low earth orbit missions solar arrays

LOW EARTH ORBIT MISSIONS SOLAR ARRAYS
From 140 W EOL till 3000 W EOL Heritage
µSAT
Micro solar array in the range of 140W to 160W
Applications
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Technical description
Micro Satellite L.E.O/G.T.O
Missions
Mechanical architecture:
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Main features
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POWER PERFORMANCE
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:
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140~160W EOL
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DESIGN
:
1 Wing of 2 Panels of 0.38sqm each
GaAs Network
Key Benefits
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Low cost reliable concept
Electrical architecture:
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Production
Typical schedule:
First model T0+12 months
One FM delivery each month
34 Volts bus voltage
Cell type: multijunction GaAs (170µm)
Cover glass: 127µm
Background
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3 hold-down and release points per wing with low shock
pyrotechnic components
Simplified deployment mechanisms: no speed regulation and no
active deployment synchronisation
Lightweight panel substrates: sandwich structure with perforated
aluminium honeycomb core and high modulus carbon fibre face
sheets (0.38 m²)
15 FM ordered, 6 in orbit solar arrays ,
Among key programs :
PICARD
DEMETER
ESSAIM
PARASOL
LOW EARTH ORBIT MISSIONS SOLAR ARRAYS
From 140 W EOL till 3000 W EOL Heritage
PROTEUS solar arrays for LEO/MEO mini satellite. 1-3kW power range
Technical description
Applications
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Mini Satellite L.E.O/ M.E.O
Missions
Main features
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POWER PERFORMANCe
:
From 1000W up to 3000W EOL, 5
years
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DESIGN
:
2 Wings of 4 Panels of 1.2sqm each
Si or GaAs solar network, 37 V
Key Benefits
i
Low cost reliable concept
Production
Typical schedule:
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First model T0+12 months
One FM delivery each 6 month
Mechanical architecture:
i 4 peripheral hold-down and release points per wing
i Simplified deployment mechanisms: no speed regulation
i Lightweight panel substrates: sandwich structure with
perforated aluminium honeycomb core and high modulus
carbon fibre face sheets (1.2 m²)
Baseline Electrical architecture :
i 37 V bus voltage
i Diodes for shadow protection
i Cell type : standard Si cells (200 µm)
i Cover glass : 100 µm
Electrical architecture (option) :
i Cell type : Si Hieta cells (100 µm)
i Cell type : GaAs 3J cells (140 µm ; 26 %)
Background
2 in orbit solar arrays 
Among key programs :
JASON
GSTBV2B
CALYPSO
4 PROTEUS
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LOW EARTH ORBIT MISSIONS SOLAR ARRAYS
From 140 W EOL till 3000 W EOL Heritage
Pleiades
Agile mission solar array in the range of 1.5kW
Applications
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Agile satellite
Main features
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POWER PERFORMANCE :
1500W EOL
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DESIGN
:
3 Deployable Panels of 2.3sqm
each
GaAs 28% BOL Network
Key Benefits
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Capability to fit very stringent
stiffness requirement for agile
missions (high stiffness in
deployed configuration)
Production
Typical schedule :
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First model T0+12 months
One FM delivery each month
Technical description
Use of thick 30mm substrate with last generation CFRP
Capability to design & flight quickly small arrays with recurring
parts (mechanisms, stowing points, local substrate design)
Available LEO compatible set of GaAs network and substrate
Capability to extrapolate to 1000W ~ 2000W range with existing
parts
Background
Under manufacturing
LOW EARTH ORBIT MISSIONS SOLAR ARRAYS
From 140 W EOL till 3 600 W EOL Heritage
Cosmo SkyMed
LEO mission solar array in the range of 3.6kW
Applications
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LEO Radar Satellite
Main features
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POWER PERFORMANCE
:
3600W EOL
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DESIGN
