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Price
Details of the photovoltaic arrays are described below: "" Two photovoltaic arrays" are powering the spacecraft. The station uses a 28 volt DC power supply which provids 5~, 10~, 20~ and 50amp plugs. When the station is in direct sunlight, several solar arrays charged the nickel-cadmium batteries installed onboard. The arrays are sun orientating on half of a full circle yawn, gouverned by sensors and electrical motors installed in the mounts. When all-sky sensor detects dark, the arrays searcxh an optimal angle for increasing the light input when passing out of the shadows. Each set of batteries with a capacity of 60Ah, are then used to power the devices on-board until the arrays fix to the sun.

The solar arrays themselves were mounted with the Kvant-1 module on the core module in 1987, to provide an additional area of 22square metres.

In 1996 the Space Shuttle Mission #74 carried out more improved AsGa couple of sets of arrays on a joint effort with the Soviet Space Administration NRGia. In this image there is a lattest photovoltaic structure of arrays from 1997 when Mir was finally grounded on Earth, both with arrays, batteries and assembled spetrographay onboard. Video footage is available on the internet "" Paul Special+Utilizator+$ (talk)