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Changes for page 3.3 Control

Last modified by Admin on 2025/12/11 10:32
From version 65.2
edited by Admin
on 2025/12/10 17:00
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To version 53.1
edited by Admin
on 2025/06/19 10:20
Change comment: Uploaded new attachment "1750328428183-819.png", version {1}

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102 102  * Ignore the linear zone – a flag to ignore linear SOC zone while correction (recommended to be unset);
103 103  * Last correction timestamp – time when last correction was made.
104 104  
105 -=== SOH estimation ===
106 -
107 -The BMS Main 3 device calculates the state of health of the battery (SOH) using two algorithms:
108 -
109 -* by effective capacity;
110 -* by total charge –.
111 -
112 -TBA
113 -
114 114  === Resistance estimation ===
115 115  
116 116  Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value
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365 365  
366 366  To change the parameters of charging process status, select the "Control → Charging status" section:
367 367  
368 -[[image:1760435790050-496.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]
359 +[[image:1750261016583-434.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="114" width="800"]]
369 369  
370 370  In this section:
371 371  
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375 375  * Voltage to reset the “Ready to charge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cell voltages are below the tolerant level, the “Ready to charge” (hence, the “Allow charging”) signal is set;
376 376  * Treat negative currents as zero currents for generating the "Ready to charge" signal – a flag to disable voltage correction for "Ready to charge" signal at discharging current;
377 377  * Delay before recharging – a time after which the previously opened the allow charging contactor closes again, minute; to disable the operation by timeout set "Delay before recharging" to 0;
378 -* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;
379 -* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared;
380 -* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set;
381 381  * Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.
382 382  
383 383  (% class="box infomessage" %)
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391 391  
392 392  To change the parameters of discharging process status, select the "Control → Discharging status" section:
393 393  
394 -[[image:1760435802140-274.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="129" width="800"]]
382 +[[image:1750261289590-730.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]
395 395  
396 396  In this section:
397 397  
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400 400  * Voltage to clear the “Ready to discharge” – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is below this level, the “Ready to discharge” signal is cleared;
401 401  * Voltage to reset the “Ready to discharge” – a tolerant U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
402 402  * Treat positive currents as zero currents for generating the "Ready to discharge" signal – a flag to disable voltage correction for "Ready to discharge" signal at charging current;
403 -* Check the 'Discharge current limit' value to generate the 'Ready to discharge' – a flag to enable check of "Discharging current limit" to generate the "Ready to discharge" signal;
404 -* Discharge current limit to clear the 'Ready to discharge' – a threshold discharging current limit value, A; if the limit is //above //this level, the “Ready to discharge” signal is cleared;
405 -* Discharge current limit to set the 'Ready to discharge' – a tolerant discharging current limit value, A; if the limit is //below //this level, the “Ready to discharge” signal is set;
406 406  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
407 407  
408 408  === Precharge ===
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415 415  
416 416  To change the parameters of precharge contactor, select the "Control → Precharge" section:
417 417  
418 -[[image:1750328428183-819.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="178" width="800"]]
403 +[[image:1750261478365-882.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="180" width="800"]]
419 419  
420 420  * Precharge current threshold to finish precharging – a minimum current value at which precharging process assumed to be finished, A;
421 421  * 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;
422 422  * Minimum voltage difference to finish precharging – minimal voltage difference before and after contactors at which precharge process is meant to be finished, V;
423 -* Keep the precharging relay closed until precharge is finished – a flag to ignore the Precharge time and wait precharging to finish before open precharge relay;
424 424  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
425 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
426 426  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
427 427  * Relaxation between attempts – a duration between precharge attempts, millisecond;
428 428  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
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