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Battery parameters: clarify empty, full voltage description

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This commit is contained in:
Matthias Grob
2024-03-27 16:22:53 +01:00
parent 868a884131
commit 4c5f084445
1 changed files with 9 additions and 9 deletions
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src/lib/battery/module.yaml
+9 -9
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@@ -7,12 +7,12 @@ parameters:
definitions: definitions:
BAT${i}_V_EMPTY: BAT${i}_V_EMPTY:
description: description:
short: Empty cell voltage (5C load) short: Empty cell voltage
long: | long: |
Defines the voltage where a single cell of battery 1 is considered empty. Defines the voltage where a single cell of the battery is considered empty.
The voltage should be chosen before the steep dropoff to 2.8V. A typical The voltage should be chosen above the steep dropoff at 3.5V. A typical
lithium battery can only be discharged down to 10% before it drops off lithium battery can only be discharged under high load down to 10% before
to a voltage level damaging the cells. it drops off to a voltage level damaging the cells.
type: float type: float
unit: V unit: V
@@ -25,10 +25,10 @@ parameters:
BAT${i}_V_CHARGED: BAT${i}_V_CHARGED:
description: description:
short: Full cell voltage (5C load) short: Full cell voltage
long: | long: |
Defines the voltage where a single cell of battery 1 is considered full Defines the voltage where a single cell of the battery is considered full.
under a mild load. This will never be the nominal voltage of 4.2V For a more accurate estimate set this below the nominal voltage of e.g. 4.2V
type: float type: float
unit: V unit: V
@@ -44,7 +44,7 @@ parameters:
short: Voltage drop per cell on full throttle short: Voltage drop per cell on full throttle
long: | long: |
This implicitly defines the internal resistance This implicitly defines the internal resistance
to maximum current ratio for battery 1 and assumes linearity. to maximum current ratio for the battery and assumes linearity.
A good value to use is the difference between the A good value to use is the difference between the
5C and 20-25C load. Not used if BAT${i}_R_INTERNAL is 5C and 20-25C load. Not used if BAT${i}_R_INTERNAL is
set. set.