Optimal Configuration and Illumination Simulation for 7-Meter Solar Street Lights Based on International Standards
Explore the ideal configuration for 7-meter solar street lights following international lighting standards like IESNA RP-8-18 and CIE 115, including LED wattage, panel sizing, battery capacity, spacing, and photometric simulation.
1. Introduction
With growing demand for sustainable lighting, 7-meter solar street lights are widely used in urban streets, residential zones, industrial areas, and parks. To ensure compliance with global standards, proper configuration and spacing are essential.
2. Reference Standards
This guide follows:
- IESNA RP-8-18 (North America)
- CIE 115:2010 (Europe/International)
For residential/collector roads:
| Lighting Class | Average Illuminance (lux) | Uniformity (Emin/Em) |
|---|---|---|
| Class S3 | 10–15 lux | > 0.25 |
3. Recommended Configuration for 7-Meter Pole
| Component | Specification |
|---|---|
| LED Lamp | 40–60W, 4000K, >160 lm/W, Type II or Type III optics |
| Solar Panel | 150–180W Mono-crystalline, 21% efficiency |
| Battery | LiFePO4 12.8V 40–50Ah, lifespan 5–8 years |
| Controller | MPPT, auto dusk-to-dawn with dimming |
| Pole Height | 7 meters, hot-dip galvanized, ≥ Wind Zone IV |
| Installation Angle | 15° tilt, single or staggered layout |
4. Illumination Simulation
Using 45W LED at 7m height, 28m spacing, single side installation on a 7m-wide road:
- Average Illuminance: 14–16 lux
- Uniformity: 0.30–0.40
- Energy Optimization: 30% dimming after midnight
5. Spacing Suggestions
| Road Width | Recommended Spacing | Layout |
|---|---|---|
| 6–7m | 25–30m | Single side or staggered |
6. Estimated Cost (USD per set)
| Component | Cost (USD) |
|---|---|
| LED Lamp (40–60W) | $25–$35 |
| Solar Panel (150–180W) | $45–$60 |
| Battery (40–50Ah LiFePO₄) | $60–$80 |
| MPPT Controller | $12–$18 |
| 7m Galvanized Pole | $70–$90 |
| Total | $212–$283 |
7. FAQ
Q1: Is this configuration compliant with European lighting norms?
Yes. It meets Class S3 per CIE 115 and typical RP-8-18 residential road requirements.
Q2: Can the system work during continuous rainy days?
With 3–5 days of battery autonomy, it ensures reliability even in cloudy conditions.
Q3: How often should the battery be replaced?
LiFePO₄ batteries typically last 5–8 years with minimal maintenance.
Q4: What if higher illumination is needed?
Upgrade to 60W LED and reduce pole spacing to 22–24 meters.
Q5: Can smart controls be added?
Yes. You can integrate Zigbee/LoraWAN-based IoT controllers with dimming, monitoring, and remote scheduling.
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FAQ
Battery and Analysis
What is over-discharge and what effect does it have on battery performance?
Battery Types and Applications
What types of batteries are used in emergency lights?
2. Adjustable valve lead-acid battery;
3. Other types of batteries can also be used if they meet the corresponding safety and performance standards of the IEC 60598 (2000) (emergency lighting part) standard (emergency lighting part).
Solar Street Light Luhao
How long does it take to install the Luhao solar street light?
Installation of the Luhao solar street light is quick and easy. It typically takes only a few hours to install the light, and no electrical wiring is required, making it a straightforward solution for both residential and commercial use.
How does the Luhao solar street light contribute to sustainability?
The Luhao solar street light reduces carbon emissions by utilizing solar power instead of electricity from non-renewable sources. It provides a clean, green alternative to traditional lighting, helping to lower environmental impact and promote sustainability in outdoor lighting.
Industry
Can Queneng’s solar street lighting system operate in harsh weather conditions?
Yes, Queneng’s solar street lighting systems are specially designed to function well in extreme weather. Our equipment is waterproof, corrosion-resistant, and windproof, making it suitable for a variety of climates.
Municipal and Public Infrastructure
How do solar streetlights perform in extreme weather conditions?
Solar streetlights are designed to withstand harsh environments, including high winds, heavy rain, snow, and extreme temperatures. Our products are IP65-rated for waterproofing and are built with corrosion-resistant materials.
If you would like more information about Queneng solar lighting solutions, please send us a message by filling out the form below. Our professional team will get back to you within 24 hours!
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