Research on Land-Based Wind/Solar Power Station Site Deformation Monitoring Based on SBAS-InSAR Technology

Authors

  • Junke Guo China Energy Engineering Group
  • Ling Liu China Energy Engineering Group
  • Yongfeng Zheng China Energy Engineering Group
  • Wei Cai China Energy Engineering Group
  • Zhijun Wang China Energy Engineering Group
  • Shangqi Wang China Energy Engineering Group

DOI:

https://doi.org/10.4108/ew.5656

Keywords:

LAnd-based Wind/Solar Power Station, Deformation Monitoring, Time Series, SBAS-InSAR

Abstract

INTRODUCTION: In recent years, China has been building extensive wind/solar power stations. During the construction and operation of land-based wind/solar power stations, deformation monitoring is an important method to investigate the station stability.

OBJECTIVES: Therefore, this study uses Sentinel-1 data and time-series InSAR technology to monitor the deformation of photovoltaic and wind power stations in Qingyuan County.

METHODS: InSAR technology obtains deformation rate maps in the radar line of sight (LOS) direction for a wide area around the power station sites. Since wind/solar power stations are mainly located in natural environments with relatively dense vegetation coverage, this paper proposes a SBAS-InSAR method integrated with spatiotemporal filtering to accurately extract the time series deformation over a large area. Based on the statistical characteristic difference between the deformation and the atmospheric delay, spatiotemporal filterings are applied to remove the atmospheric delay from the InSAR derived deformation results.

RESULTS: The experimental results show that spatiotemporal filtering is an effective and fast method to remove atmospheric delay.

CONCLUSION: The integration of BSAS-InSAR with spatiotemporal filtering has great potential applications in the deformation monitoring of land-based wind/solar power station sites, which is critical for the construction and operation of land-based wind/solar power stations.

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Published

05-04-2024

How to Cite

1.
Guo J, Liu L, Zheng Y, Cai W, Wang Z, Wang S. Research on Land-Based Wind/Solar Power Station Site Deformation Monitoring Based on SBAS-InSAR Technology. EAI Endorsed Trans Energy Web [Internet]. 2024 Apr. 5 [cited 2024 May 20];11. Available from: https://publications.eai.eu/index.php/ew/article/view/5656