Comparison of High Capacity SVC and STATCOM in Real Power Grid

Both SVC (Static Var Compensator) and STATCOM (Static Synchronous Compensator) are important equipment of reactive compensation, which are compared in voltage supporting, improving the transient stability and transmission limit, and damping low frequency oscillation. Simulation results are presented...

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Vydané v:2010 International Conference on Intelligent Computation Technology and Automation Ročník 1; s. 993 - 997
Hlavní autori: Ding Lijie, Liu Yang, Miao Yiqun
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.05.2010
Predmet:
Automatic voltage control
Damping
damping control
Frequency
Power grids
Power system faults
Power system simulation
Power system stability
Power system transients
Reactive power
STATCOM
Static VAr compensators
SVC
transmission limit
voltage supporting
ISBN:9781424472796, 1424472792
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Popis
Shrnutí:Both SVC (Static Var Compensator) and STATCOM (Static Synchronous Compensator) are important equipment of reactive compensation, which are compared in voltage supporting, improving the transient stability and transmission limit, and damping low frequency oscillation. Simulation results are presented as high capacity static var system for SVC or STATCOM is placed on transmission path of power system. Firstly, single SVC and STATCOM are limited in voltage supporting after fault occurrence, but STATCOM is little better than SVC. Secondly, STATCOM is much better than SVC in improving the transient stability and transmission limit. Thirdly, on the damping low frequency oscillation, STATCOM is much better than SVC as SVC and STATCOM have the same capacity, and performs similarly with SVC as the two have the same controllable capacity. Lastly, the results also indicate that dynamical response speed effects the control result little though STATCOM responses much faster than SVC.
ISBN:9781424472796
1424472792
DOI:10.1109/ICICTA.2010.586