Base on Transmission Line Model to Investigate the Power Margins of Main Transformers

  • Yen-Ming Tseng
  • Rong-Ching WuEmail author
  • Jeng-Shyang Pan
  • En-Chih Chang
  • Peijiang Li
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 82)


Demand type of power is divided into residential, industrial and commercial three types. Feeders loading are combination with the three type demands to form residential-oriented, industrial-oriented and commercial-oriented. Different demand-oriented loading of feeders affect the load flow with different line model such as lumped model, π model and distributive model. In this paper, chosen a main transformer at Wei-Wu substation which loadings is summation by the connective feeder’s loadings. By using the PSS/E software to find the maximum power and power margin under different power delivery. With the testing result, the power margins is relative with the various categories of main transformer assumes tendency of the inverse ratio.


Main transformer Load curve Lumped model π model Distributive model Power margin 


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Yen-Ming Tseng
    • 1
  • Rong-Ching Wu
    • 2
    Email author
  • Jeng-Shyang Pan
    • 1
  • En-Chih Chang
    • 2
  • Peijiang Li
    • 1
    • 3
  1. 1.Fujian Provincial Key Laboratory of Big Data Mining and Application/School of Information Science and EngineeringFujian University of TechnologyFuzhouChina
  2. 2.Department of Electrical EngineeringI-Shou UniversityKaohsiungTaiwan
  3. 3.School of Information Science and EngineeringFujian University of TechnologyFuzhouChina

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