Electric Go-Kart: First Test-Drive
The maiden voyage of our electric go-kart. Our field controller (the only piece of off-the-shelf electronics on the kart) broke, so it is limited to low gear with no capacitor brake/boost. Next time...
Comments (2)
You need to log in, in order to post comments. If you don’t have an account yet, sign up now!
- Created
- August 24, 2008 10:56
- Category
- Tags
- License
- All Rights Reserved (What is this?)
- Formats
- H.264 Video (mp4)
- Additional Files
- Viewed
- 17426 times
More from scolton
B.W.D. Scooter Test Drive #2
Added almost 4 years ago | 00:02:29 | 26424 views
D.I.Y. Segway progress
Added almost 6 years ago | 00:01:21 | 17502 views
RC Car Tire Spin, 600FPS
Added over 3 years ago | 00:00:10 | 17463 views
Segways aren't all that complicated.
Added almost 6 years ago | 00:02:09 | 11582 views
Pirate Radio Control: Custom RC for...
Added 3 years ago | 00:01:49 | 10663 views
FIRST Robot - Week 3
Added over 5 years ago | 00:00:46 | 12384 views
How many FET’s are on board? 300A at 16V is a fine effort!
Posted over 4 years by Anonymous
Amazingly, four TO-220 MOSFETs, at about $4 a piece, is all it takes to switch 300A at up to 48V. You need at least two sets to do a half bridge, a good heat sink, and a fast gate drive circuit, but it’s totally feasible for about $100. For reference, the FETs are IRFB3207.
300A is a peak value and only lasts for a few seconds, but the FETs stay cool even with no fan. We had a few catastrophic FET failures from switching problems, but no slow thermal load failure. So I think it can probably handle at least 200A continuous, maybe even the full 300A with a fan. I was impressed, given the cost of similarly-sized commercial controllers.
Posted over 4 years by scolton