Rhino Stone Tech Initiates Field Testing for EH3 Intelligent PV Cleaning System
Qingdao, China – Qingdao Rhino Stone Intelligent Technology Co., Ltd. (Rhino Stone Tech) announced today the commencement of field trials for its EH3 Single-Brush Roller, an intelligent cleaning device designed for photovoltaic (PV) power plants. The tests focus on evaluating the equipment's surface cleaning performance on solar panels under real-world operating conditions.
Rising Demand for Smart Cleaning Solutions
With continuous global expansion of solar energy capacity, efficient O&M measures—particularly PV panel cleaning—have become critical to ensuring power generation efficiency and ROI. Contaminants such as dust, sand, and biological deposits can reduce PV module light transmittance by up to 30%, highlighting the market's urgent need for safe, automated cleaning technologies that effectively minimize downtime and labor costs.
EH3: Precision-Engineered for PV Maintenance
The EH3 Single-Brush Roller integrates adaptive brush pressure control technology with a compact and flexible design to remove contaminants without panel damage. Core technical features include:
- Intelligent motion system: Adapts to panel tilt angles of 15°–90°
- Self-adjusting brush pressure (50–200N/m²): Prevents micro-scratches
- Modular design: Enables rapid deployment across large-scale PV arrays
Multidimensional Field Evaluation
Ongoing tests at multiple PV power plants prioritize the following aspects:
| Test Parameter |
Evaluation Metric |
| Climate adaptability |
Performance in arid/dusty vs. humid environments |
| Operational efficiency |
Cleaning speed (㎡/min) & water consumption |
| Safety compliance |
Post-cleaning panel surface integrity |
"Preliminary data shows the EH3 can restore over 98% light transmittance in a single cleaning cycle," stated Rhino Stone Tech's Chief Engineer. "Its low-power operation (<300W) and compatibility with robotic cleaning fleets are particularly promising.
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