:
2 Wing of 4 Panels of 2.3sqm each
GaAs 3J Network
Key Benefits
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Complex deployment
development capabilities
Short development capability
demonstration (CDR @ T0+12
Months)
Mid power range for LEO
environment
Production
Typical schedule :
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First model T0+12 months
One FM delivery each 2
months
Technical description
GaAs network for LEO
Sandwich with CFRP skins yoke design drivers
Low shock release devices
Non linear deployment synchronization device
Standalone motor drive electronic box
Background
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3 FM Manufactured – Qualified Design
LOW EARTH ORBIT MISSIONS SOLAR ARRAYS
From 140 W EOL till 3600 W EOL Heritage
Spot/Helios
LEO 3D Complex deployment solar array in the range of
2.2kW to 3kW
Applications
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Technical description
LEO Earth Obesrvation Satellite
Main features
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POWER PERFORMANCE
:
GaAs or Si network for LEO
Panel Sandwich with CFRP skins
Frictionless hinges
Background
3600W EOL
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DESIGN
:
U Shape Wing of 5 Panels of
4.96sqm each
Si or GaAs network
Key Benefits
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3D deployment kinematics and
frictionless hinges with
associated software
Si and GaAs LEO qualifications
Production
Typical schedule :
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First model T0+TBD months
One FM delivery each TBD
months
4 FM in orbit
SPOT 4
SPOT 5
HELIOS 1A
HELIOS 1B
i 2 FM on ground
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TELECOM GEO « SOLARBUS »
From 5 000 W EOL till 23 000 W EOL Heritage
Mid Power Range Family SLB Si Hi-K
GEO Modular design from 3 to 6 panels per wing
SOLARBUS
W31
Applications
 GEO
Telecommunication
Satellite
(2 available
panel sizes)
SOLARBUS
W41
(2 available
panel sizes)
Main features
 POWER PERFORMANCE
SOLARBUS
W51
:
From 6kW up to 12kW EOL 15
years
 DESIGN
SOLARBUS
W61
:
Modular wing with 3 to 6 panels and
double yoke capability
2 available panel sizes
Si Hi-eta network 50 or 100V bus
Technical description
Si network for GEO
Ultra Light Panel Sandwich with CFRP skins 6.4m² or 8.11m²
each
Frictionless hinges for lateral deployment
Key Benefits
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Classical 2D or 3D deployment
with sequenced kinematics and
frictionless lateral hinges
High modularity and recurrence
level
Wide qualification ranges
Production
Typical schedule :
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First PFM model T0+16 months
One FM delivery each 6
months
Background


10 FM in orbit
6 FM on ground
TELECOM GEO « SOLARBUS »
From 5 000 W EOL till 23 000 W EOL Heritage
High Power Range Family LPS
GEO Modular design from 4 to 10 panels per wing
SOLARBUS
W41 LPS
Applications
 GEO
Telecommunication
Satellite
SOLARBUS
W51 LPS
Main features
 POWER PERFORMANCE
SOLARBUS
W71 LPS
:
From 12kW up to 23kW EOL 15
years
 DESIGN
:
Modular wing with 4 to 10 panels
and double yoke capability
LPS (Light Panel Substrate) with
thin stacked ultralight panels
patented architecture
Si Hi-eta 75µm network 100V bus
GaAs 3J network 100V bus
Technical description
Si or GaAs network for GEO
Ultra Light Panel Substrate (LPS) 10 and 20mm thickness with
CFRP skins 8.11m² each
Frictionless hinges for lateral deployment
Background
Key Benefits
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Qualified parts
W71 and W101 Design qualified through QM/STM tests
W71 FM under manufacturing
Classical 2D or 3D deployment
with sequenced kinematics and
frictionless lateral hinges
High modularity and recurrence
level
Compact wing panel stack
architecture
Wide qualification ranges
Production
Typical schedule :
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First PFM model T0+16 months
One FM delivery each 6
months
This datasheets are not contractual and can be changed without any notice.
For further information, please contact
Thales Alenia Space France
Equipment Sales Department
26 avenue J.F. Champollion
B.P. 33787
31037 Toulouse Cedex 1
France
Tél.: + 33(0)5 34 35 36 37
Fax: + 33(0)5 61 44 49 90
Website : www.thalesaleniaspace.com
Updated December 2006