Where are parallel PV connections typically made?

Parallel connections in photovoltaic (PV) systems are typically made in the combiner box. This is a crucial component of a solar power system, where multiple strings of solar panels are combined together. By connecting panels in parallel within the combiner box, the system can take advantage of the sum of the current generated by each string. This configuration allows the voltage to remain the same while increasing the total output current, which is essential for optimizing performance and ensuring the panels work effectively together.

The combiner box also offers additional functions, such as providing overcurrent protection and making it easier to manage multiple strings of solar panels, thus simplifying troubleshooting and maintenance. It serves as a central point where the individual strings from the solar panels converge, facilitating safe and efficient electrical connections before the power is directed to the inverter or other system components.