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General Description
Each module has two arrays, each 112 feet long by 30 feet wide. Each module generates approximately 23 kW. They rotate to face the Sun, which provides maximum power to ISS .
A Photovoltaic Array (solar array) for the US segment of the ISS is test deployed (Left) showing the mast at the bottom and one half of a 'wing' above the mast. A PV array consists of the canister holding the mast, the mast, and 2 wings of solar arrays. Lockheed Martin has successfully completed vigorous life cycle testing of the E-Wing which included 84 extension and retraction cycles of the 108 foot deployment mast and solar array blanket. Also, the individual solar panel circuits were flash tested with simulated sunlight to verify their output power. The deployed E-Wing blanket is 108 feet long and almost 20 feet wide. It actually represents only one-half of a full 38-foot by 108-foot wing assembly. The space station will contain eight flexible, deployable and retractable solar array wings. The first full solar array wing will be launched aboard a NASA space shuttle and delivered to the space station in 1999. Four shuttle flights will complete delivery of the eight solar arrays as station assembly continues. (Space Station This Week, April 21, 1997) |
Each Array has a radiator for cooling electronics delivering power to the ISS. |
Images from NASA, ESA, NASDA, CSA, RSA
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