Changes for page 3.5 Battery control

Last modified by Admin on 2025/03/10 12:50

From version 3.1
edited by Admin
on 2024/11/21 17:06
Change comment: Uploaded new attachment "1732208781932-849.png", version {1}
To version 3.3
edited by Admin
on 2024/11/21 17:08
Change comment: There is no comment for this version

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... ... @@ -62,7 +62,7 @@
62 62  
63 63  (% class="box infomessage" %)
64 64  (((
65 -**Note:** The allow charging relay closes under two independent conditions:
65 +**Note:** The "Allow charging" signal appears under two independent conditions:
66 66  1) the voltage on the cells reaches the Voltage to reset the “Ready to charge" level and
67 67  2) the "Delay before recharging" time has passed since the opening of the allow charging relay.
68 68  )))
... ... @@ -99,7 +99,10 @@
99 99  * if there is no signal “Charger connected”, the charging relay is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging relay closes;
100 100  * If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging relay opens.
101 101  
102 -Note – In case of errors in the system operation, the opening of the discharging relay is performed either immediately or with a delay T,,off,, (depends on the settings described below).
102 +(% class="box infomessage" %)
103 +(((
104 +**Note:** In case of errors in the system operation, the opening of the discharging relay is performed either immediately or with a delay T,,off,, (depends on the settings described below).
105 +)))
103 103  
104 104  The board supports controlling the precharging relay. The duration of switching on the precharging relay before closing the discharging (load) relay is adjusted.
105 105  
... ... @@ -106,3 +106,25 @@
106 106  When the power down request occurs, the discharging relay opens after delay T,,off,,. Reclosing the discharging relay is performed if the power down request is removed.
107 107  
108 108  To change the parameters of the battery discharge control algorithm, select the menu "Cells → Discharging control":
112 +
113 +[[Discharge control settings>>image:1732208781932-849.png||data-xwiki-image-style-alignment="center" height="644" width="415"]]
114 +
115 +
116 +In this section:
117 +
118 +* Enable – a flag to activate the discharge control;
119 +* Discharging algorithm:
120 +** Always on – load is always connected;
121 +** On charger disconnected – load is connected when there is no signal “Charger connected”;
122 +** On discharge request – load is connected when there is a signal “Discharge request”;
123 +* Current indicating discharging – a current level to generate the "Discharging current present" signal, А;
124 +* Current indicating no discharging – a current level to clear the "Discharging current present" signal, А;
125 +* Delay before starting discharging – a time delay T,,on,, before closing the discharging relay, second;
126 +* Delay before stopping discharging – a time delay T,,off,, before opening the discharging relay, second;
127 +* Use specific delays before stopping discharging (on errors) – a flag to enable manual settings of time delays T,,off,, for specific errors;
128 +* Switch off the discharging relay on errors without delay – a flag to protectively open the discharging relay without delay. In the opposite case, when an error is detected, the discharging relay opens always with the delay “Delay before stopping discharging”.
129 +* Precharge time – a duration of closing the precharge relay before closing the discharging relay, millisecond;
130 +* Voltage to clear the “Ready to discharge” signal – a threshold voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
131 +* Voltage to reset the “Ready to discharge” signal – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set.
132 +
133 +3.5.3