microinverters vs optimizers in real world use questions

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  • peakbagger
    replied
    The problem is there is no economic incentive in keeping track of real world performance between the micros and optimizers. No manufacturer is going to admit that they are selling buggy products, they just come out with a new model and hope the price attracts enough installers to blend over the past problems..

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  • Ampster
    replied
    I have a system of twenty 345 Watt panels using Enphase micros whose maximum output is 290 Watts. My array orientation is SSE and I saw system output at100 Watts at 6AM and finishing at 100 Watts at about 7PM. The peak output was 5700 Watts at Noon. Because they are micros, I do not have measurements for DC voltage or current.
    Last edited by Ampster; 05-15-2022, 11:57 AM.

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  • hsnoil
    replied
    Originally posted by Mike 134
    Only had my system up and running week, located northern Illinois and at 7:15 in the morning 100% sun last Saturday I was making 1000watts (18 panels 7.2KW). At 5:30 Pm was back down to 1000Watts. As the light dimmed it went down to under 200watts. No idea what voltage was. Solar Edge system with optimizers. As I'm typing this it's 7:24PM and I'm still making 110 watts of power, sundown is 8:03
    What is the minimum watts you have seen?

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  • Mike 134
    replied
    Only had my system up and running week, located northern Illinois and at 7:15 in the morning 100% sun last Saturday I was making 1000watts (18 panels 7.2KW). At 5:30 Pm was back down to 1000Watts. As the light dimmed it went down to under 200watts. No idea what voltage was. Solar Edge system with optimizers. As I'm typing this it's 7:24PM and I'm still making 110 watts of power, sundown is 8:03

    Leave a comment:


  • microinverters vs optimizers in real world use questions

    From what I see there is a big argument of what is better between optimizer and micro inverters. But I'm having a hard to finding some info or maybe putting the info properly together?

    From my understanding, microinverters have a minimum of 16v to operate, but they won't invert until 22v

    For optimizers, minimum is 5v, but you need 350v to turn on the inverter? So say you have 35 panels. does that mean that it won't invert until the average is 10v?

    What would happen if most of your panels are fully covered in snow with 10 partly covered producing 30v each. Would that mean it won't run?

    I am guessing if you have enough panels, the optimizers would start first and end production last in beginning and end of the day?
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