How do Trackers and Inverters Work Together with Bifacial Solar Panels?

Views: 580     Author: Site Editor     Publish Time: 2021-08-03      Origin: Site

Due to the excellent production efficiency and compatibility with various accessories, bifacial solar panels have become a viable alternative to traditional solar panels in recent years. Traditional monofacial solar panels receive sunlight from only one side, while bifacial solar panels can absorb sunlight on both sides at the same time. As a result, they capture more energy and generate more power. Therefore, the efficiency of bifacial solar panels far exceeds that of traditional solar panels.


With the continuous development of solar energy technology, the cooperative work of solar tracking system and inverter has further improved the bifacial solar panels efficiency. The bifacial solar panel itself can increase light capture by 10%, but adding a single-axis tracker can increase the total gain to 30%. After seeing this, do you want to know how this technology achieves such high efficiency? This article will reveal the answer for you.


 solar tracker

1. Solar Tracker

Solar tracker is a device that follows the sunlight in the sky. When using solar trackers in combination with solar panels, these solar panels can move along the path of the sunlight and generate more renewable energy for use. Solar trackers are usually paired with ground-mounted solar systems, but recently, rooftop-mounted trackers have been put on the market. There are currently two main types of solar trackers.


Manual trackers require someone to physically adjust the solar panels at different times to follow the sunlight.


There is a liquid that evaporates easily in the passive tracker. When the liquid evaporates, the tracking system becomes imbalanced inside, and this imbalance causes the solar panel to tilt in the direction of the sun rays.


solar power panels

When your installation space is limited, solar trackers are really useful. If you don't have space for other solar panels, installing a solar tracking system will enable you to generate more electricity in a limited area.



2. String and Central Inverters

With the development of inverter technology, the decision of whether to choose centralized or string inverters for utility-scale solar farms appears. In bifacial solar panels, the choice of these two inverters is also controversial.


The central inverter concentrates all energy in one place. Therefore, the size unit of the central inverter is much larger than that of the string inverter, and each unit can convert more power. However, this combination has certain drawbacks. Since all solar panels are connected to the same line, the entire solar energy system will have problems as long as one of the panels fails. But for large utility-scale installations, central inverters are cheaper than overall string inverters because fewer inverters are required at each site.

solar photovoltaic systems

The combination of string inverters is completely opposite. Only one set of solar panels are connected to each inverter, so they are very small, and each unit converts much less power than the central inverter. However, for smaller utility-scale projects, string inverters are easy to repair and have high safety.



It can be seen that no matter which inverter or tracker you choose, it can improve efficiency as long as it matches the solar panels.

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