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I think the +100 volts statement relates to no battery load. I guess if the electrical system was designed so that a contactor could disconnect the battery from the load circuits and the load circuits (avionics) still be connected to the alternator you would have a situation where you could wave your avionics goodbye.
Let's say on top of that that one (or all) of the three retifiers shorted out too, you'd have 100 volts A/C into your avionics. Not a pretty picture. (I've seen Zener diodes short out regularily due to overload/voltage; rectifier diodes usually fail open - but not always).
Finn
Jim Sower wrote:
<... the alternator is capable of producing over 100 volts ...>
I don't think so ...
...
Bottom line, with the regulator failed (or bypassed) to send full B+ voltage to the field, the charging voltage never exceed 18V in my experience.
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