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Hybrid Street Light

Hybrid Street Light achieves three core breakthroughs - 24-hour uninterrupted power supply, high-reliability operation in extreme environments, and zero electric shock safety protection - through the deep integration of wind turbine generators, solar photovoltaic panels, and intelligent energy management systems.

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Description

Product Introduction

● The core competitiveness of Hybrid Street Light stems from the natural complementarity of two clean energy sources - wind and solar. They form a perfect synergy in terms of temporal distribution, environmental adaptability, and energy density, breaking through the limitations of single-energy power supply.

● Hybrid Street Light dynamically allocates the power generation priority of wind and solar energy through an intelligent energy scheduling system, achieving three breakthroughs: full-time power supply redundancy, continuous lighting during rainy days, and extended service life of energy storage systems.

● By adopting a three-level protection system of electrical isolation, leakage protection, and intelligent monitoring, Hybrid Street Light reduces the risk of electric shock to less than one in a million, far exceeding the requirements of the national standard GB 7000.5-2005.

Independent Advantages of Wind and Solar Power Supply

The core competitiveness of hybrid wind-solar street lights stems from the natural complementarity of two clean energy sources-wind and solar. They form a perfect synergy in terms of temporal distribution, environmental adaptability, and energy density, breaking through the limitations of single-energy power supply.

Core Advantages of Solar Power Supply

Resource Universality

Areas with an annual average sunshine duration of over 2,200 hours account for 85% of China's territory. Solar resources are widely distributed, especially suitable for sunny and low-wind southern plains, plateaus, and desert regions.

Technical Maturity

Monocrystalline silicon photovoltaic panels achieve a conversion efficiency of 22%–24%. Combined with MPPT (Maximum Power Point Tracking) controllers, they can real-time track light intensity and improve power generation efficiency by 15%–20%.

Low Operation and Maintenance Costs

Photovoltaic panels have no mechanical moving parts, with a failure rate <0.5% per year. Maintenance only requires regular surface dust cleaning, and their service life exceeds 25 years.

Core Advantages of Wind Power Supply

● Continuous Nighttime Power Generation

Wind resources remain stable during low-light periods after sunset (18:00–6:00), especially suitable for windy coastal areas, plateaus, and canyons, making up for the nighttime "interruption" of solar power.

● High Energy Density

Small vertical-axis wind turbines (rated power 300W–500W) can start generating power at a wind speed of 5m/s, with power generation per unit area 3–5 times that of photovoltaic panels.

● Extreme Environment Adaptability

Wind turbine generators can operate stably in harsh environments with temperatures ranging from -40°C to +60°C and a salt spray corrosion rating of C5, with typhoon resistance up to Level 17.

Wind + Solar Hybrid Power Supply: 1+1＞2 Efficiency Leap

Dynamic Power Generation Priority Allocation:

Daytime: Photovoltaic panels supply power first, with excess electricity stored in lithium battery packs.
Nighttime/Rainy Days: Wind turbine generators activate to jointly supply power with the energy storage system.
Extreme Weather: The energy storage system automatically switches to "low-power mode" to ensure basic lighting needs.

Optimized Energy Storage System Design:

Uses lithium iron phosphate (LiFePO₄) batteries with an energy density of 160Wh/kg, a cycle life of >6,000 times, and supports operation in a wide temperature range of -20°C to +55°C.

Equipped with a BMS (Battery Management System) to monitor SOC (state of charge) in real time, preventing overcharging/over-discharging.

Electric Shock Prevention Safety Design

Physical Layer Protection: Full Insulation Design + IP68 Protection Rating

Lamp Pole and Circuit Insulation

The inner wall of the lamp pole is coated with a nano-ceramic insulation layer (thickness ≥0.5mm), and the cables use silicone rubber insulation sleeves (voltage resistance 10kV) to achieve complete electrical isolation between the lamp pole and the ground wire.

Waterproof and Dustproof Connectors

The connectors for photovoltaic panels, wind turbines, and controllers adopt IP68 waterproof terminals, which can withstand immersion in 1-meter water depth for 72 hours without leakage and pass the salt spray test for 1,000 hours without corrosion.

Electrical Layer Protection: Three-Level Leakage Protection + Equipotential Grounding

Residual Current Device (RCD)

RCDs are deployed at three levels: the output end of the energy storage system, the power supply end of the lamp head, and the input end of the controller. The action current is ≤30mA, and the action time is <0.1 seconds, far exceeding the national standard requirements (≤50mA, ≤0.2 seconds).

Equipotential Grounding System

The lamp pole, battery box, and photovoltaic support are connected to the public grounding grid through 40×4mm galvanized flat steel, with a grounding resistance <4Ω, ensuring rapid current discharge during lightning strikes or short circuits.