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Top 10 Direct Electricial PV system design mistakes

13/07/2023

Top 10 Direct Electricial PV system design mistakes

Introduction:

The design of a photovoltaic (PV) system plays a crucial role in its overall efficiency and performance. However, there are several common mistakes that can be made during the design process, which can hinder the system's effectiveness and lead to suboptimal results. This blog aims to highlight some of the most frequent PV system design mistakes and provide insights into how to avoid them


Top 10 Direct Electricial PV system design mistakes :

  1. The MPPT of the strings is less or more than the MPPT voltage range of the inverter.
  2. The current of the strings per MPPT is greater than MPPT short circuit current.
  3. Connect two Strings with different angles in the same MPPT.
  4. Connect two Strings with and without shadows in the same MPPT.
  5. Under or oversized cables
  6. Under or oversized breakers
  7. Mistake in calculating the max voltage of the string in low temperature conditions and the min voltage in high temperature conditions
  8. Mistake in inverter sizing
  9. Mistake in system sizing
  10. Connect different panel sizes in the same string. **

Conclusion:

Avoiding common PV system design mistakes is crucial to ensure the efficiency, reliability, and longevity of the system. By carefully sizing the system, selecting an appropriate site, investing in regular maintenance, implementing efficient wiring and component layout, and creating accurate design documentation, the chances of encountering these mistakes can be significantly reduced. Following these guidelines will help maximize the performance and return on investment of a PV system, ultimately contributing to a greener and more sustainable energy future


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Top 10 Direct Electricial PV system design mistakes