C.
Intelligent Distribution Network Line Integrated Monitoring System Based on Beidou Navigation System.
DOI: 10.5220/0013544900004664
Paper published under CC license (CC BY-NC-ND 4.0)
In Proceedings of the 3rd International Conference on Futuristic Technology (INCOFT 2025) - Volume 1, pages 425-429
ISBN: 978-989-758-763-4
Proceedings Copyright © 2025 by SCITEPRESS – Science and Technology Publications, Lda.
425

1
() max( )
n
iij ij iiaij
i
tol y a y AY a σ
=
⋅=≥

(1
)
Among them, the judgment of outliers is shown in
Equation (2).
2
max( ) ( 6) (
ij ij a ij
ady
aa mean a
da
μ
σ
σ
−
=+


(2)
The intelligent distribution network line
integrated monitoring system combines the
advantages of Beidou navigation system and uses the
power system for quantification, which can improve
the accuracy of distribution network line operation
and maintenance.
Hypothesis I. The requirements for the operation
and maintenance of distribution network lines is
i
a
,
the operation and maintenance scheme of distribution
network lines is
i
s
et
, and the satisfaction of the
distribution network line maintenance scheme is
i
y
,that the distribution network line operation is
(0)
i
Ha≈
,The dimension scheme judgment
function is shown in Equation (3).
0
lim
()
a
ii i
a
Hv a y
δ
μ
ξ
σ
→
−
=→⎯⎯⎯→




(3)
2.2 Selection of Distribution Network
Line Monitoring Scheme
Hypothesis II. The power system function is
()
i
ua
, and the weight coefficient is
i
w
, then, the
distribution network line maintenance requirements
for unqualified power systems are shown in Equation
(4).
2
1
()= ()
n
ii i ii
i
y
ua z Hv aw
a
=
Δ
⋅−
Δ

∏
(4)
Based on assumptions I and II, the comprehensive
function of the power system can be obtained, and the
result is shown in Equation (5).
() () max( )
ii ij
ua Hv a+≤
(5
)
In order to improve the effectiveness of fault
detection, all data needs to be standardized and the
result is shown in Equation (6).

() () (
ii ai
j
ady
ua H v mean a
da
μ
σ
σ
−
+↔

(6
)
2.3 Analysis of Distribution Network
Line Maintenance Scheme
Before carrying out the intelligent distribution
network line comprehensive monitoring system, it is
necessary to conduct a multi-dimensional analysis of
the distribution network line maintenance scheme,
and map the distribution network line maintenance
requirements to the power system library to eliminate
the unqualified Distribution network line
maintenance scheme is
()
i
No a
,According to
Equation (6), the anomaly evaluation scheme can be
proposed, and the results are shown in Equation (7).

() ()
()
()
ii
i
aij
ga Hv
No a
ady
mean a
da
μ
σ
σ
+
=
−

(7)
Among them,

() ()
1
()
ii
aij
ua Hv
ady
mean a
da
μ
σ
σ
+
≤
−

it is
stated that the scheme needs to be proposed,
otherwise the scheme integration required is
()
i
Z
ha
, and the result is shown in Equation (8).

( ) min[ ( ) ( )]
iii
Z
ha ua Hv=+

(8
)
The power system is comprehensively analyzed,
and the threshold and index weights of the
distribution network line maintenance scheme are set
to ensure the accuracy of the intelligent distribution
network line comprehensive monitoring system. The
power system needs to be accurately analyzed for the
system testing of the operation and maintenance
scheme of distribution network lines. If the power
system is in a non-normal distribution is
()
i
unno a
,
the operation and maintenance scheme of the
distribution network will be affected, reducing the
accuracy of the overall distribution network line
INCOFT 2025 - International Conference on Futuristic Technology
426

operation and maintenance is
()
i
accur a
. The
calculation result is shown in Equation (9).


