Optimal reactive power compensation in electrical distribution systems with distributed resources. Review
A Águila Téllez1, G López2, I Isaac2
1Universidad Politécnica Salesiana, Quito, Ecuador.
Heliyon
|September 1, 2018
Summary
Optimizing reactive power compensation in power grids requires a multi-criteria approach. This study analyzes methods for selecting and locating compensating elements to improve grid performance and reduce costs.
Area of Science:
- Electrical Engineering
- Power Systems Analysis
Background:
- Optimal selection and placement of reactive power compensating elements are crucial for power grid efficiency.
- Individual analysis of electrical variables presents conflicts, highlighting the need for a holistic approach.
Purpose of the Study:
- To conduct a bibliographical revision of mathematical methods for optimal reactive power compensation.
- To identify the need for multi-criteria analysis in distribution grids with distributed resources.
Main Methods:
- Bibliographical revision of mathematical methods.
- Analysis of objective functions from various studies.
- Development of a theoretical heuristic based on multi-criteria optimization.
Main Results:
- Identified conflicts in individual electrical variable analysis.
- Demonstrated the necessity of multi-criteria optimization for reactive power compensation.
- Proposed a heuristic for optimal location and dimensioning of compensating elements.
Conclusions:
- Reactive power compensation in grids with distributed resources demands multi-criteria optimization.
- A global solution optimizes voltage profiles, minimizes losses, mitigates harmonics, and improves capacity and stability at minimal cost.
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