What is a photovoltaic storage building system?
The structure of the photovoltaic storage building system is shown in Fig. 1. It mainly includes the upper-level power grid, photovoltaic power generation units, energy storage units, and building loads. The building loads are divided into rigid loads, such as lighting and equipment loads, and flexible loads such as EV charging loads and AC loads.
What is a short-term forecast for photovoltaics and load within 1 day?
Before the intraday scheduling of the system, the short-term forecast for the photovoltaics and load within 1 day is carried out first. The random error of normal distribution is superimposed on the previous forecast results to simulate the short-term intraday forecast data [19, 20]. Specifically,
Why does a photovoltaic system reduce power consumption?
This is because the system can control the power of the AC load to stabilize system power fluctuations when the power of the intraday source load is unbalanced. In Scenario 6, the photovoltaic consumption rate decreased by 10.67% compared to Scenario 8.
What are the specific steps in a photovoltaic system?
The specific steps are as follows. The scheduling plan is formulated 4 h in advance, the control time step is 15 min, the length of the scheduling zone is 4 h, and the photovoltaic and load are re-predicted every 15 min.
How can pumped storage improve photovoltaic generation?
Initially, by utilizing the adaptable control features of pumped storage, the variability of photovoltaic generation can be substantially curbed, which in turn alleviates the strain on the grid during periods of peak demand management.
What is a multi-time scale energy optimization strategy?
The multi-time scale energy optimization strategy can predict the source load and optimize the system energy scheduling under different time scales, which greatly reduces the difference between the scheduling plan and the actual scheduling caused by the prediction error.
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