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  • Author Author: phoenixcomm
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NexGen Sim: Circuit Breakers??

phoenixcomm

I'm sorry for this post at this time there is no rime or reason for it but I just got a Cessna 402 fuse panel, cheap or about 50 cents a breakerimageimage. So I'm going to regress just a little.image

First, all good simulators need fuse panels. Having said that, they may be there maybe not, mostly for dress or doing the work. But a simulator is also for training pilots right? So how in the world do you simulate a failure? And what is the pilot's response? Think about it (none or by some keyboard input).

Solutions:

  1. Buy Klixon BIG BUCKS!imageimage
  2. Buy a custom simulated breaker from XYZ. AINT CHEAP!
  3. DO IT YOUR SELF, me I'm really cheap I like this idea so how do we do this??

Now my breakers are real 5, 7.5, 10, 15, 20 AMPS that's a bunch of current.  So one way to do this was to use an SCR mounted down to a chunk of Aluminum.image So here are my solutions:

The circuit on the right should work if I'm right.
HOW THIS WORKS:

  • When the Circuit Breaker is on or in, the power goes to the equipment and then nothing will go to ground as the SCR is OFF.
  • When the Circuit Breaker is off or out, there is no power anyway.
  • When you want to Blow the Circuit Breaker, you would apply a small voltage to the trigger line and you will turn on the SCR, and the equipment line will go to ground and Blow The Circuit Breaker.
  • Remember that you must maintain the trigger voltage or the SCR will reset.
  1. HACKThe circuit breaker must be opened and well fixed (now it will blow just with a few volts.. (to be tested).

 

Stay Tuned More to Come,

~~ Cris

 

 

Revision History

  1. (18FEB2018) Corrected Spelling and Grammar, Fixed the lists.

  • Interesting.... Those breakers look fairly large (backside).  You might be able to hack them a bit (or a bunch) and replace the insides with a solenoid (to drive the breaker plunger) and a pushbutton switch (to relax the plunger as in a reset).  This might be sufficient for the simulation.  The program could read a sense line to determine if the breaker is blown or not.  A command line could blow the breaker.  You might need a tiny micro or other logic to make it all work.  Either way in sounds like you are having a lot of fun figuring out all the ins and outs of the simulation.  Plus it seems that you are doing some pretty cool shopping.

    Have fun!

    Gene