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Advances in Energy Research
  Volume 2, Number 1, March 2014, pages 47-59
open access

Transient stability improvement using quasi-multi pulse BTB-STATCOM
Ahmet M. Vuraland Kamil C. Bayindir

    Back-to-back STATCOM configuration is an extension of STATCOM in which the reactive power at two-sides and the real power flow through the DC link can be controlled concurrently and independently. This flexible operation brings many advantages to the micro-grids, distributed generation based systems, and deregulated power systems. In this paper, the dynamic control characteristics of the back-to-back STATCOM is investigated by simulating the detailed converter-level model of the converters in PSCAD. Various case studies in a single-machine test system are studied to present that the real power control feature of the BtB-STATCOM, even with a simple controller design, can enhance the transient stability of the machine under different fault scenarios.
Key Words
    back-to-back STATCOM; quasi multi-pulse voltage source converter; real power flow control; reactive power control; voltage control; transient stability
Ahmet M. Vural : Department of Electrical and Electronics Engineering, Gaziantep University, Gaziantep, Turkey
Kamil C. Bayindir : Department of Electrical and Electronics Engineering, Cukurova University, Adana, Turkey

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