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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 30.2
edited by Admin
on 2024/12/26 16:40
Change comment: There is no comment for this version
To version 33.3
edited by Admin
on 2025/02/11 13:19
Change comment: There is no comment for this version

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1 1  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 -= Settings =
2 += Configuration =
3 3  
4 4  (% data-numbered-headings-start="3" style="--numbered-headings-start: 2;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
5 5  == Control ==
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213 213  * Enable – a flag to start calculation of the charge current limit;
214 214  * Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;
215 215  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
216 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current Kcs depending on SOC and battery temperature;
216 +* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs** depending on SOC and battery temperature;
217 217  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
218 -* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature;
218 +* Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature;
219 219  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
220 -* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current Kcv depending on maximum cell voltage;
220 +* Option 3: Limit charge current by the maximum cell voltage - a flag to enable correction of maximum allowable charging current **Kcv** depending on maximum cell voltage;
221 221  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;
222 -* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current Kct depending on maximum cell temperature;
222 +* Option 4: Limit charge current by the cell temperature - a flag to enable correction of maximum allowable charging current **Kct** depending on maximum cell temperature;
223 223  * Option 4: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.
224 224  
225 225  Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows:
226 226  
227 -**Charging current limit = Maximum charging current × Kcs × Kcc × Kcv × Kct**
227 +**Charge current limit = Maximum charge current × Kcs × Kcc × Kcv × Kct**
228 228  
229 229  === Discharge map ===
230 230  
... ... @@ -241,18 +241,18 @@
241 241  * Enable – a flag to start calculation of the discharge current limit;
242 242  * Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;
243 243  * Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;
244 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current Kds depending on SOC and temperature;
244 +* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current **Kds **depending on SOC and temperature;
245 245  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
246 -* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current Kdc depending on contactor temperature;
246 +* Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature;
247 247  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
248 -* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current Kdv depending on minimum cell voltage;
248 +* Option 3: Limit discharge current by the cell voltage - a flag to enable correction of maximum allowable discharging current **Kdv** depending on minimum cell voltage;
249 249  * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;
250 -* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current Kdt depending on maximum cell temperature;
250 +* Option 4: Limit discharge current by the cell temperature - a flag to enable correction of maximum allowable discharging current **Kdt** depending on maximum cell temperature;
251 251  * Option 4: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.
252 252  
253 253  Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows:
254 254  
255 -**Discharging current limit = Maximum discharging current × Kds × Kdc × Kdv × Kdt**
255 +**Discharge current limit = Maximum discharge current × Kds × Kdc × Kdv × Kdt**
256 256  
257 257  === Charge map (PEAK & CONTINUOUS) ===
258 258  
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320 320  
321 321  In “Always on” mode main contactor closes if all the following is true:
322 322  
323 -* Charging contactor is open;
324 -* Discharging contactor is open;
325 -* There are no errors from the list below:
326 -** Overcurrent;
327 -** Undervoltage;
328 -** Overvoltage;
329 -** High temperature (CH);
330 -** High temperature (DCH);
331 -** Unallowable charging;
332 -** Critical error.
323 +* Other contactors are open;
324 +* There are no errors from the "Errors 1, 2 ..." bitfileds.
333 333  
334 334  In “Always on” mode main contactor opens if all the following is true:
335 335  
336 -* Charging contactor is open;
337 -* Discharging contactor is open;
338 -* There is an error from the list below:
339 -** Overcurrent;
340 -** Undervoltage;
341 -** Overvoltage;
342 -** High temperature (CH);
343 -** High temperature (DCH);
344 -** Unallowable charging;
345 -** Critical error.
328 +* Other contactors are open;
329 +* There is an error from the the "Errors 1, 2 ..." bitfileds.
346 346  
347 -In “Automatic” mode, the main contactor closes by internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
331 +In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
348 348  
349 349  In “On demand” mode, the main contactor closes by external the “Close Main contactor” request.
350 350  
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391 391  
392 392  === Discharging status ===
393 393  
394 -To change the parameters of charging process status, select the "Control → Discharging status" section:
378 +To change the parameters of discharging process status, select the "Control → Discharging status" section:
395 395  
396 396  [[image:1735064980481-209.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="102" width="800"]]In this section:
397 397  
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401 401  * Voltage to reset the “Ready to discharge” – a tolerant voltage level on the cell, V; if all cells voltages are above the tolerant level, the “Ready to discharge” signal is set;
402 402  * Errors 1, 2 to clear the "Ready to discharge" – bitfields to choose the errors which will clear the "Ready to discharge" signal.
403 403  
404 -=== Precharge () ===
388 +=== Precharge ===
405 405  
406 406  The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
407 407  
408 408  BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
409 409  
394 +TBA
395 +
410 410  To change the parameters of precharge contactor, select the "Control → Precharge" section:
411 411  
412 412  [[image:1735065073836-743.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
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591 591  * Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
592 592  * Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
593 593  
580 +TBA
581 +
594 594  (% class="box infomessage" %)
595 595  (((
596 596  **Note: **when errors occur in the system, the **Charge/Discharge **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).