Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:15
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... ... @@ -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 ... ... @@ -73,17 +73,17 @@ 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 === ... ... @@ -92,7 +92,7 @@ 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 ... ... @@ -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 ... ... @@ -313,11 +313,9 @@ 313 313 * 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; 314 314 * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens. 315 315 316 -(% class="box infomessage" %) 317 -((( 318 -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). 319 -))) 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). 320 320 319 + 321 321 The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted. 322 322 323 323 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. ... ... @@ -324,8 +324,9 @@ 324 324 325 325 To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section: 326 326 327 -[[image:1733746885414-479.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]] 328 328 327 +[[image:1733746885414-479.png]] 328 + 329 329 In this section: 330 330 331 331 * Enable – a flag to activate the discharge control; ... ... @@ -352,9 +352,11 @@ 352 352 353 353 The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section: 354 354 355 -[[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]] 356 356 357 357 358 +In this section: 359 + 358 358 * Enable – a flag to enable the charge/discharge controller. 359 359 360 360 === Discharge (AUX) === ... ... @@ -371,8 +371,9 @@ 371 371 372 372 To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section: 373 373 374 -[[image:1733746932199-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]] 375 375 377 +[[image:1733746932199-845.png]] 378 + 376 376 In this section: 377 377 378 378 * Enable – a flag to activate the auxiliary discharge control; ... ... @@ -382,8 +382,9 @@ 382 382 * Switch off the discharging (AUX) contactor if the battery voltage is out of the range; 383 383 * Minimum voltage – minimum battery voltage, V; 384 384 * Maximum voltage – maximum battery voltage, V; 385 -* 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. 386 386 389 +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 + 387 387 === Main contactor === 388 388 389 389 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. ... ... @@ -408,7 +408,7 @@ 408 408 409 409 To change the parameters of the main contactor, select the "Control → Main contactor" section: 410 410 411 -[[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]] 412 412 413 413 In this section: 414 414 ... ... @@ -431,14 +431,11 @@ 431 431 * the voltage on the cell is higher than the starting voltage of the balancing; 432 432 * the difference between the cell voltage and the minimum voltage among the cells of the battery is greater than the balancing deviation. 433 433 434 -(% class="box infomessage" %) 435 -((( 436 436 If the BMS Mini overheats, then the balancing of the cells connected to this device will not be performed. 437 -))) 438 438 439 439 To change the cell balancing parameters, select the "Control → Cell balancing" section: 440 440 441 -[[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]] 442 442 443 443 In this section: 444 444 ... ... @@ -448,7 +448,7 @@ 448 448 ** Balance on charge or relaxed; 449 449 ** Balance always; 450 450 451 -[[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]] 452 452 453 453 * Minimum cell voltage to start balancing, V; 454 454 * Balancing deviation, V. ... ... @@ -466,19 +466,20 @@ 466 466 467 467 To change the parameters of the power down control, select the "Control → Power down" section: 468 468 469 -[[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]] 470 470 471 471 In this section: 472 472 473 473 * Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V; 474 474 * Idle time to power down – a time of battery inactivity after which the battery is shut down, minute; 475 -* 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. 476 476 477 +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 + 477 477 === Heater === 478 478 479 479 To change the parameters of the heater control algorithm, select the "Control → Heater" section: 480 480 481 -[[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]] 482 482 483 483 In this section: 484 484 ... ... @@ -499,16 +499,14 @@ 499 499 500 500 * 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. 501 501 502 -(% class="box infomessage" %) 503 -((( 504 504 If there is the "Heater" signal, the heater contactor closes and/or a signal is output to the corresponded digital output. 505 -))) 506 506 506 + 507 507 === Cooler === 508 508 509 509 To change the parameters of the cooler control algorithm, select the "Control → Cooler" section: 510 510 511 -[[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]] 512 512 513 513 In this section: 514 514 ... ... @@ -529,11 +529,9 @@ 529 529 530 530 * 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. 531 531 532 -(% class="box infomessage" %) 533 -((( 534 534 If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponded digital output. 535 -))) 536 536 534 + 537 537 === Cell analysis === 538 538 539 539 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. ... ... @@ -547,7 +547,7 @@ 547 547 548 548 To configure parameters for determining the discharge characteristic of the battery, select the "Control → Cell analysis" section: 549 549 550 -[[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]] 551 551 552 552 In this section: 553 553 ... ... @@ -592,4 +592,5 @@ 592 592 * DOD – depth of discharge, Ah; 593 593 * Cell – position of the analyzed cell for which OCV and Resistance values are provided; 594 594 * OCV – cell voltage Uocv, V; 595 -* Resistance – cell resistance, Ohm. 593 + 594 +Resistance – cell resistance, Ohm.