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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 11.3
edited by Admin
on 2025/02/11 16:15
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To version 8.1
edited by Admin
on 2025/01/28 16:12
Change comment: Загрузить новое вложение 1738080762857-975.png

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26 26  
27 27  Each module in a battery must have a unique address. You can change the address in the battery module settings in the “Connectivity → CAN” section of the BMS Main 3 settings.
28 28  
29 -In corresponding section you can set up maximum number of found modules to finish initialization.
29 +You can set up maximum number of found modules to finish initialization in corresponding section.
30 30  
31 31  === Calculation of battery parameters ===
32 32  
... ... @@ -40,8 +40,8 @@
40 40  
41 41  * Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
42 42  * Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules;
43 -* Min-Max SOC – the battery SOC is calculated based on the minimum and maximum SOC of the modules. Final SOC will be a) 100% if any module has 100% SOC, b) 0% if any module has 0% SOC;
44 -* Max-Min SOC – the battery SOC is calculated based on the minimum and maximum SOC of the cells. Final SOC will be a) 100% if all modules have 100% SOC, b) 0% if all modules have 0% SOC;
43 +* Min-Max SOC – SOC of the modular battery is calculated based on the minimal and maximum SOC of the battery modules (optimized for maximum health);
44 +* Max-Min SOC – SOC of the modular battery is calculated based on the minimal and maximum SOC of the battery modules (optimized for maximum capacity, recommended);
45 45  
46 46  Calculation of the battery state of health (SOH) is configured in the "Control → Calculation → Final SOH" section. The following battery SOH calculation methods are supported:
47 47  
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110 110  
111 111  To change the precharge parameters, select the section “Control → Precharge”:
112 112  
113 -[[image:1738080762857-975.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="108" width="600"]]In this section:
113 +In this section:
114 114  
115 115  
116 116  * 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;
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125 125  * Delay before setting the "Precharge error" when checking power, millisecond;
126 126  * Delay before clearing the "Precharge error", second;
127 127  * Lock the "Precharge error" – a flag to block the error until the device is restarted.
128 -
128 +* (((
129 129  “Precharge error” generation conditions:
130 -
130 +)))
131 131  * the precharge current does not decrease after "Number of precharging attempts";
132 132  * voltages before and after contactors are not equal after "Number of precharging attempts";
133 133  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
134 134  
135 -(% class="box warningmessage" %)
136 -(((
137 -Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
138 -)))
139 -
140 140  === Charge ===
141 141  
142 142  The BMS Main 3X device manages the parallel connection of the battery modules and the connection of the battery to the charging circuit.
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174 174  
175 175  The battery charge management is configured in the "Control → Charge" section:
176 176  
177 -[[image:1738081025199-282.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="600"]]
172 +[[image:1734089684907-463.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="180" width="600"]]
178 178  
179 179  In this section:
180 180  
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187 187  * Allowable battery current to rejoin modules – a battery current at which joining of battery modules is permitted, A;
188 188  * Allowable voltage difference to rejoin modules – a difference between the voltage of the disconnected module and the battery voltage at which its joining is permitted, V;
189 189  * Checking voltages time – a time of checking voltages of battery modules, millisecond;
185 +* Pre-balancing modules time – a time of pre-charging battery modules, millisecond;
190 190  * Balancing modules time – a time of balancing battery modules, millisecond;
191 191  * Control the precharging contactor – a flag to control the main precharging contactor;
188 +* Precharging time – a time of precharging, millisecond;
192 192  * Canceling charging time – a delay before opening the main charging contactor, ms;
190 +* Limit module current – a flag that allows to limit the charging current of a modular battery so that the current of each battery module does not exceed its maximum allowable charge current;
191 +* Slew rate – a rate of change of the charge current limit when the “Limit module current” flag is set, A/s;
193 193  * Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
194 194  * Disconnect all modules if one is not ready to charge – a flag for disconnecting all modules if any of the modules have the “Ready to charge” signal cleared;
195 195  * Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears;
196 -* Maximum CONTINUOUS charge current limit – a maximum continuous allowed charging current of all battery, A;
197 197  * Maximum charge current limit – a maximum allowed charging current of all battery, A;
198 198  * Errors 1 (2) to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
199 199  * Errors 1 (2) to open the charging contactor – errors that cause the main charging contactor "Charging" to open;
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236 236  
237 237  The battery discharge management is configured in the "Control → Discharge" section:
238 238  
239 -[[image:1738081173083-894.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="600"]]
237 +[[image:1734089702987-534.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="600"]]
240 240  
241 241  In this section:
242 242  
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249 249  * Allowable battery current to rejoin modules – a battery current at which joining of battery modules is permitted, A;
250 250  * Allowable voltage difference to rejoin modules – a difference between the voltage of the disconnected module and the battery voltage at which its joining is permitted, V;
251 251  * Checking voltages time – a time of checking voltages of battery modules, millisecond;
250 +* Pre-balancing modules time – a time of precharging battery modules, millisecond;
252 252  * Balancing modules time – a time of balancing battery modules, millisecond;
253 253  * Control the precharging contactor – a flag to control the main precharging contactor;
253 +* Precharging time – a time of precharging, millisecond;
254 254  * Canceling discharging time – a delay before opening the main discharging contactor, millisecond;
255 +* Limit module current – a flag that allows to limit the discharging current of a modular battery so that the current of each battery module does not exceed its maximum allowable discharge current;
256 +* Slew rate – a rate of change of the discharge current limit when the “Limit module current” flag is set, A/s;
255 255  * Disconnect modules that are not ready to discharge – a flag for disconnecting modules that have the “Ready to discharge” signal cleared.
256 256  * Disconnect all modules if one is not ready to discharge – a flag for disconnecting all modules if one of the modules have the “Ready to discharge” signal cleared;
257 257  * Join modules on the “Discharge request” signal – a flag to enable automatic modules joining if “Discharge request” signal appears;
258 -* Maximum CONTINUOUS discharge current limit – a maximum allowed continuous discharging current of all the battery, A;
259 259  * Maximum discharge current limit – a maximum allowed discharging current of all the battery, A;
260 260  * Errors 1 (2) to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
261 261  * Errors 1 (2) to open the discharging contactor – errors that cause the main discharging contactor "Discharging" to open,
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