min[ ( ) ( )]
( ) 100
%
() ()
ii
i
ii
ua Hv
accur a
ua Hv
+
=×
+


(9)
The survey of distribution network line operation
and maintenance scheme shows that the distribution
network line monitoring scheme presents a multi-
dimensional distribution, which is in line with
objective facts. The power system is not directional,
indicating that the distribution network line
monitoring scheme has strong randomness, so it is
regarded as a high analysis study. If the random
function of the power system is
()
i
randon a
, then
the calculation of Equation (9) can be expressed as
Equation (10).


min[ ( ) ( )]
( ) 100% (
)
() ()
ii
ii
ii
ua HV
accur a randon a
ua Hv
+
=×+
+


(10
)
Among them, the power system meets the normal
requirements, mainly because the Beidou navigation
system adjusts the power system, removes duplicate
and irrelevant schemes, and supplements the default
scheme, so that the dynamic correlation of the entire
distribution network line maintenance scheme is
strong.
3 OPTIMIZATION STRATEGIES
FOR POWER SYSTEMS
The intelligent distribution network line integrated
monitoring system adopts the random optimization
strategy for the power system, and adjusts the
distribution network parameters to realize the
optimization of the power system. The intelligent
distribution network line integrated monitoring
system divides the power system into different
distribution network line operation and maintenance
levels, and randomly selects different schemes. In the
iterative process, the operation and maintenance
schemes of distribution network lines with different
operation and maintenance levels of distribution
network lines are optimized and analyzed. After the
optimization analysis is completed, compare the
operation and maintenance levels of distribution
network lines of different solutions and record the
optimal power system.
4 PRACTICAL EXAMPLES OF
POWER SYSTEMS
4.1 Introduction to the Operation and
Maintenance of Distribution
Network Lines
In order to facilitate the operation and maintenance of
distribution network lines, this paper takes the power
system under complex conditions as the research
object, with 12 paths and a test time of 12h, and the
operation and maintenance of the distribution
network of the specific power system The scheme is
shown in Table 1.
Table 1: Distribution network line operation and
maintenance requirements
Scope of
application
Grade Accuracy Distribution
network
line
monitorin
g
Transmit
electricit
y
normal 84.88 84.33
Highe
r
87.31 82.09
Power
distribution
normal 85.03 82.99
Highe
r
87.80 83.63
Power
substation
normal 84.77 83.19
Highe
r
87.12 84.59
The distribution network line operation and
maintenance process in Table 1. is shown in Figure 1.
Power system
Distribution
network
Line fault
Electricity
experience
Integrated
monitoring of
intelligent
distribution
network lines
Operation and
maintenance
analysis
Overhaul
result
Figure 1: The analysis process of the power system
Compared with the common fault detection
method, the distribution network line operation and
maintenance scheme of the intelligent distribution
network line integrated monitoring system is closer to
the actual distribution network line operation and
maintenance requirements. In terms of the rationality
and accuracy of the power system, the intelligent
distribution network line integrated monitoring
system is superior to the ordinary fault detection
Intelligent Distribution Network Line Integrated Monitoring System Based on Beidou Navigation System
427

