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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 12.1
edited by Admin
on 2025/02/11 16:16
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To version 12.11
edited by Admin
on 2025/02/11 16:26
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... ... @@ -110,8 +110,9 @@
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 +[[image:1739290619354-792.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="600"]]
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;
117 117  * 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;
... ... @@ -124,12 +124,12 @@
124 124  * Maximum allowable power dissipated in the resistor, W;
125 125  * Delay before setting the "Precharge error" when checking power, millisecond;
126 126  * Delay before clearing the "Precharge error", second;
127 -* Lock the "Precharge error" – a flag to block the error until the device is restarted.
128 +* Lock – a flag to block the error until the device is restarted.
128 128  
129 -“Precharge error” generation conditions:
130 +“Precharge error” generation conditions if any of the following is true:
130 130  
131 -* the precharge current does not decrease after "Number of precharging attempts";
132 -* voltages before and after contactors are not equal after "Number of precharging attempts";
132 +* the precharge current does not decrease during the "Precharge time" after "Number of precharging attempts";
133 +* voltages before and after contactors are not equal during the "Precharge time" 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  
135 135  (% class="box warningmessage" %)
... ... @@ -186,8 +186,8 @@
186 186  * Minimum number of modules allowed to join – a minimum number of battery modules that can be connected in parallel;
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 -* Checking voltages time – a time of checking voltages of battery modules, millisecond;
190 -* Balancing modules time – a time of balancing battery modules, millisecond;
190 +* Checking voltages time – a time of checking voltages of battery modules before starting joining modules, millisecond;
191 +* Balancing modules time – a time of balancing battery modules after joining modules and before closing main charging contactor, millisecond;
191 191  * Control the precharging contactor – a flag to control the main precharging contactor;
192 192  * Canceling charging time – a delay before opening the main charging contactor, ms;
193 193  * Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
... ... @@ -248,8 +248,8 @@
248 248  * Minimum number of modules allowed to join – a minimum number of battery modules that can be connected in parallel;
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 -* Checking voltages time – a time of checking voltages of battery modules, millisecond;
252 -* Balancing modules time – a time of balancing battery modules, millisecond;
252 +* Checking voltages time – a time of checking voltages of battery modules before starting joining modules, millisecond;
253 +* Balancing modules time – a time of balancing battery modules after joining modules and before closing main discharging contactor, millisecond;
253 253  * Control the precharging contactor – a flag to control the main precharging contactor;
254 254  * Canceling discharging time – a delay before opening the main discharging contactor, millisecond;
255 255  * Disconnect modules that are not ready to discharge – a flag for disconnecting modules that have the “Ready to discharge” signal cleared.
... ... @@ -265,6 +265,11 @@
265 265  
266 266  The BMS Main 3X can control the charging/discharging contactor that is used to both charge and discharge the battery.
267 267  
269 +Charge/Discharge contactor has two algorithms of operation:
270 +
271 +* Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if Charging signal is set, otherwise – as Discharging contactor;
272 +* Independent - Charge/Discharge contactor is based on its own controller.
273 +
268 268  The charge/discharge contactor (“Charging/Discharging” signal) receives a “Charging” signal (generated by the charge controller) if a “Charge request” signal is received from the upper-level system. In all other cases, the "Discharging" signal is output to the contactor (generated by the discharge controller).
269 269  
270 270  The charge/discharge contactor control is configured in the “Control → Charge/Discharge” section: