Optimization Of Frequency Stability for a 10 MW OnGrid Solar System in the Electricity System Of Nusantara Capital City
Keywords:
Renewable Energy, Solar PV, Frequencyt SystemAbstract
The Increasing demand for electrical energy and global warming are driving the use of renewable energy. Environmental issues regarding increased air pollution emissions due to various human activities that cause climate change are in the global spotlight. Solar energy as a form of renewable energy is abundant, clean and free. However, the addition of solar power plants into the electricity system does not always have a positive impact due to its intermittent nature and dependence on unruly primary energy. In the electricity system of Ibukota Nusantara, a 10 MW solar power plant is connected On Grid and synchronized with the Mahakam System via 20 KV. The performance of PLTS is highly dependent on solar radiation and weather. This causes the PLTS output power to always fluctuate. PLTS fluctuations will be dampened by the battery so as not to unduly affect the performance of other plants. This simulation will use DigSILENT 15.1 software. In this simulation, several case studies are carried out, namely the effect of PLTS integration on system frequency, PLTS penetration on system stability, the effect of loading on free governor and hybrid simulation with batteries for system stability. So that this simulation is able to determine the limit of system stability when this PLTS has operated up to 50 MW with this optimal capacity certainly does not interfere with the stability of the system frequency.
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