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With the continuous development of the photovoltaic industry, people pay more and more attention to the amount of power generated by the system and the cost. Various types of photovoltaic technology have been gradually applied, of which the double-sided components bear the brunt and become the focus of attention in the photovoltaic industry in the past two years.What is a double-sided component?The double-sided photovoltaic cell is a device that can receive light and produce current and voltage both on the front side and on the back side. In addition to receiving direct solar radiation, the backside of the duplex unit can also receive scattered light from the air, reflected light from the ground, and direct sunlight from the back of the sun every morning and evening. Compared to a single-sided battery pack, the total power generation can be greatly increased. The gain.

Component P-V characteristic curve

Micro Inverter Solutions

In the Zenith micro-inverter system, each inverter has an independent MPPT function that optimizes the output of each component near the maximum power point. In the face of the problem of component mismatches that often exist in double-sided assembly systems, the use of micro-reverse can greatly reduce the short-board effect and reduce the loss of power generation!

Micro inverter PV system

Power Optimizer Solution

The power optimizer is a DC input, DC output component level power electronics. The optimizer can convert low current into high current according to the needs of the series circuit. Finally, the output of each power optimizer is connected in series and connected to the combiner box or inverter.

In a system equipped with a power optimizer, the optimizer has an independent MPPT tracking function, which allows each component to operate independently near the maximum output power point, easily coping with the mismatch problem existing in

the duplex component system.

The power optimizer can monitor and optimize the power of each photovoltaic panel. Even if any panel in the array has a mismatch problem, the other panels can still output the maximum power, which can compensate for the power generated by the mismatch problem. Loss of quantity.

To sum up, the application of component-level power electronics technology can effectively reduce the loss of power generation caused by the mismatch of components, so that the double-sided components can give full play to its advantages of multi-power generation and improve the overall benefits of the system.