Science Power Platform

The Science Power Platform (SPP) (Russian: Научно-Энергетическая Платформа, Sci-Energy Platform) was a planned Russian element of the International Space Station (ISS) that was intended to be delivered to the ISS by a Russian Proton rocket or Zenit rocket (it was originally designed to be part of Mir-2) but was shifted to launch by Space Shuttle as part as a tradeoff agreement on other parts of the ISS.

ISS Science Power Platform (NASA)

History

It would have provided additional power for the ISS as well as roll axis control capability for the orbital facility. If the Science Power Platform had been delivered to the ISS, it would have been attached to the zenith port of Zvezda, a position currently occupied by MRM-2. The SPP would have had eight solar arrays and a robotic arm provided by the European Space Agency (ESA) dedicated to maintaining the SPP.

The SPP's robotic arm (European Robotic Arm) is still planned to be part of the station, and to be launched together with the Russian Multipurpose Laboratory Module. As of November 2016 the tentative launch date has slipped to mid-2018.[1]

An agreement was reached in March 2006 by the Russians and NASA in order to provide part of the power the Russian segments need from the four American solar arrays. Originally the SPP should have made the power supply of the four Russian modules independent from the power supply of the rest of the station. The already-made pressurised hull of a static test article for this component is now being used for the Russian Mini Research Module 1, which launched on STS-132 in 2010. MRM1 is docked to the Zarya nadir port.

RKK Energia, the manufacturer of the ROS components, has proposed to execute something similar to the original ISS plan with the addition of a Nodal Module (with six docking ports) and two additional science/energy modules to the segment around 2013-2015.[2][3] The science/power modules would have solar arrays similar to the SPP, but unlike it the truss structure would be much smaller.

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References
  1. Karasev, Sergey (7 November 2016). "Запуск лабораторного модуля «Наука» к МКС откладывается" [Launch of the Nauka laboratory module to the ISS postponed] (in Russian). Retrieved 13 January 2017.
  2. "Russia Needs Billions More To Complete Its ISS Segment". Space-Travel.com. 14 April 2008. Retrieved 2009-01-29.
  3. Sergei Shamsutdinov (July 2008). "Program for Development of the Russian ISS Segment" (in Russian). Novosti Kosmonavtiki. Archived from the original on 6 June 2011. Retrieved 2009-02-15.
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