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The LONGi Hi-MO 5 series is one of the best solar solutions designed and manufactured by LONGi solar technology co ltd, Himo5 series is using technological improvements like bifacial, PERC, and half-cut solar cell technology embedded in high-quality monocrystalline silicon (mono c-Si) wafers, making LONGi the winner of the Intersolar award in the photovoltaic category in 2021.
The Hi-MO 5 series includes both bifacial and monofacial photovoltaic (PV) modules. Monofacial modules are particularly well-suited for installations in mountainous regions and distributed rooftop generation applications. Bifacial solar panels, designed to generate power from both sides of the PV panel, are specifically crafted for utility-scale applications but also demonstrate adaptability to residential and commercial settings.
Hi-MO 5(m)
LONGI Solar
PERC
535-565W
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KEY FEATURES
High Efficiency: The Hi-MO 5 series uses advanced M10 monocrystalline PERC (Passivated Emitter and Rear Cell) technology, which increases energy conversion efficiency up to around 21%.
Bifaciality: These panels are bifacial, it can generate electricity from both sides - front and back. they can increase overall energy production by up to 25% compared to traditional monofacial panels.
Lower LCOE : With higher power output and lower degradation rates, the Levelized Cost of Energy (LCOE) is significantly reduced, making it an economically attractive option for large-scale solar projects.
Large Format Design: Hi-MO 5 features a larger module size, reducing balance-of-system costs due to fewer required mounting structures and cables, thus simplifying installation and lowering labor costs.
Durability and Reliability: LONGi's Hi-MO 5 panels undergo rigorous testing to ensure high durability and reliability under various weather conditions. They come with strong warranties, ensuring long-term performance and return on investment.
Environmental Sustainability: As part of their commitment to sustainability, LONGi Solar's products have a lower carbon footprint throughout their lifecycle, aligning with global renewable energy goals.
| Module Type：LR5-72HPH***M | 540M | 545M | 550M | 555M | 560M |
| Maximum Power (Pmax/W) | 540 | 545 | 550 | 555 | 560 |
| Open Circuit Voltage (Voc/V) | 49.5 | 49.65 | 49.8 | 49.95 | 50.1 |
| Short Circuit Current (lsc/A) | 13.85 | 13.92 | 13.98 | 14.04 | 14.1 |
| Voltage at Maximum Power (Vmp/V) | 41.65 | 41.8 | 41.95 | 42.1 | 42.25 |
| Current at Maximum Power (Imp/A) | 12.97 | 13.04 | 13.12 | 13.19 | 13.26 |
| Module Efficiency(%) | 20.9 | 21.1 | 21.3 | 21.5 | 21.7 |
| Operating Parameters | |||||
| Operational Temperature | -40°C ~ +85°C | ||||
| Power Output Tolerance | 0~3% | ||||
| Voe and lsc Tolerance | ±3% | ||||
| Maximum System Voltage | DC1500V (IEC/UL) | ||||
| Maximum Series Fuse Rating | 25A | ||||
| Nominal Operating Cell Temperature | 45±2°C | ||||
| Protection Class | Class II | ||||
| Fire Rating | UL type 1 or2 IEC Class C | ||||
| Mechanical Loading | |||||
| Front Side Maximum Static Loading | 5400Pa | ||||
| Rear Side Maximum Static Loading | 2400Pa | ||||
| Hailstone Test | 25mm Hailstone at the speed of 23m/s | ||||
| Temperature Ratings (STC) | |||||
| Temperature Coefficient of lsc | +0.050%/°C | ||||
| Temperature Coefficient of Voe | -0.265%/°C | ||||
| Temperature Coefficient of Pmax | -0.340%/°C | ||||
What are LONGi's module products and what applications are they suited for?
LONGi has three series of solar module products: Hi-MO 5(m), Hi-MO X6, Hi-MO 7 and these PV panel series contains bifacial and monofacial module. Monofacial module is mainly used on industrial, commercial and residential roofs. Both bifacial and monofaical of Hi-MO 5/X6/7 with 72-cell is mainly for large ground-mount power plants.
What are the advantages of Hi-MO 5 in ground-mount power plants?
Due to high power rating and efficiency, Hi-MO 5 can be more cost-effective in terms of BOS. Hi-MO 5 can increase the power of a single string and thus increase the plant’s DC:AC ratio when using string inverters, which can reduce the cost of electrical equipment and thus reduce the LCOE. In addition, Hi-MO 5 can reduce the cost of module logistics due to its higher utilization of container space.
Why does LONGi choose 182 mm wafer size in the design of Hi-MO 5 ?
LONGi analyzed various boundary conditions involved in module manufacturing and system applications, from production feasibility, module reliability, application compatibility to transportation and manual installation, and finally determined that 182 mm silicon wafers and modules were the best configuration for large-format modules. We believe that the size of a 182 mm module does not have major mechanical load and reliability consequences, Further size increasing of module will not bring value in manufacturing cost or system cost reduction, but increase reliability risks.During transportation, the 182 mm module can maximize the use of shipping containers and reduce transportation costs. We believe that the size of a 182 mm module does not have major mechanical load and reliability consequences, and any increase in module size may bring reliability risks.
What is the difference between Hi MO5, Hi MO X6 and Hi MO7？
LONGi's Hi-MO5 is based on p-type M10 PERC cells, the Hi-MO6 family uses back contact cell technology, though allegedly p-type, unless the other commercial IBC manufacturers. The new Hi-MO7 panels are incorporating n-type TOPCon cell technology.
What type of module is better for my application, monofacial or bifacial?
Bifacial modules are slightly more expensive than monofacial modules, but can generate more power under the right conditions. When the rear side of the module is not blocked, the light received by the rear side of the bifacial module can significantly improve energy yield. In addition, the glass-glass encapsulation structure of the bifacial module has better resistance to environmental erosion by water vapor, salt-air fog, etc. Monofacial modules are more suitable for installations in mountainous regions and distributed generation rooftop applications.
What are other advantages of LONGi bifacial modules?
LONGi took the lead in working with domestic and foreign institutions and customers to carry out empirical testing of bifacial modules for PV power plants, systematically studying the power generation mechanisms of bifacial modules. LONGi also leads the industry in bifacial module shipments, surpassing 20 GW+ , while providing customers with reference data and technical support.
How does LONGi ensure module product quality?
LONGi launched Life-cycle Standards to guarantee the whole life-cycel quality.LONGi's Integrated capacity layout can guarantee the traceability of each module, and our highly automated production lines feature end-to-end inspection and analysis processes to ensure that each module meets the highest quality standards. We select module materials according to the highest standards, with the requirement that all new materials be subject to extended qualification and reliability tests before being incorporated into our products. Third-party labs like RETC and PVEL have ranked our modules among the highest quality products on the market.
