Alpha-Trough-8000 Specifications

Alpha-Trough®

AT 8000

Structure

Open lightweight modular steel construction mounted with aluminum (Alpha) mirrors

2 pylons

2 curved end-structures

7 longitude space bars

4 receiver tube holders

2 bearings

21 Alpha-Mirrors

Control

An electrical engine and equivalent gearbox comes with the solar trough

Accepts signals from standard sun tracking system

Receiver type

Flexible - as receiver tube holders are adjustable

Receiver tube that accepts +500°C

Absorber tube diameter

Variable

55 - 100 mm (preferable 70mm)

Assembly

On the spot assembly and installation by 2 workers and a forklift in 2,5 days

No cranes or special equipment required

Effective reflective area

103,7 m²

(Actual 105 m²)

Aperture (length x width)

12 x 8 m

96 m²

Drive pylons

None

Each Alpha-Trough is controlled individually by an electrical engine and gearbox

Solar Collector Assembly Length

Flexible

Receiver tube sits in turning point accepting troughs to turn individually. Troughs are synchronized in loops by an electrical axis

Alpha-Mirror

Specifications.

Structure

Self containing curved and folded aluminum plate with supporting bars on back

 

Reflective surface

Reflective film

1,25 m width x 3,95 m length

Solar Reflectance

94%

 

Accuracy

99,6%

Measured at 3M lab in Minneapolis, Minnesota

Weight

5 kg / m²

 

Size (curved width x length)

1,26 x 3,96 m

4,99 m²

Performance

 

Specifications.

Optical efficiency

> 85%

Reflectance 94%)

Thermal efficiency

> 77%

Industrial experience

Solar-to-thermal efficiency

> 66%

 

Maximum wind speed

35 m/s

Category 1

Maximum wind speed

42 m/s

Category 2

Indicative concentrator factor

115x

At mrad 1,6 (indicative)

Alpha-E     -    Erritsø Møllebanke 10    -    DK 7000 Fredericia     -     Tlf. +45 31 46 04 78     -