Lowside current measurement

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Gunnar Mein
Posts: 40
Joined: Sat May 29, 2021 12:24 pm
Real name: Gunnar Mein
Location: Kirland, WA

Lowside current measurement

Post by Gunnar Mein »

Many thanks to Joe who suggested that we look at measuring current at the input return of the CW. We did a couple of LTSpice runs and you have convinced us! And, in the process, a student learned to build stuff in LTSpice, something that will come in handy next year. We are still figuring out how to measure the negative voltage with the Arduino, leaning towards using an opamp.

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Last edited by Gunnar Mein on Tue Jun 01, 2021 11:18 am, edited 1 time in total.
Gunnar Mein
Posts: 40
Joined: Sat May 29, 2021 12:24 pm
Real name: Gunnar Mein
Location: Kirland, WA

Re: Lowside current measurement

Post by Gunnar Mein »

Here is out previous design for highside current measurement:

Image
Gunnar Mein
Posts: 40
Joined: Sat May 29, 2021 12:24 pm
Real name: Gunnar Mein
Location: Kirland, WA

Re: Lowside current measurement

Post by Gunnar Mein »

And how it was going to get powered:

Image
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