Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:15

From version 4.1
edited by Admin
on 2025/01/28 15:19
Change comment: There is no comment for this version
To version 1.1
edited by Admin
on 2024/12/09 12:23
Change comment: There is no comment for this version

Summary

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Parent
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1 -Battery management systems.BMS Mini S.3\. Configuration.WebHome
1 +drafts.BMS Mini S.3\. Configuration.WebHome
Content
... ... @@ -8,7 +8,7 @@
8 8  
9 9  To change the common BMS settings, select the "Control → Common settings" section:
10 10  
11 -[[image:1733746733473-873.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]]
11 +[[image:1733746733473-873.png]]
12 12  
13 13  In this section:
14 14  
... ... @@ -36,7 +36,7 @@
36 36  
37 37  To change the estimation algorithm for calculating the battery SOC, select the "Control → SOC estimation → Algorithm" section:
38 38  
39 -[[image:1733746733477-590.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="166" width="800"]]
39 +[[image:1733746733477-590.png]]
40 40  
41 41  The following estimation algorithms supported:
42 42  
... ... @@ -55,16 +55,17 @@
55 55  
56 56  To change the algorithm for calculating the Final SOC, select the "Control → SOC estimation → Final SOC" section:
57 57  
58 -[[image:1733746733478-414.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="800"]]
58 +[[image:1733746733478-414.png]]
59 59  
60 60  The following battery Final SOC calculation methods are supported:
61 61  
62 -* Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
63 -* Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules.
62 +*
63 +** Minimal SOC – SOC of the modular battery is assumed to be the minimum SOC among the battery modules;
64 +** Average SOC – SOC of the modular battery is taken equal to the arithmetic average of the SOC of the battery modules.
64 64  
65 65  To change other settings of SOC estimation, select the "Control → SOC estimation” section:
66 66  
67 -[[image:1733746733479-261.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="165" width="800"]]
68 +[[image:1733746733479-261.png]]
68 68  
69 69  In this section:
70 70  
... ... @@ -73,26 +73,26 @@
73 73  * SOC corresponding to 100% – battery SOC that sets to be 100%.
74 74  * Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries);
75 75  
76 -[[image:1733746733480-919.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="484" width="800"]]
77 +[[image:1733746733480-919.png]]
77 77  
78 78  * Linear zone: point 1 – starting point of the linear zone of Uocv dependence;
79 79  * Linear zone: point 2 – ending point of the linear zone of Uocv dependence;
80 80  * Coulomb counting correction (temperature) – the dependence of battery capacity on temperature;
81 81  
82 -[[image:1733746733481-286.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
83 +[[image:1733746733481-286.png]]
83 83  
84 84  * Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles.
85 85  
86 -[[image:1733746733482-538.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]]
87 +[[image:1733746733482-538.png]]
87 87  
88 88  
89 89  === SOC correction ===
90 90  
91 -The BMS Mini device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see [[SOC estimation>>doc:||anchor="HSOCestimation"]]).
92 +The BMS Mini device can recalculate the battery SOC after long-term storage or after long-term working in the case when the battery was not charged fully or discharged totally. Recalculation is done based on the tabular dependency Uocv = Uocv (SOC, t) (see section **SOC estimation**).
92 92  
93 93  To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section:
94 94  
95 -[[image:1733746733483-444.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]]
96 +[[image:1733746733483-444.png]]
96 96  
97 97  In this section:
98 98  
... ... @@ -103,7 +103,9 @@
103 103  * Ignore the linear zone – a flag to ignore linear SOC zone while correction;
104 104  * Last correction timestamp – time when last correction was made.
105 105  
106 -=== Resistance estimation ===
107 +1.
108 +11.
109 +111. Resistance estimation
107 107  
108 108  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
109 109  
... ... @@ -123,7 +123,7 @@
123 123  
124 124  To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section:
125 125  
126 -[[image:1733746733484-681.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
129 +[[image:1733746733484-681.png]]
127 127  
128 128  In this section:
129 129  
... ... @@ -133,7 +133,7 @@
133 133  * Minimum SOC – minimum cell SOC value for resistance calculation;
134 134  * Maximum SOC – maximum cell SOC value for resistance calculation.
135 135  
136 -The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see [[Common settings>>doc:||anchor="HCommonsettings"]]). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
139 +The calculated resistance is accepted by the system as valid (and therefore updated) if its value is in the range from Resistance/2 to “Maximum resistance factor” × Resistance, where "Resistance" is the nominal resistance of the cell (see Common settings). If the calculated resistance value is greater than the value (Maximum resistance factor × Resistance), the updated resistance value will be equal to the value (Maximum resistance factor × Resistance).
