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Changes for page 3.3 Control

Last modified by Admin on 2025/06/11 15:52
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73 73  
74 74  To change the parameters of the main contactor, select the "Control → Main contactor" section:
75 75  
76 -[[image:1740749605680-464.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="800"]]
76 +[[image:1740749605680-464.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="88" width="600"]]
77 77  
78 -In this section:
79 -
80 -* Enable – a flag to enable the main contactor control;
81 -* Algorithm – main contactor control algorithm:
82 -** Always on – contactor is always closed;
83 -** Automatic – contactor closes by internal charge and discharge algorithms;
84 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed, millisecond;
85 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, millisecond;
86 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;
87 -* Errors to open the main contactor – error flags that cause the contactor to open.
88 -
89 -=== Charging status ===
90 -
91 -To change the parameters for generating status signals when charging the battery, select the section “Control → Charging status”:
92 -
93 -[[image:1740749824773-539.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
94 -
95 -In this section:
96 -
97 -* Current corresponding to charging – a current level to set the "Charging current present" signal, A;
98 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A.
99 -
100 -=== Discharging status ===
101 -
102 -To change the parameters for generating status signals when discharging the battery, select the section “Control → Discharging status”:
103 -
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 -
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 -
139 139  === Charge ===
140 140  
141 141  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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