Novel STATCOM controllers for voltage stabilization of stand alone hybrid (wind/small hydro) schemes

Mohamed S. ElMoursi, Adel M. Sharaf

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


This paper presents Three novel error driven dynamic controllers for the Static Synchronous Compensator (STATCOM) Facts device to stabilize both Wind Energy Conversion stand alone systems (SWECS) as well as hybrid scheme of wind plus small hydro with employing self excited induction generator. The unified AC system of standalone wind energy conversion scheme and hybrid wind/small hydro scheme are connected to a hybrid electric load. Three novel error driven dynamic controllers are validated for the STATCOM as a voltage stabilization scheme. Two novel controller are error driven dynamic controllers with auxiliary tracking control loop. The first controller is tri loop dynamic error driven controller using the RMS Load bus voltage, RMS-Load Current and the instantaneous AC load power. The second controller is DC voltage dynamic tracking controller using the dc link capacitor voltage. The third dynamic controller is based on the decoupled (d-q) current control strategy, namely the direct and quadrature current component for the STATCOM current. The dynamic response results demonstrated the effectiveness of the STATCOM-Facts device in stabilizing both AC wind energy system and the hybrid wind/hydro scheme by ensuring effective generator/load bus voltage regulation and dynamic reactive power compensation under load, wind and other prime mover excursions.

Original languageBritish English
Pages (from-to)1-25
Number of pages25
JournalInternational Journal of Emerging Electric Power Systems
Issue number3
StatePublished - 2006


  • Hybrid wind/hydro system
  • Novel controllers
  • Reactive power compensation
  • Voltage stabilization
  • WECS


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