A study on future system construction using WSCR strengthness index based on python

Seong Jun Park, Jin Hur, Hyun Jin Kim, Yoon Sung Cho

Research output: Contribution to journalArticlepeer-review


In this paper, to studied about future power system construction using PSS / E-Python API. Python-based future system automatical construction methods and modeling of renewable sources. it confirmed the stability of the powert system for each renewable area by calculating the weighted short circuit ratio (WSCR) index. it calculated the short circuit ratio (SCR) and selected the transmission line linkage scenario to improve the stability of vulnerable areas. it confirmed the WSCR index improvement through the selected transmission line linkage of scenario, and analyzed the stability of the renewable power system applying the scenario. It describes Facts and Shunt devices adjustment for the load flow convergence. It describes the stable methed of the bus voltage through the transformer Ratio Tap adjustment. By performing PSS/E ASCC using the Python it was performed three-phase short circuit fault capacity analysis, it is confirmed whether excess of the fault current circuit breaker capacity. In order to contingency accident analysis, it have described the generation of one or two line list of each areas using the Python. The list is used to contingency analysis and describe the soluted of the transmission line overload through comparison before and after adding the scenario line.

Original languageEnglish
Pages (from-to)994-1001
Number of pages8
JournalTransactions of the Korean Institute of Electrical Engineers
Issue number8
StatePublished - Aug 2018

Bibliographical note

Publisher Copyright:
Copyright © The Korean Institute of Electrical Engineers.


  • Contingency analysis
  • Contingency list
  • Fault analysis
  • Load flow analysis
  • PSS/E-Python
  • Power system construction
  • Renewable energy
  • SCR
  • WSCR


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