A Review of Smart Protection Solutions for Future Power Systems
S. Choudhary (TU Delft - Electrical Engineering, Mathematics and Computer Science)
M Popov – Mentor (TU Delft - Intelligent Electrical Power Grids)
Aleksandra Lekic – Mentor (TU Delft - Intelligent Electrical Power Grids)
Mohamad Ghaffarian Ghaffarian Niasar – Graduation committee member (TU Delft - High Voltage Technology Group)
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Abstract
The growing demand for electricity and the importance of decarbonization have forced to transition from fossil fuels to sustainable sources of energy like wind and solar. Currently, the universal power mix remains dominated by fossil fuels but plans are in motion to achieve the target set for the upcoming years. It involves grid expansion and the addition of new elements in the form of Distributed Energy Resources(DERs). This has an influence on the performance of the complete power system. To allow an increasing penetration level of
DG(Distributed Generations) without causing protection problems or unacceptable power flows and fault levels, the impact of DG has to be researched for a secured future grid.
The protection system of the power system is an aspect that will be significantly affected by the continuous integration of Distributed generation sources. For this reason, it is crucial to develop and validate smart protection solutions for future power systems in order to avoid catastrophic blackouts. In order to overcome the shortcomings, Synchrophasor systems can be used for real-time wide area protection and control. The real-time implementation reflects a smart protection scheme, using smart hardware such as a Phasor measurement Unit (PMU). By developing a suitable algorithm that can be used for decision-making
in case of an event on the transmission lines. It coherently helps in faster restoration of the transmission lines operation. Smart protection solutions will help in strengthening the protection system and will allow more flexibility in the coming years.