A Study on Estimation of Average Power Output Fluctuation of Clustered Photovoltaic Power Generation Systems in Urban District of a Few km2

2010 ◽  
Vol 130 (2) ◽  
pp. 214-222 ◽  
Author(s):  
Takeyoshi Kato ◽  
Yasuo Suzuoki
Keyword(s):  
Power Generation ◽  
Power Output ◽  
Average Power ◽  
Urban District ◽  
Photovoltaic Power ◽  
Average Power Output ◽  
Power Generation Systems

Development of UC-EDC Model in Consideration of Short-cycle Fluctuation Characteristics of Aggregated Power Output of Photovoltaic Power Generation Systems

2016 ◽  
Vol 136 (5) ◽  
pp. 505-514 ◽  
Author(s):  
Takeyoshi Kato ◽  
Yusuke Manabe ◽  
Toshihisa Funabashi ◽  
Shuhei Sugimura ◽  
Muneaki Kurimoto ◽  
...  
Keyword(s):  
Power Generation ◽  
Power Output ◽  
Short Cycle ◽  
Photovoltaic Power ◽  
Power Generation Systems ◽  
Cycle Fluctuation

scholarly journals An optimal tuning strategy for tidal turbines

2016 ◽  
Vol 472 (2195) ◽  
pp. 20160047 ◽  
Author(s):  
Ross Vennell
Keyword(s):  
Power Generation ◽  
Wind Turbine ◽  
Power Output ◽  
Tidal Cycle ◽  
Average Power ◽  
Limit Loads ◽  
Tidal Turbines ◽  
Average Power Output ◽  
Tuning Strategy ◽  
Array Output

Tuning wind and tidal turbines is critical to maximizing their power output. Adopting a wind turbine tuning strategy of maximizing the output at any given time is shown to be an extremely poor strategy for large arrays of tidal turbines in channels. This ‘impatient-tuning strategy’ results in far lower power output, much higher structural loads and greater environmental impacts due to flow reduction than an existing ‘patient-tuning strategy’ which maximizes the power output averaged over the tidal cycle. This paper presents a ‘smart patient tuning strategy’, which can increase array output by up to 35% over the existing strategy. This smart strategy forgoes some power generation early in the half tidal cycle in order to allow stronger flows to develop later in the cycle. It extracts enough power from these stronger flows to produce more power from the cycle as a whole than the existing strategy. Surprisingly, the smart strategy can often extract more power without increasing maximum structural loads on the turbines, while also maintaining stronger flows along the channel. This paper also shows that, counterintuitively, for some tuning strategies imposing a cap on turbine power output to limit loads can increase a turbine’s average power output.

scholarly journals Impact of Power Output Curtailment Control of Photovoltaic Power Generation on Grid Frequency

2020 ◽  
Vol 53 (2) ◽  
pp. 12157-12162
Author(s):  
Takeyoshi Kato ◽  
Masaki Imanaka ◽  
Muneaki Kurimoto ◽  
Shigeyuki Sugimoto
Keyword(s):  
Power Generation ◽  
Power Output ◽  
Photovoltaic Power
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