Hello, thanks for your answer, right now I can't join due to time and economy, but in the near future I will try to solve these problems and try to join you.
Would you say all inverters are designed with under rating and rely and big heatsink. Wouldnt it be better to put higher rating transistors? Cheap junk sold at high prices is hurting electronics market.
thank you very much forthevideos ...you are super! please i need whatsupp number i have many invertersto repair i have problems with mppt charger for voltronic vm2 5,5 kw no power