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Matt Dralle Email List Administrator
Submitted By: marknlisa@hometel.com Email List: AeroElectric-List Name: Mark & Lisa Sletten
Date: Nov 8 2005
Subject: System Schematic Description: OK Gang,
Here's the deal. The link is to a DWG file of my main power distribution system schematic. I started with Z-11 and added a subsystem that Bob developed for me to allow two batteries to run in parallel during normal ops and in series for start (this allows the use of a 24V starter in a 12V system). My plan for this system is to use 1 Alternator with 2 Batteries for system redundancy (instead of 2 Alternators and 1 Battery since I have to use 2 Batteries anyway).
My understanding of procedures in the event of Alternator failure (with Z-11) is to switch off the DC master and switch on the E-bus alternate feed. If I follow this procedure with the system depicted in the attached schematic I'll only get power from the main battery during E-bus alternate feed operation (with the DC master off, the second battery is disconnected from the system).
Assuming I choose to retain this system architecture, how do I change this schematic to allow both batteries to power the E-bus during alternate feed ops?
Alternatively, since I plan to replace batteries every two years and to land immediately in the event of an alternater failure, should I just scrap the E-bus architecture altogether and load shed manually?
Thanks in advance!
Mark & Lisa Sletten
Legacy FG N828LM
http://www.legacyfgbuilder.com
File: Main_Power_Dist.dwg Main_Power_Dist.dwg Autocad Drawing
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