Technical effects of renewable energy such as PV or wind energy systems connection to the power grid
Many generators based on renewable resources require the use of inverters for the provision of energy in the form of AC These devices provide energy with some "dirt" from the electrical point of view this "dirt" can create difficulties when inserted in the interconnected systems.
Renewable energy sources like PV and Wind Energy are sources that are not continuous but in discrete format and they need batteries to store those energies. In other words, some days I get power and some days I do not get power. Conventional generators (fossil, nuclear) are continuous.
Grid stabilization of the distribution grid with small PV systems and wind turbines is technically difficult. Here in our region, wind turbines often need to be shut down because their power exceeds the net feed-in capabilities and therefore cannot be fed into the grid. Energy transportation from the place of origin (wind turbines in the North Sea) to the places where the power is needed is another critical issue.
I would not consider them as negative effects but prefer looking at them as technological challenges that need to be solved.
Great thanks dear researchers and engineers. It is now obvious that the matter of technical problems that arise completely depend on the degree of accordance of the components parameters and characteristics with the standards.
PV integration may cause voltage instability on the power system most especially LV radial network when large amount of PV's are integrated and this can lead to increases losses on the line, high reverse power flow, transformer issues, cable rating issues and sudden voltage rise issues. but if smart technologies are applied it can effective manage the LV voltage network and increase penetration into the grid and sustain the LV grid from the aforementioned impact above to significant level. it all boils down to technicality
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