The Marshall Space Flight Center (MSFC) began testing the HST Ni-H2 Six Battery Test and the 'Flight Spare Battery' Tests approximately one year before the launch of the HST. These tests are operated and reported on by the MSFC, but are managed and funded by Goddard Space Flight Center in direct support of the HST program. The HST Ni-H2 batteries are built from Eagle Picher RNH-90-3 cells. The HST EPS (electrical power system) is a direct energy transfer power system. The HST Ni-H2 Six Battery Test is a breadboard of the HST EPS. The batteries in the test are composed of test module cells and packaged into three battery modules identical to the flight modules. This test is the HST EPS testbed. The 'Flight Spare Battery' Test is a simulation of one of the six battery channels on the HST. The cells in the test are from the flight spare lot of cells, which are the same lot of cells that three of the six HST flight batteries are made from. This test is the battery life test for the HST program.
Hubble Space Telescope Nickel-Hydrogen Battery Testing: An Update
1995
16 pages
Report
No indication
English
Batteries & Components , Unmanned Spacecraft , Manned Spacecraft , Accelerated life tests , Breadboard models , Control simulation , Cyclic loads , Flight tests , Hubble space telescope , Nickel hydrogen batteries , Performance tests , Power supplies , Service life , Aerospace environments , Capacitance , Electric charge , Electric discharges , Electrical measurement , Energy transfer , Flight conditions
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