Improving the Load Profile by Peak Shaving in a Solar Energy System with Energy Storage

Öz

Increasing population, developing industry, and technology lead to increase the demand for energy day by day. However, the factors, such as global warming, climate change, and sustainability are shifting attention to renewable energy. But, the desired flexibility for power grids can’t be provided because of the irregular production regimes of renewable energy systems. As a solution to this problem, the idea of energy storage facilities has emerged. In this study, real electricity consumption values of a university campus were examined for one-year period, electricity production and consumption values in case of installing a photovoltaic solar energy system (PV) with energy storage on the roof of the university building were analyzed, and the improvements on the load profile were evaluated with the energy storage system by peak shaving. The university's daily, weekly, monthly, and annual energy production-consumption values, the changes in the electricity production and consumption profiles in the winter and summer seasons were studied detailedly. Also, the contribution to the power grid with the peak shaving and renewable energy production were handled with the environment and economic impacts.

Anahtar Kelimeler

• Solar Energy Systems
• Energy Storage
• Peak Load Shaving
• Improving Load Profile

Enerji Depolamalı Bir Güneş Enerjisi Sisteminde Tepe Tıraşlama ile Yük Profilinin İyileştirilmesi

Öz

Artan nüfus, gelişen sanayi ve teknoloji, enerjiye olan talebi her geçen arttırmaktadır. Bununla beraber, küresel ısınma, iklim değişiklikleri ve sürdürülebilirlik gibi etkenler, ilgiyi yenilebilir enerjiye kaydırmaktadır. Ancak yenilebilir enerji sistemlerinin de düzensiz üretim rejimleri nedeniyle, elektrik şebekelerinde istenilen esneklik sağlanamamaktadır. Bu soruna çözüm olarak, yenilenebilir enerji sistemlerinde enerji depolama tesislerinin kurulması fikri ortaya çıkmıştır. Bu çalışmada, bir üniversite yerleşkesinin bir yıllık gerçek elektrik tüketim değerleri incelenmiş, bu yerleşkeye enerji depolamalı bir güneş enerji sisteminin (GES) kurulması durumundaki elektrik üretim ve tüketim değerleri analiz edilmiş, enerji depolama sistemi ile tepe yük tıraşlama yapılarak yük profilinin iyileştirilmesi gerçekleştirilmiştir. Günlük, haftalık, aylık ve yıllık enerji üretim-tüketim değerleri detaylı olarak incelenmiş, yaz ve kış dönemlerinde elektrik üretim ve tüketim profillerindeki değişim, yük tıraşlama ve yenilebilir enerji üretimi ile elektrik şebekesine olan katkılarla beraber, çevresel ve ekonomik etkiler de ele alınmıştır.

Anahtar Kelimeler

• Güneş Enerjisi Sistemleri
• Enerji Depolama
• Tepe Yük Tıraşlama
• Yük Profili İyileştirme

Kaynakça

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