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Articles
  • OpenAccess
  • Analysis of Switching Overvoltage in Regional Grid with Small Hydropower Plants  [PEAM 2013]
  • DOI: 10.4236/eng.2013.59B004   PP.19 - 23
  • Author(s)
  • Juan Chen, Haifeng Li
  • ABSTRACT
  • Present-day small hydropower plants (SHPs) have a large development potential because of the increasing interest in renewable resources and distributed energy generation, therefore, there are many SHPs in places of China where are rich in water resources. However, it has caused overvoltages in the distribution network, and which is even worse for the switching overvoltage such as isolated network operation, changing power supply path. The simple network model is used to analyze the reasons of the switching overvoltage, and the simulation software DIgSILENT/PowerFactory is used to check out the results of the theoretical analysis.
  • KEYWORDS
  • Small Hydropower; Isolated Operation; Changing Power Supply Path; Switching Overvoltage
  • References
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    [3]
    F. H. Jiang and X. Z. Du, “Development Status and Problems of Small Hydropower in China,” China Rural Water and Hydropower, Vol. 3, 2004, pp. 82-83.
    [4]
    H. L. Zhang and L. G. Liu, “Voltage and Reactive Power of Small Hydropower System and Study on Control Strategy,” Master Thesis, North China Electric Power University, Beijing, 2010.
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    X. H. Fang, “Management of Voltage and Reactive Power of Small Hydropower,” Rural Electrification, Vol. 7, 2008.
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    L. QIAO, L. Guo and R. Zhang, “Estimated Means of Reactive Power for Distributed Small Hydropower Based on Optimal Power Flow,” Proceedings of the Chinese Society of Universities, Vol. 2, 2008.
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