What is one advantage of using series connections in PV systems?

Using series connections in photovoltaic (PV) systems offers the advantage of increased voltage. When solar panels are connected in series, the voltage output of each individual panel adds up, which can be advantageous for several reasons. Higher voltage can reduce the current for a given power level, which is beneficial because it can decrease resistive losses in the conductors due to lower current levels.

Moreover, many inverters and electrical systems operate more efficiently at higher voltages, making this configuration advantageous in terms of system design and performance. This allows the system to function more effectively and can help in reaching the optimal voltage levels required for grid connection or battery charging.

While lower resistance and increased current are concepts associated with electrical circuits, they do not accurately describe the primary benefit of series connections in PV systems. Instead, series connections primarily focus on enhancing the overall voltage output, contributing to the system's efficiency and effective integration into larger electrical networks.