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setpoints: Drop solar to 4V, battery to 12.75V

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Reduce the solar threshold so that we're at the point where the SSR can
work properly.  i.e. we're at first light.

The battery can discharge for an hour or two at this point, which will
give it a break from the charger just before sunrise.  This may trigger
the other charge controller to charge the battery during the day.

Drop the battery voltage just a fraction so we are past the "knee" of
the discharge curve at 12.8V.
This commit is contained in:
Stuart Longland 2018-10-01 10:08:46 +10:00
parent fe8520116f
commit 037f3a16d6
Signed by: stuartl
GPG Key ID: 6AA32EFB18079BAA
1 changed files with 2 additions and 2 deletions
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4
setpoints.h.dist
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@ -63,7 +63,7 @@
* should turn the charger on if it remains below this level for T_LOW_S
* seconds.
*/
#define V_L_MV (12800)
#define V_L_MV (12750)
/*!
* Critical Low battery voltage. If the voltage dips to or below this
@ -75,7 +75,7 @@
* Solar minimum voltage. If the solar is below this threshold, we
* consider it too low to reliably charge the system.
*/
#define V_SOL_MIN_MV (10000)
#define V_SOL_MIN_MV (4000)
/* --- Timeouts --- */