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Home arrow News arrow Aerospace arrow BHEL's Space Grade Solar Panels on GSAT-8 Satellite of ISRO deployed
BHEL's Space Grade Solar Panels on GSAT-8 Satellite of ISRO deployed Print E-mail
Written by Arjun   
Tuesday, 14 June 2011
Bangalore: The four Solar Panels supplied by Bharat Heavy Electricals Limited (BHEL) for the GSAT-8 Satellite of the Indian Space Research Organisation (ISRO) have been successfully deployed.

The space grade solar panels, using high efficiency Solar Cells, were manufactured to strict space quality standards in clean room facilities at it's Electronics Systems Division in Bangalore, established in collaboration with ISRO. The cell welding, bonding and wiring work was carried out by highly skilled manpower.

The panels were further subjected to detailed testing by ISRO such as vibration test and thermovac test as part of the space quality requirements to validate the mechanical, electrical and thermal performance.

The four Solar Panels supplied by BHEL for GSAT-8, have an area of over 5 sq. mtrs. each, totaling to around 21 sq. mtrs. and comprise multi-junction Solar Cells in series and parallel combinations, with a total power capacity of 4.5 kW.

BHEL has had a long association with ISRO and has earlier supplied several Space Grade Solar Panels and Space Quality Batteries to ISRO for use in their satellites. These panels are used to charge the batteries and provide electricity for various systems in the satellites. So far, BHEL has supplied 51 Space Grade Solar Panels totaling to 221 sq. mtrs. in area for various satellites of ISRO.

While the Space Quality Batteries fabricated by BHEL for ISRO have been working satisfactorily in their CARTOSAT satellite, BHEL-supplied Space Grade Solar Panels are providing satisfactory service on INSAT 3A, INSAT 3E, GSAT 2, GSAT 3, GSAT 4, IRSP 5 and EDUSAT satellites, now in orbit.

BHEL’s surface engineering expertise has also been used by ISRO, by way of application of non-corrosive coating on the secondary injection thrust vector control (SITVC) tanks of their Polar Satellite Launch Vehicle (PSLV) and Geosynchronous Satellite Launch Vehicle (GSLV) missions.

The GSAT-8 Satellite is ISRO’s heaviest satellite, weighing in at about 3100 Kg at lift-off. India's advanced communication satellite, GSAT-8 is a high power communication satellite being inducted in the INSAT system.

 
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