137 137  
138 138  === Charge map ===
139 139  
... ... @@ -143,7 +143,7 @@
143 143  
144 144  To configure parameters for determining the charge current limit, select the "Control → Charge map" section:
145 145  
146 -[[image:1733746766504-864.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]]
149 +[[image:1733746766504-864.png]]
147 147  
148 148  In this section:
149 149  
... ... @@ -152,22 +152,23 @@
152 152  * 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;
153 153  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
154 154  
155 -[[image:1733746766506-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="196" width="800"]]
158 +[[image:1733746766506-660.png]]
156 156  
157 157  * Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature;
158 158  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
159 159  
160 -[[image:1733746766508-178.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="184" width="800"]]
163 +[[image:1733746766508-178.png]]
161 161  
162 162  * 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;
163 163  * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage.
164 164  
165 -[[image:1733746766509-971.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="217" width="800"]]
168 +[[image:1733746766509-971.png]]
166 166  
167 167  Value of the charge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows:
168 168  
169 169  Charging current limit = Maximum charging current × Kcs × Kcc × Kcv
170 170  
174 +
171 171  === Discharge map ===
172 172  
173 173  The BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage.
... ... @@ -176,7 +176,7 @@
176 176  
177 177  To configure parameters for determining the discharge current limit, select the "Control → Discharge map" section:
178 178  
179 -[[image:1733746766511-477.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]]
183 +[[image:1733746766511-477.png]]
180 180  
181 181  In this section:
182 182  
... ... @@ -185,17 +185,17 @@
185 185  * 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;
186 186  * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;
187 187  
188 -[[image:1733746766512-300.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="195" width="800"]]
192 +[[image:1733746766512-300.png]]
189 189  
190 190  * Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current Kdc depending on contactor temperature;
191 191  * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;
192 192  
193 -[[image:1733746766513-161.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="183" width="800"]]
197 +[[image:1733746766513-161.png]]
194 194  
195 195  * 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;
196 196  * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage.
197 197  
198 -[[image:1733746766514-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="215" width="800"]]
202 +[[image:1733746766514-686.png]]
199 199  
200 200  Value of the discharge current limit at given SOC, temperature, contactors temperature and minimum cell voltage is calculated as follows:
201 201  
... ... @@ -243,16 +243,13 @@
243 243  * If in the process of charging the voltage on the cell exceeds the “Ready to charge” level, the allow charging contactor opens (while the charging contactor remains closed);
244 244  * If errors in the list above occur the charging contactor and allow charging contactor open.
245 245  
246 -(% class="box infomessage" %)
247 -(((
248 -Note: when errors occur in the system, the **charging **contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
249 -)))
250 +Note – When errors occur in the system, the charging contactor opens either immediately or with the delay T,,off,, (depends on the settings described below).
250 250  
251 251  When the power down request occurs, the allow charging contactor opens immediately and the charging contactor opens after the delay T,,off,,. Reclosing the charging contactor and allow charging contactor is performed if the power down request is removed.
252 252  
253 253  To change the parameters of the battery charge control algorithm, select the "Control → Charge" section:
254 254  
255 -[[image:1733746766516-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]]
256 +[[image:1733746766516-845.png]]
256 256  
257 257  In this section:
258 258  
... ... @@ -273,10 +273,7 @@
273 273  * Voltage to reset the “Ready to charge” – a tolerant 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;
274 274  * 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.
275 275  
276 -(% class="box infomessage" %)
277 -(((
278 278  Note – The allow charging contactor closes under two independent conditions: 1) the voltage on the cells reaches the “Voltage to reset the “Ready to charge"” level and 2) the "Delay before recharging" time has passed since the opening of the allow charging contactor.
279 -)))
280 280  
281 281  === Discharge ===
282 282  
... ... @@ -316,11 +316,9 @@
316 316  * if there is signal “Discharge request”, the charging contactor is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging contactor closes;
317 317  * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens.
318 318  
319 -(% class="box infomessage" %)
320 -(((
321 -Note: in case of errors in the system operation, the opening of the **discharging **contactor is performed either immediately or with a delay T,,off,, (depends on the settings described below).
322 -)))
317 +Note – In case of errors in the system operation, the opening of the discharging contactor is performed either immediately or with a delay T,,off,, (depends on the settings described below).
323 323  
319 +
324 324  The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted.
325 325  
326 326  When the power down request occurs, the discharging contactor opens after delay T,,off,,. Reclosing the discharging contactor is performed if the power down request is removed.
... ... @@ -327,8 +327,9 @@
327 327  
328 328  To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section:
329 329  
330 -[[image:1733746885414-479.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]]
331 331  
327 +[[image:1733746885414-479.png]]
328 +
332 332  In this section:
333 333  
334 334  * Enable – a flag to activate the discharge control;
... ... @@ -355,9 +355,11 @@
355 355  
356 356  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
357 357  
358 -[[image:1733746901779-991.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="95" width="800"]]In this section:
355 +[[image:1733746901779-991.png]]
359 359  
360 360  
358 +In this section:
359 +
361 361  * Enable – a flag to enable the charge/discharge controller.
