Solar Collector
CPC Solar Collector
Compound parabolic concentrator for medium-temperature applications.
- Compound Parabolic ConcentratorCollects both direct and diffuse radiation
- No tracking requiredFixed installation, low maintenance
- High-temperature outputIdeal for industrial process heat
- Stainless-steel absorberDurable and corrosion-resistant
| Type | CPC |
|---|---|
| Application | Medium temp |
| Coating | Selective |
| Feature | Concentrating |
Product Introduction
The CPC (Compound Parabolic Concentrator) solar collector uses stationary parabolic reflectors to concentrate sunlight onto an evacuated tube absorber. It achieves higher operating temperatures than standard flat-plate or vacuum-tube collectors without requiring sun tracking.
Because CPC collectors accept both direct beam and diffuse radiation, they perform well in partly cloudy climates where pure concentrating systems would fail.
This collector is widely used in industrial process heat, solar cooling, and district heating networks that need delivery temperatures above 80°C.
Main Features
- Fixed reflectors with acceptance angle up to 60°
- Evacuated tube absorber with selective coating
- Stainless-steel or copper absorber options
- Aluminum-mirror or anodized aluminum reflector surface
- Modular arrays from 2 to 50 m²
- Operating temperatures up to 120°C
Specifications
| Model | Aperture Width | Tube Rows | Gross Area | Concentration Ratio | Max Temp |
|---|---|---|---|---|---|
| EP-CPC2 | 1.0 m | 2 | 2.2 m² | 1.5× | 120°C |
| EP-CPC4 | 1.0 m | 4 | 4.3 m² | 1.5× | 120°C |
| EP-CPC6 | 1.0 m | 6 | 6.5 m² | 1.5× | 120°C |
Item Details
Optical Design
- Parabolic profile
- Reflectors shaped to focus light onto absorber.
- Acceptance angle
- Wide-angle design captures morning and evening light.
- Diffuse gain
- CPC geometry also harvests scattered sky radiation.
Installation
- Tilt angle
- Typically 20-40° depending on latitude and application.
- Array spacing
- Row spacing ≥ 2× collector height to avoid shading.
- Tracking
- No tracking required; fixed seasonal adjustment optional.
Applications
- Process heat
- Pre-heating boiler feedwater and cleaning tanks.
- Solar cooling
- Drives absorption chillers via hot water loop.
- District heating
- Feeds medium-temperature district heating networks.
Core Application Scenarios
- 01Industrial process heat
- 02Solar cooling systems
- 03District heating substations
- 04Commercial laundry and kitchen
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