Changes for page 3.3 Control
Last modified by Admin on 2025/04/09 12:15
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... ... @@ -1,1 +1,1 @@ 1 - Battery managementystems.BMS Mini S.3\. Configuration.WebHome1 +drafts.BMS Mini S.3\. Configuration.WebHome - Content
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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 ... ... @@ -73,26 +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.