PPRuNe Forums - View Single Post - 787 Batteries and Chargers - Part 1
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Old 28th Jan 2013, 21:20
  #243 (permalink)  
Join Date: Feb 2002
Location: UK
Age: 54
Posts: 2,684
The diode module is not "the switch that puts the bat on the bus" as you say. The diode module is between the bat and the hot bat bus. The hot bat bus is only connected to a main DC Bus when there is no other supply and the bat switch is on. The bat is not discharging unless there is a power failure of the main DC busses.
Hope this helps.

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