Guru
Joined: 02/02/2017
Location: AustraliaPosts: 1480
| Posted: 02:08am 22 May 2026 |
Best of British Luck to you all.
my advice:
1 - obtain a DSO, new ones are reasonably priced and will go a long way in
both learning how to avoid blown up FETs and choosing an adequate choke
for both mppt and inverters.
2 - a bench power supply or two, such that 50V at 5A is possible. Ones that have current limiting is needed.
choke design is very much "use what you got" but test it to ensure it will work at the power levels required.
3 - make a choke tester. it will use the DSO. and the bench supply.
You will discover during testing of the chokes how much power is possible
before saturation. In fact, making the tester and using it will develop a large
part of the skills needed for all this.
4 - get a decent DVM and leads. make some long leads with alligator clips to suit
the meter. this frees up hands to get somewhere safe. Consider also a UNI-T clamp meter that does DC current. We need to calibrate the mppt..
hope this helps.