publication . Article . 2017

Ideal Operation of a Photovoltaic Power Plant Equipped with an Energy Storage System on Electricity Market

Markku Järvelä; Seppo Valkealahti;
Open Access English
  • Published: 01 Jul 2017 Journal: Applied Sciences (issn: 2076-3417, Copyright policy)
  • Publisher: MDPI AG
Abstract
There is no natural inertia in a photovoltaic (PV) generator and changes in irradiation can be seen immediately at the output power. Moving cloud shadows are the dominant reason for fast PV power fluctuations taking place typically within a minute between 20 to 100% of the clear sky value roughly 100 times a day, on average. Therefore, operating a utility scale grid connected PV power plant is challenging. Currently, in many regions, renewable energy sources such as solar and wind receive feed-in tariffs that ensure a certain price for the energy. On the other hand, electricity markets operate on a supply-demand principle and a typical imbalance settlement perio...
Subjects
free text keywords: solar PV, energy storage systems, electricity markets, Technology, T, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
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