method. Through the change of distribution network
line maintenance scheme in Figure II, it can be seen
that the intelligent distribution network line
integrated monitoring system has higher accuracy and
faster judgment speed. Therefore, the distribution
network line maintenance scheme speed, distribution
network line monitoring scheme distribution network
line operation and maintenance scheme, and
summation stability of the intelligent distribution
network line integrated monitoring system are better.
4.2 Power System Situation
The distribution network line maintenance scheme of
the power system contains non-structural
information, semi-structural information and
structural information. After the pre-selection of the
intelligent distribution network line integrated
monitoring system, the preliminary distribution
network line operation and maintenance plan of the
power system is obtained, and the power system's The
feasibility of the distribution network line
maintenance scheme was analyzed. In order to more
accurately verify the monitoring effect of power
system distribution network lines, select the power
system with different distribution network line
operation and maintenance levels, and the distribution
network line operation and maintenance scheme is
shown in Table 2.
Table 2: The overall picture of the distribution network line
monitoring program
Cate
g
or
y
Accurac
y
Anal
y
sis Rate
transmit
electricit
y
88.84 88.01
power
distribution
88.09 86.87
Power substation 88.71 90.72
mean 88.45 87.76
X
6
88.47 85.76
P=2.161
4.3 Distribution Network Line
Monitoring and Stability for
Distribution Network Line
Operation and Maintenance
In order to verify the accuracy of the integrated
monitoring system of intelligent distribution network
lines, the distribution network line maintenance
scheme is compared with the common fault detection
method, and the distribution network line
maintenance scheme is shown in Figure 2.
Figure 2: Distribution network line monitoring with
different algorithms
It can be seen from Figure 2 that the distribution
network line monitoring of the intelligent distribution
network line integrated monitoring system is higher
than that of the ordinary fault detection method, but
the error rate is lower, indicating that the distribution
network line maintenance of the intelligent
distribution network line integrated monitoring
system is relatively stable , and the operation and
maintenance of distribution network lines of common
fault detection methods are uneven. The average
distribution network line maintenance scheme of the
above three algorithms is shown in Table 3.
Table 3: Different methods Distribution network line
operation and maintenanceAccuracy comparison
Algorithm Distribution
network
line
monitorin
g
Magnitude
of change
Error
Intelligent
distribution
network line
integrated
monitoring
s
y
stem
91.92 94.92 93.42
Common
method of
detecting
failures
88.34 90.55 92.49
P 86.13 88.50 90.97
It can be seen from Table 3 that the ordinary fault
detection method has shortcomings in the accuracy of
distribution network line monitoring in the power
system, and the power system has undergone large
changes, and the error rate is high. The general results
of the intelligent distribution network line integrated
monitoring system are higher in distribution network
line monitoring, which is better than the ordinary fault
INCOFT 2025 - International Conference on Futuristic Technology
428

detection method. At the same time, the distribution
network line monitoring of the intelligent distribution
network line integrated monitoring system is greater
than 91%, and the accuracy has not changed
significantly. In order to further verify the superiority
of the intelligent distribution network line integrated
monitoring system. In order to further verify the
effectiveness of the proposed method, the general
analysis of the integrated monitoring system of
intelligent distribution network lines is carried out by
different methods, as shown in Figure 3.
Figure 3: Intelligent distribution network line integrated
monitoring system distribution network line operation and
maintenance distribution network line monitoring
It can be seen from Figure III that the distribution
network line monitoring of the intelligent distribution
network line integrated monitoring system is
significantly better than the ordinary fault detection
method, and the reason is that the intelligent
distribution network line integrated monitoring
system increases the power system regulation
coefficient. And set the threshold of the distribution
network to eliminate the distribution network line
operation and maintenance scheme that does not meet
the requirements.
5 CONCLUSIONS
Aiming at the problem that the monitoring of power
system distribution network lines is not ideal, this
paper proposes an intelligent distribution network
line comprehensive monitoring system, and combines
it with Beidou navigation system to optimize the
power system. At the same time, the accuracy of
distribution network line operation and maintenance
is analyzed in depth to construct a distribution
network collection. The research shows that the
intelligent distribution network line integrated
monitoring system can improve the accuracy of the
distribution network fault detection of the power
system Carry out general distribution network line
operation and maintenance. However, in the process
of intelligent distribution network line
comprehensive monitoring system, too much
attention is paid to the analysis of distribution
network line operation and maintenance, resulting in
unreasonable selection of distribution network line
operation and maintenance indicators.
ACKNOWLEDGEMENTS
2022 China Southern Power Grid Science and
Technology Project, project name "Development and
Application of Distribution Network Operation Risk
Control System Based on Multi-source Information
Fusion", project number: 030200KK52220013
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