2 Citations (Scopus)


In the multimachine circumstances, it is difficult to analyze the steady state stability of each generator. In previous research, analysis of the steady state stability limit has been carried out but only look at the stability of the overall system. Therefore, to analyze the stability of each generator, the multimachine system must be changed into a Single Machine to Infinite Bus (SMIB) system by collecting all the loads into one central load in the infinite bus. The method to change from the multimachine system to SMIB system is presented in this paper. The multimachine system is converted into an equivalent impedance (req and xeq) and an equivalent load based on losses concept. After req and xeq is calculated, then by using steady state stability limit concept, the value of the maximum generation of each generator units can be determined. By means of maximum generation is the maximum output power limit that can be generated without causing unstability. ETAP simulation is used to validate the calculation results of the proposed method. The method was applied to units generator in Java Bali system 500 kV.

Original languageEnglish
Article number01041
JournalMATEC Web of Conferences
Publication statusPublished - 23 Apr 2018
Event3rd International Conference on Electrical Systems, Technology and Information, ICESTI 2017 - Denpasar, Bali, Indonesia
Duration: 26 Sept 201729 Sept 2017


  • Equivalent reactance
  • Equivalent resistance
  • Generator steady state stability limit
  • Maximum generation
  • The losses concept


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