OK, here's my last post on this thread, forwarding Eric's off list
reply. Nada mas, I promise, as the circle is complete. Allan
-------- Original Message -------- Allen, That is the concern. While it wouldn't hurt the controller to remain in bulk indefinitely, it wouldn't be good for the batteries if they were < 50% and the load would not allow voltage to climb. Eric Bentsen Eric, Thanks for sticking with me on this. OK, that makes more sense. You're not saying that it's an unregulated float, but only that float will allow load to pass through as needed to maintain float voltage, up to the limit of either the available array or the controller's capacity, whichever is less. I still wonder whether a modest load on the charge during bulk would likely prevent the controller from ever reaching the bulk voltage, given that the module would be operating above its MPP knee, and thus with greatly reduced current (depending on temperature and other factors). If that occurred, would the controller just stay in bulk mode indefinitely? Allan |
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