Voltage-Sensitivity-Approach-Based Adaptive Droop Control Strategy of Hybrid STATCOM

Sungyoon Song, Changhee Han, Gyu Sub Lee, Roy A. McCann, Gilsoo Jang

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


In this study, we propose an adaptive droop control strategy for application to hybrid static synchronous compensator (STATCOM) systems. The proposed voltage-sensitivity-based adaptive droop control scheme using a hybrid STATCOM system helps eliminate any possible interference from other voltage regulation devices while achieving better voltage regulation without implementation of a full observation of the corresponding network. Sensitivity analysis was performed by voltage control of the STATCOM system, and sliding-mode control was included for robustness of the control system. The fixed and adaptive control methods were compared through case studies of the IEEE 39-bus test system. The results were further verified through a transient simulation of the hybrid STATCOM system by considering both low- and high-penetration levels of inverter-based resources.

Original languageEnglish
Article number9121748
Pages (from-to)389-401
Number of pages13
JournalIEEE Transactions on Power Systems
Issue number1
Publication statusPublished - 2021 Jan


  • Adaptive droop control
  • hybrid STATCOM
  • sensitivity analysis
  • voltage regulation

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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