Train Box Ep.5 - Relay Upgrade

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Published on ● Video Link: https://www.youtube.com/watch?v=tbrmpvzzu50



Duration: 29:41
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Months and More Locos Later, the design suffers too much voltage drop.
I start the process of upgrading it for MORE POWER !
Actually filmed March 9th 2022

0:00 - More Power !
2:20 - "Current" Limitations
4:09 - Inductor Upgrade Plan
4:31 - Schematic Recap
5:55 - Diode Upgrade Plan
8:19 - Power Feed Upgrade Plan
9:07 - The Worst Bottleneck
11:35 - Phase Relay Upgrade Plan
12:05 - BEFORE Train Testing
15:48 - Voltage Drop Testing
17:40 - The New Output / Relay Module
18:00 - Relay Driver Schematic (WITH ERRORS)
19:28 - Corrected Schematic
19:37 - Required Rework
23:22 - Fitting the Relay Module
23:50 - The Relay Module Layout
25:53 - Fitting The Relay Module Take 2
26:23 - Testing
27:32 - Connecting the Better Power Line
28:22 - Postamble







Tags:
ho dc power supply
power supply design
switchmode motor controller
pwm motor controller
switchmode dc dc converter