An Approach for Optimal Placement of UPFC to Enhance Voltage Stability Margin under Contingencies
نویسنده
چکیده
This paper proposes a sensitivity based technique for optimal placement of Unified Power Flow Controller (UPFC) to enhance voltage stability margin under contingencies. The sensitivity of system loading factor with respect to the reactive power flowing through lines computed for the system intact case and critical contingency cases have been used to decide optimal location for the placement of UPFC. The proposed sensitivity factor has been derived from the reactive power flow balance equation. The effectiveness of the proposed method for the placement of UPFC in voltage stability margin enhancement has been validated on a practical 75-bus Indian system representing Uttar Pradesh State Power Corporation Network.
منابع مشابه
Optimal PMU Placement Considering with HVDC Links and Their Voltage Stability Requirements
In wide area measurement systems, PMUs are the main component measuring real time synchronized data from different buses. Installation of PMUs at all buses is a primary way to provide full observability of the power network. However, it is not practical in real networks due to the relatively expensive cost of PMUs and other technical limitations. Optimal PMU Placement (OPP) is an optimization p...
متن کاملApplication and comparison of computational intelligence techniques for optimal location and parameter setting of UPFC
Unified power flow controller (UPFC) is one of the most effective flexible AC transmission systems (FACTS) devices for enhancing power system security. However, to what extent the performance of UPFC can be brought out, it highly depends upon the location and parameter setting of this device in the system. This paper presents a new approach based on computational intelligence (CI) techniques to...
متن کاملStatic and Transient Voltage Stability Assessment of Power System by Proper Placement of UPFC with POD Controller
Optimal Location of FACTS devices are very important for the rapid and successful operation because of high cost and circuit complexities. In this paper best location of UPFC (Unified Power Flow Controller) is obtained both for static and transient voltage stability enhancement of an IEEE 14 bus power system. The simulation is done on PSAT (Power System Analysis Tool-box) in MATLAB and optimal ...
متن کاملUPFC Siting and Sizing in Power Network Using Two Different Evolutionary Algorithm
In emerging electric power systems, increased transactions often lead to the situations where the system no longer remains in secure operating region. The flexible Ac transmission system (FACTS) controllers can play an important role in the power system security enhancement. However, due to high capital investment, it is necessary to locate these controllers optimally in the power system. FACTS...
متن کاملA Novel Reconfiguration Mixed with Distributed Generation Planning via Considering Voltage Stability Margin
In recent years, in Iran and other countries the power systems are going to move toward creating a competition structure for selling and buying electrical energy. These changes and the numerous advantages of DGs have made more incentives to use these kinds of generators than before. Therefore, it is necessary to study all aspects of DGs, such as size selection and optimal placement and impact o...
متن کامل