Tech Q for CRJ guys & gals

[CptMurf]

Hi again Captain Murf. Not trying to be a smart***, but just in case anyone is following this discussion and trying to absorb systems knowledge from it (and as Lear70 says, "which you shouldn't"), I just want to set the record straight on one thing to avoid confusion: what you have described above is a TRU (great link by the way), but what I was suggesting you look up was about inverters, and how they cannot be made from just a resistor network, not TRUs. Conversion from AC to DC is much simpler than conversion from DC to AC. A TRU has never required moving parts, just a transformer and one or more one-way conductors, known as diodes or rectifiers (basically the same thing). Your link describes this nicely.
:laugh: Peace Cap'n.

I didn't realize we had changed the topic from tru's to inverters. In looking at past posts in this thread I realized that I confused the two. Everything that I have talked about up until this point was dealing with tru's. Sorry for the confusion. Here is a great link to how inverters work....

http://avstop.com/AC/apgeneral/INVERTERS.html

I still stand by my statement though, both (tru's and inverters) are powered by the current through them and are not powered seperately. They use power, but are not powered in the sense of a buss system. The power needed for their internal components is taken from the current passing through them. They may draw power even if there is no load on them, but not if there is no power passing through them (obviously).

Peace Nancy......thanks for passing my time while on reserve.

 

[Nancy Pryor]

Here is a great link to how inverters work....
http://avstop.com/AC/apgeneral/INVERTERS.html

Good article at this link, very informative.

I still stand by my statement though, both (tru's and inverters) are powered by the current through them and are not powered seperately. They use power, but are not powered in the sense of a buss system. The power needed for their internal components is taken from the current passing through them. They may draw power even if there is no load on them, but not if there is no power passing through them (obviously).

I agree with all of the above

Peace Nancy......thanks for passing my time while on reserve.

May your reserve be short and prosperous!