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So I got ANOTHER egs002 from Amazon. And a usb scope. Old egs002 had a waveform that looked totally different to new one. So I installed new board. Switch on. Nothing. Looks like it’s popped yet another pair of IGBT’s. Wtf is going on. All new components. A factory build...
Yeah. That’s correct. They are all the same. Using the same asic
I have ordered myself a 2ch usb scope. So before I go changing any of the settings, I want to scope the pwn outputs. I’m currently thinking I have a duff spwm.
I will let you know the outcome.
What benefit...
Hi all.
First time post for me
I’m after some help
I am trying to repair a high frequency 3000w inverter.
It worked great for 3 weeks when I got it (after replacing 2 IGBT’s)
But then they blew and many more replacements
I bought a new spwm board from the manufacturer and a complete new set of...
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