RailPro > RailPro Specific Help & Discussion
MOTOR FULL LOAD CURRENT
Dean:
Would this explain why a DC only locomotives buzz when they are put on a DCC track?
Alan:
Yep. That and a DCC signal is AC so the poor DC loco is trying to reverse directions 7,000 times a second. That's why they get hot.
TwinStar:
--- Quote from: Alan on August 01, 2018, 10:17:17 AM ---
Voltage across C over time:
--- End quote ---
The last time I saw this there were sharks and tornadoes coming out of it. That's my level of electrical knowledge.
G8B4Life:
Thanks Alan, I was hoping you'd be able to provide an answer.
It makes more sense now. When I read the words "approximate triangular" I envisaged the typical straight sided sawtooth pattern that one sees all the time in images, perhaps "flattened" on top by the word approximate, not a log slope.
With the dual log slope waveform, how much harder is it to work out what the average voltage the motor sees is compared to a square waveform (which is easy)? Given the "1000 speed steps" we have the 2 to 20Hz duty cycle mentioned in the Patent doesn't sound like it'd give that.
- Tim
nodcc4me:
Kevin, Jacob, you are not alone. If Alan and Tim ever got together and started talking electronics there would be a lightning storm, the likes of which the world has never seen. :o
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version