362 362  
363 363  === Discharge (AUX) ===
... ... @@ -374,8 +374,9 @@
374 374  
375 375  To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section:
376 376  
377 -[[image:1733746932199-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]]
378 378  
377 +[[image:1733746932199-845.png]]
378 +
379 379  In this section:
380 380  
381 381  * Enable – a flag to activate the auxiliary discharge control;
... ... @@ -385,8 +385,9 @@
385 385  * Switch off the discharging (AUX) contactor if the battery voltage is out of the range;
386 386  * Minimum voltage – minimum battery voltage, V;
387 387  * Maximum voltage – maximum battery voltage, V;
388 -* Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error.
389 389  
389 +Switch off the discharging (AUX) contactor on errors – the auxiliary (AUX) discharging contactor opens if the following errors occur: Undervoltage, Overcurrent, High temperature (DCH), Short circuit, Critical error.
390 +
390 390  === Main contactor ===
391 391  
392 392  The BMS Mini device controls the main contactor. The main contactor is usually placed in the common (minus) battery line for opening the charge and discharge circuits in a case of sealing of the charging or discharging contactors.
... ... @@ -411,7 +411,7 @@
411 411  
412 412  To change the parameters of the main contactor, select the "Control → Main contactor" section:
413 413  
414 -[[image:1733746797002-498.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="93" width="800"]]
415 +[[image:1733746797002-498.png]]
415 415  
416 416  In this section:
417 417  
... ... @@ -434,14 +434,11 @@
434 434  * the voltage on the cell is higher than the starting voltage of the balancing;
435 435  * the difference between the cell voltage and the minimum voltage among the cells of the battery is greater than the balancing deviation.
436 436  
437 -(% class="box infomessage" %)
438 -(((
439 439  If the BMS Mini overheats, then the balancing of the cells connected to this device will not be performed.
440 -)))
441 441  
442 442  To change the cell balancing parameters, select the "Control → Cell balancing" section:
443 443  
444 -[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
442 +[[image:1733746797003-364.png]]
445 445  
446 446  In this section:
447 447  
... ... @@ -451,7 +451,7 @@
451 451  ** Balance on charge or relaxed;
452 452  ** Balance always;
453 453  
454 -[[image:1733746797004-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]]
452 +[[image:1733746797004-660.png]]
455 455  
456 456  * Minimum cell voltage to start balancing, V;
457 457  * Balancing deviation, V.
... ... @@ -469,19 +469,20 @@
469 469  
470 470  To change the parameters of the power down control, select the "Control → Power down" section:
471 471  
472 -[[image:1733746797005-459.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="115" width="800"]]
470 +[[image:1733746797005-459.png]]
473 473  
474 474  In this section:
475 475  
476 476  * Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V;
477 477  * Idle time to power down – a time of battery inactivity after which the battery is shut down, minute;
478 -* Wait the "Power up/down request" is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
479 479  
477 +Wait the "Power up/down request" is cleared (on startup) – a flag to enable delay for clearing the “Power up/down request” signal while starting the BMS.
478 +
480 480  === Heater ===
481 481  
482 482  To change the parameters of the heater control algorithm, select the "Control → Heater" section:
483 483  
484 -[[image:1733746808496-606.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]]
483 +[[image:1733746808496-606.png]]
485 485  
486 486  In this section:
487 487  
... ... @@ -502,16 +502,14 @@
502 502  
503 503  * the minimum temperature among all cells of the battery is greater than the “Tolerant cell temperature” value during the “Delay before stopping the heater” time.
504 504  
505 -(% class="box infomessage" %)
506 -(((
507 507  If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponded digital output.
508 -)))
509 509  
506 +
510 510  === Cooler ===
511 511  
512 512  To change the parameters of the cooler control algorithm, select the "Control → Cooler" section:
513 513  
514 -[[image:1733746808497-424.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]]
511 +[[image:1733746808497-424.png]]
515 515  
516 516  In this section:
517 517  
... ... @@ -532,11 +532,9 @@
532 532  
533 533  * the maximum temperature among all cells of the battery is less than the “Tolerant cell temperature” value during the “Delay before stopping the cooler” time.
534 534  
535 -(% class="box infomessage" %)
536 -(((
537 537  If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponded digital output.
538 -)))
539 539  
534 +
540 540  === Cell analysis ===
541 541  
542 542  Discharge characteristics of the battery – the dependence Uocv = Uocv (DOD) – is used to determine the tabular dependence Uocv = Uocv (SOC, t °C), which is necessary for calculating the state of charge of the battery.
... ... @@ -550,7 +550,7 @@
550 550  
551 551  To configure parameters for determining the discharge characteristic of the battery, select the "Control → Cell analysis" section:
552 552  
553 -[[image:1733746808498-116.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]]
548 +[[image:1733746808498-116.png]]
554 554  
555 555  In this section:
556 556  
... ... @@ -595,4 +595,5 @@
595 595  * DOD – depth of discharge, Ah;
596 596  * Cell – position of the analyzed cell for which OCV and Resistance values are provided;
597 597  * OCV – cell voltage Uocv, V;
598 -* Resistance – cell resistance, Ohm.
593 +
594 +Resistance – cell resistance, Ohm.