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Changes for page 3.3 Control

Last modified by Admin on 2025/06/11 15:52
From version 8.2
edited by Admin
on 2025/02/28 13:37
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To version 9.2
edited by Admin
on 2025/02/28 13:39
Change comment: There is no comment for this version

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101 101  
102 102  To change the parameters for generating status signals when discharging the battery, select the section “Control → Discharging status”:
103 103  
104 -[[image:1740749862820-455.png]]
104 +[[image:1740749862820-455.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="95" width="800"]]In this section:
105 105  
106 +* Current corresponding to discharging – a current level to set the "Discharging current present" signal, A;
107 +* Current corresponding to no discharging – a current level to clear the "Discharging current present" signal, A.
108 +
109 +=== Precharge ===
110 +
111 +To change the precharge parameters, select the section “Control → Precharge”:
112 +
113 +[[image:1740749922669-238.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="165" width="800"]]
114 +
115 +In this section:
116 +
117 +* Precharge current threshold to close the discharging contactor – a current value to ensure that precharge process has finished and it is allowed to close the discharging contactor, A;
118 +* Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
119 +* Minimum voltage difference before and after contactors to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V;
120 +* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
121 +* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
122 +* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
123 +* Relaxation between attempts – a duration between precharge attempts, millisecond;
124 +* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
125 +* Precharge resistor resistance, Ohm;
126 +* Maximum allowable power dissipated in the resistor, W;
127 +* Delay before setting the "Precharge error" when checking power, millisecond;
128 +* Delay before clearing the "Precharge error", second;
129 +* Lock – a flag to block the error until the device is restarted.
130 +
131 +“Precharge error” generation conditions if any of the following is true:
132 +
133 +* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
134 +* voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
135 +* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
136 +
137 +Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
138 +
106 106  === Charge ===
107 107  
108 108  The BMS Main X device manages the parallel connection of the battery modules and the connection of the battery to the charging circuit.
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