Research on the Quantitative Assessment Method of HVDC Transmission Line Failure Risk during Wildfire Disaster
Abstract
:1. Introduction
2. Literature Review
3. Methodology and Analysis
3.1. Probability Model of HVDC Line Failure during Wildfire Disasters
3.1.1. Influencing Factor of the Fire Points Number
3.1.2. Failure Probability Time-Varying Factor
3.1.3. HVDC Line Breakdown Risk Factors
3.2. Constructing Methodology of the Simplified Evaluation Index
3.3. ArcGIS Processing Module
Algorithm 1 Batch rapid fire point counting process in the buffer zone |
Process: Automated batch statistics of the number of fire points within the impact area of transmission towers. |
Input: Latitude and longitude of transmission towers Longitude and latitude data of the wildfire |
Utilizing the ArcGIS Spatial Join module to perform statistical analysis on all fire points within the buffer zones of transmission towers for the specified date. end for end for |
Output: The number of fire points in the transmission towers buffer zone. |
4. Case Study Results
4.1. Introduction to the Calculation System
4.2. Analysis of Failure Probability Calculation Results
4.3. Evaluation Indicator Effectiveness Analysis
5. Discussion
6. Conclusions
- (1)
- The proposed method for calculating failure probability comprehensively considers various factors influencing wildfire disasters on HVDC transmission lines. It can effectively evaluate the impact of wildfire disasters on HVDC transmission lines. In previous studies about calculating the transmission line failure probability during wildfire disasters, as shown in references [14,15], the multiple influences of the various wildfire spots in reference [15] and the influence of different transmission line characteristics, such as voltage level [14], are not considered. This paper establishes a calculating model considering the various wildfire spots, the diffusion of wildfire disasters, and the transmission line characteristics.
- (2)
- For actual HVDC transmission lines, the failure risk assessment index proposed in this article can accurately evaluate the failure risk of HVDC transmission lines during wildfire disasters and has practical application value. The simplified evaluation index is proposed to accurately assess the failure risk of transmission lines during wildfire disasters, and its accuracy is verified by regression analysis. By using this simplified evaluation index in the large-scale transmission grid, the calculation time can be reduced, and the computational efficiency can be improved.
- (3)
- This paper proposes a processing method of various wildfire spots and develops an automatic processing toolbox based on the ArcGIS. This allows us to obtain the wildfire spots numbers in the buffer zone accurately and rapidly and provides the critical information to calculate the simplified evaluation index.
- (1)
- The computing accuracy of the simplified index and the proposed calculating modelshould be validated by comparing them with the real failure data of transmission lines.
- (2)
- The potential future work will concentrate on the validation of the proposed calculating model accuracy and expand this model and its simplification method to calculate the transmission line failure during other extreme disasters, such as typhoons and earthquakes.
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Send node | Receiver | Length | Voltage |
---|---|---|---|
Baihetan | Zhejiang | 2121 (km) | 800 kV |
Baihetan | Jiangsu | 2080 (km) | 800 kV |
Deyang | Baoji | 534 (km) | 500 kV |
Fulong | Fengxian | 1907 (km) | 800 kV |
Shuanglong | Jinhua | 1680 (km) | 800 kV |
Yazhong | Boyanghu | 1696 (km) | 800 kV |
HVDC Line | SSE | |
---|---|---|
Baihetan-Zhejiang | 0.9998 | |
Baihetan-Jiangsu | 0.9999 | |
Deyang-Baoji | 0.9990 | |
Fulong-Fengxian | 0.9993 | |
Shuanglong-Jinhua | 0.9998 | |
Yazhong | 0.9994 |
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Zhou, B.; Sun, X.; Xu, Y.; Wei, W. Research on the Quantitative Assessment Method of HVDC Transmission Line Failure Risk during Wildfire Disaster. Electronics 2024, 13, 2119. https://doi.org/10.3390/electronics13112119
Zhou B, Sun X, Xu Y, Wei W. Research on the Quantitative Assessment Method of HVDC Transmission Line Failure Risk during Wildfire Disaster. Electronics. 2024; 13(11):2119. https://doi.org/10.3390/electronics13112119
Chicago/Turabian StyleZhou, Bo, Xinwei Sun, Yunyang Xu, and Wei Wei. 2024. "Research on the Quantitative Assessment Method of HVDC Transmission Line Failure Risk during Wildfire Disaster" Electronics 13, no. 11: 2119. https://doi.org/10.3390/electronics13112119
APA StyleZhou, B., Sun, X., Xu, Y., & Wei, W. (2024). Research on the Quantitative Assessment Method of HVDC Transmission Line Failure Risk during Wildfire Disaster. Electronics, 13(11), 2119. https://doi.org/10.3390/electronics13112119