Design and Dynamic Modelling of a Hybrid PV-battery System for a House with an RO Water Desalination Unit in Iran
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Bibliographic record
Abstract
Energy crisis and power shortage are major concerns in Iran nowadays, where people experience several blackouts during the day. On the other hand, potable water scarcity is another trend in Iran. In this study, the design and dynamic modelling of a stand-alone hybrid PV-Battery-RO system are discussed for a house in Sinak village, Tehran, Iran. Site characteristics are analyzed in the first part to estimate the house load and deferrable RO load. In the second part, the system has been modelled in HOMER pro software to determine the size of the photovoltaic panels and battery. Moreover, complete electrical details of the system such as system autonomy, unmet load and excess energy have been described. In the third part, dynamic modelling of the small-scale RO unit based on a transfer function is described. The introduced transfer function correctly simulates the system's output flow rate in response to input water pressure variations. Electrical dynamic modelling of the PV- battery system has been designed in MATLAB/Simulink. The results prove that introduced model can simulate the system's behavior in four conditions: normal operating conditions, zero irradiance conditions, maximum irradiance conditions, and net-zero energy conditions. The battery supports the system, and PV arrays power the loads with a fixed and stable voltage and frequency in all the conditions.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it