Selecting the right photovoltaic (PV) module is critical for maximizing energy efficiency and ensuring a durable, cost-effective solar installation. This guide covers the essential aspects to consider, including cell type, technology, module size, warranty, and company history, using Thornova Solar's TS-BBT54-G11 model as an example.
1. Cell Type
· N-type Monocrystalline Cells: Modules with N-type monocrystalline cells, such as the Thornova TS-BBT54-G11, are known for their high efficiency and longevity. N-type cells do not suffer from Light-Induced Degradation (LID), ensuring a higher energy yield over time compared to P-type cells.
· Rectangular Cell Design: The G11 series uses 182 x 210 mm rectangular cells, offering 10-15W more power per module than M10(182 x 182 mm) cells. This enhances power generation and reduces Balance of System (BOS) costs, making it ideal for space-limited commercial and residential projects. Additionally, the larger cell size reduces occlusion loss, improving performance in shaded conditions by minimizing power loss from partial shading.
2. Module Technology
Enhanced Light Trapping and Bifacial Technology: The TS-BBT54-G11 model incorporates advanced bifacial technology, which enables the module to capture up to 25% more energy from the rear side. This is particularly beneficial in high-reflectivity environments, such as snowy or sandy areas, where it maximizes power generation even in challenging conditions. The single-glass structure, coupled with enhanced light-trapping capabilities, further boosts the module's efficiency and reliability, especially under low-light conditions.
· Low Irradiance Condition (LIC) Performance: TS-BBT54-G11 performs exceptionally well in low irradiance conditions (LIC), such as on overcast or shaded days, maximizing energy production is crucial. Due to the larger cell area and higher current, power losses are significantly decreased.
Power loss in these conditions is given by the formula:
Ploss = I²R
As sunlight (irradiance, Irr) decreases below 1000W/m², the current (I) also decreases, following the relation:
I∝Irr
This means that lower irradiance leads to lower current and higher power loss. However, thanks to its larger cells and higher current, TS-BBT54-G11 reduces relative power loss, allowing it to maintain better performance and capture more energy, even in dim or cloudy conditions.
· Operational Temperature Performance: The TS-BBT54-G11 module has a temperature coefficient of -0.29%/°C, meaning its maximum output power decreases by only 0.29% for every 1°C increase in temperature, which is better than the industry standard of -0.3%/°C for TOPCon cells. As temperature rises, the Open Circuit Voltage (Voc) decreases, Short Circuit Current (Isc) slightly increases, and the Fill Factor (FF) typically decreases. However, with the TS-BBT54-G11, these changes are minimized, ensuring better overall efficiency and performance in hot environments, allowing the module to maintain high output even under challenging temperature conditions.
3. Module Size
· Dimensions and Weight: Module size is a practical consideration, especially for installations with limited space. The TS-BBT54-G11 module measures approximately 1961 x 1134 x 35 mm and weighs 24 kg, making it suitable for most residential and commercial installations.
4. Warranty and Certifications
· Performance and Product Warranty: Thornova Solar offers an industry-leading warranty for the TS-BBT54-G11 model, which includes a 25-year product warranty and a 30-year linear power warranty. The module is guaranteed to experience no more than 0.40% annual degradation, ensuring that it retains at least 87.4% of its original power output by the end of the warranty period.
· Certifications: All of Thornova Solar's modules, including the TS-BBT54-G11, are certified with international standard - IEC, as well as North American regional standards UL and CSA. These certifications ensure that our products meet the highest quality, safety, and performance standards, making them reliable and compliant for use.
5. Company History and Reputation
When choosing a photovoltaic module, it is also essential to consider the reputation and track record of the manufacturer. Thornova Solar has established itself as a leader in the solar industry, known for its commitment to innovation, quality, and customer satisfaction. A manufacturer with a strong history and positive customer feedback can offer added peace of mind that your investment will continue to deliver excellent performance over the long term.
Founded in California in 2021, Thornova Solar operates 2.5 GW of module manufacturing capacity in Indonesia, with plans to establish 3 GW of production capacity in USA in 2025. We are part of the globally engaged Yuncheng Solar Technology group, which serves the APAC, EMEA (Europe, Middle East, and Africa), and Latin American regions.
6. Make an Informed Decision
In conclusion, selecting the right photovoltaic module involves considering several key factors, including cell technology, module size, warranty coverage, and the manufacturer’s reputation. By carefully evaluating these aspects, you can make an informed decision that maximizes both energy production and your return on investment. Whether you are installing solar for your home or business, choosing a high-quality, durable module like the TS-BBT54-G11 will ensure that you enjoy years of reliable, efficient energy production.
For more information on the TS-BBT54-G11 or to request a quote, please Contact Us.
