Project background: The rigid demand and pain points of lighting on Brazil's main roads
1. Customer needs
Application Scenario: A state-level main road in southeastern Brazil (two-way four lanes, with an average daily traffic volume of over 8,000 vehicles) Core Requirements: The height of the lamp post is 10 meters, the lighting coverage width is ≥30 meters, and the average road illumination is ≥30 lux (compliant with the Brazilian NBR 5783 road lighting standard). The battery life should be ≥7 days during continuous rainy days. Additional Requirements: Wind resistance level ≥12 (suitable for the windy climate along the Brazilian coast), support for remote monitoring of brightness, and INMETRO certification (mandatory product certification in Brazil). Electricity prices in Brazil have been rising all year round, and solar street lights can help customers save over 90% of their annual electricity bills, aligning with the local "carbon neutrality" policy (PROINFA renewable energy plan). Some areas have a concentrated rainy season (November to March), so it is necessary to enhance the waterproofing and battery life of the lights to avoid lighting interruptions during rainy weather.
II. Customized Solutions: Exclusive Configuration for 10-meter Main Roads
In response to the market demands and climatic characteristics of Brazil, we offer a full-chain customized service with the following core configurations:
Component Specific parameters
Lamp pole: 10-meter conical hot-dip galvanized steel pipe (diameter 140-220mm) with hot-dip galvanizing and powder coating for dual corrosion protection, wind resistance rating of 12, suitable for coastal windy environments
LED light source: 150W high-efficiency chip (color temperature 5000K), luminous efficacy 130lm/W, color rendering index ≥80, covering a 30-meter road surface without dark areas
Solar panel 300W monocrystalline silicon photovoltaic panel Conversion efficiency 23%, UV-resistant coating, suitable for strong sunlight in South America
Lithium battery 100Ah lithium iron phosphate battery (IP68 waterproof) Cycle life ≥3000 times, supports wide temperature operation from -20℃ to 60℃, endurance of 7 days on rainy days+
Controller: Smart MPPT Controller (Remote Monitoring Version) - Max Power Point Tracking, Supports Brightness Adjustment and Viewing of Operation Data via Mobile APP
Certification: INMETRO certification + CE certification. Complies with Brazil's mandatory import standards, ensuring hassle-free customs clearance
"The lighting effect of this set of 10-meter solar street lights far exceeds expectations. The visibility for nighttime driving on the main road is clear, and there is no need to pay high electricity bills. It saves the city a lot of expenses every year. What is most satisfying is that even after continuous cloudy days in the rainy season, the street lights still work normally, and the remote monitoring function also makes it convenient for us to manage." - Carlos, a municipal engineering leader in Brazil
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