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opinion:frater_secessus:epever [2023/01/18 13:53] frater_secessus [anecdotes about tracking crashes] |
opinion:frater_secessus:epever [2023/01/18 14:55] frater_secessus [issues] |
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* it will adjust to changing conditions, but it can be slow. One might say " | * it will adjust to changing conditions, but it can be slow. One might say " | ||
* it can be slow to react after long periods of no load - see [[https:// | * it can be slow to react after long periods of no load - see [[https:// | ||
- | * it can get confused in complex solar conditions, as with partly-cloudy skies and high winds, or in breezes that move partial shade around on the panels. | + | * it can get confused in complex solar conditions, as with partly-cloudy skies and high winds, or in breezes that move partial shade around on the panels. |
* the large AN controllers (≥50A) have **undersized terminal screws** which can snap under overzealous tightening. | * the large AN controllers (≥50A) have **undersized terminal screws** which can snap under overzealous tightening. | ||
* firmware does not appear to be field-upgradable without hacking | * firmware does not appear to be field-upgradable without hacking | ||
* Absorption duration cannot be zeroed out; the minimum duration is 10 minutes. | * Absorption duration cannot be zeroed out; the minimum duration is 10 minutes. | ||
+ | * Absorption duration max is 180 minutes | ||
+ | |||
+ | ==== tracking crashes ==== | ||
+ | |||
+ | === videos === | ||
+ | |||
+ | |||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | |||
+ | |||
+ | === anecdotes === | ||
+ | |||
- | ==== anecdotes about tracking crashes ==== | ||
>> My epever often pulls pv voltages down to battery voltage acting like PWM. Getting really annoying now. It works okay with 12v and 17.5v panels, but the bigger panels with a voltage of 35v present a problem on cloudy days. It drags thr voltage down, and doesnt let it back up until i reset the unit. It then lets the panels back up to proper voltage and starts producing decent power again. ([[https:// | >> My epever often pulls pv voltages down to battery voltage acting like PWM. Getting really annoying now. It works okay with 12v and 17.5v panels, but the bigger panels with a voltage of 35v present a problem on cloudy days. It drags thr voltage down, and doesnt let it back up until i reset the unit. It then lets the panels back up to proper voltage and starts producing decent power again. ([[https:// | ||
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- | Comments on [[https:// | ||
>> | >> |