NEHİR TİPİ HİDROELEKTRİK GÜÇ SANTRALLERİNİN RAMPA OLAYLARININ MEVSİMSEL DEĞERLENDİRİLMESİ

Year 2023, Volume: 26 Issue: 1, 57 - 66, 15.03.2023

İsrafil Karadöl Fatma Avli Fırış Mustafa Şekkeli

https://doi.org/10.17780/ksujes.1172594

Abstract

Bu çalışma, nehir tipi hidroelektrik santrallerinin (NHES) rampa oranlarını (üretim değişimlerini) mevsimsel olarak incelemeyi amaçlamaktadır. Bu amaçla öncelikle 01 Aralık 2020 ile 01 Aralık 2021 tarihleri arasında Türkiye NHES verileri elde edilmiştir. Elde edilen veriler saatlik çözünürlükte olup 560 tesise aittir. Çalışmada kullanılan santrallerin toplam kurulu gücü 7897,06 MW'dır. Bu çalışmada, 1, 3 ve 6 saatlik periyotlarda kurulu gücün %5, %7,5 ve %10'luk rampa oranlarını incelemek için histogram alanları kullanılmıştır. Yapılan incelemeler sonucunda ilkbahar, yaz, sonbahar ve kış mevsimlerinin 6 saatlik zaman dilimlerinde %5 ve üzerindeki rampaların kümülatif histogram alanları sırasıyla 39430.94, 22117.72, 17811.76 ve 34914.32 olarak hesaplanmıştır. Bu rampalar yönlerine göre değerlendirildiğinde ilkbahar, yaz, sonbahar ve kış aylarında pozitif rampa (jenerasyon artışı) histogram alanları sırasıyla 20052.1, 10945.74, 9095,8 ve 17303.19'dur. Negatif rampaların (üretim azalması) ilkbahar, yaz, sonbahar ve kış aylarında histogram alanları sırasıyla 19378.84, 11171.98, 8715.96 ve 17611.13'tür. Tüm bu sonuçlara göre Türkiye'nin NHES üretimlerinde rampa olayları en çok bahar mevsiminde meydana geldi. Ayrıca olumlu rampa olaylarının her mevsimde daha fazla meydana geldiği sonucuna da ulaşılmıştır.

Keywords

Rampa oranı, nehir tipi hidroelektrik santrali, yenilenebilir enerji

SEASONAL ASSESSMENT OF RUN-OF-RIVER HYDROELECTRIC POWER PLANT RAMP EVENTS

Abstract

This study aims to seasonally examine run-of-river type hydroelectric power plants' ramp rates (generation changes) (RoRHPP). Turkey RoRHPP generations were obtained for this objective between 01 December 2020 and 01 December 2021. Obtained data are hourly resolution and belong to 560 plants. The total installed power of the plants used in work is 7897.06 MW. This study used histogram fields to examine ramp rates of 5%, 7.5%, and 10% of the installed power in 1, 3, and 6-hour periods. As a result of the investigations, the cumulative histogram areas of the ramps of 5% and above in 6 hours temporal periods of the spring, summer, autumn, and winter seasons were calculated as 39430.94, 22117.72, 17811.76, and 34914.32, respectively. When these ramps are evaluated according to their directions, the histogram areas of positive ramp (generation increase) in spring, summer, autumn, and winter are 20052.1, 10945.74, 9095.8, and 17303.19, respectively. The histogram areas of the negative ramps (reduction of generation) in spring, summer, autumn, and winter are 19378.84, 11171.98, 8715.96, and 17611.13, respectively. According to all these results, ramp events in Turkey's RoRHPP productions occurred the most in the spring. In addition, It was also concluded that positive ramp events occurred more in all seasons.

Keywords

Ramp rate, run-of-river hydroelectric power, renewable energy

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