Open AccessImprovement of Static Voltage Stability of 16-Bus Bali System by Optimal Placement of SVC
Author(s) -
Ni Putu Agustini,
I Made Hedy Wartana,
Abraham Lomi
Publication year - 2021
Publication title -
international journal of smart grid and sustainable energy technologies
Language(s) - English
Resource type - Journals
eISSN - 2580-9121
pISSN - 2580-779X
DOI - 10.36040/ijsgset.v4i1.3902
Subject(s) - static var compensator , ac power , control theory (sociology) , electric power system , voltage drop , voltage , installation , flexible ac transmission system , shunt (medical) , controller (irrigation) , voltage optimisation , transmission system , engineering , computer science , power (physics) , power flow , transmission (telecommunications) , electrical engineering , control (management) , mechanical engineering , medicine , agronomy , physics , quantum mechanics , artificial intelligence , cardiology , biology
In a power system, the reactive power imbalance is related to the stability of the static voltage because the injection of reactive power that the bus receives from the system determines the bus's capability in the system. Rapid increases in real and reactive power losses occur as the system approaches the voltage drop point or the maximum load point. It is necessary to support local and adequate reactive power to avoid system leading to be voltage collapse. This study analyzes the improvement of the margin of static voltage stability using one type of modern control equipment of shunt flexible AC transmission system (FACTS), namely the static var compensator (SVC). The controller's representations are used in the continuation power flow (CPF) process to study static voltage stability. The proposed method's effectiveness has been investigated using a practical test system, namely the Bali 16-bus system, to increase the system loading capacity. The simulation was carried out by installing a modern controller in the best location, namely on bus 07 ASARI; an increase in system margin loading closed to 2% compared to the base case condition, namely λmax = 1,879 p.u with the voltage profile not changing significantly.