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]] 11 +[[image:1733746733473-873.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="124" width="800"]] 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]] 39 +[[image:1733746733477-590.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="166" width="800"]] 40 40 41 41 The following estimation algorithms supported: 42 42 ... ... @@ -55,17 +55,16 @@ 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]] 58 +[[image:1733746733478-414.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="800"]] 59 59 60 60 The following battery Final SOC calculation methods are supported: 61 61 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. 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. 65 65 66 66 To change other settings of SOC estimation, select the "Control → SOC estimation” section: 67 67 68 -[[image:1733746733479-261.png]] 67 +[[image:1733746733479-261.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="165" width="800"]] 69 69 70 70 In this section: 71 71 ... ... @@ -74,17 +74,17 @@ 74 74 * SOC corresponding to 100% – battery SOC that sets to be 100%. 75 75 * Uocv (open-circuit voltage) table – the dependence of the cell open circuit voltage Uocv on SOC and the cell temperature (selected for specific batteries); 76 76 77 -[[image:1733746733480-919.png]] 76 +[[image:1733746733480-919.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="484" width="800"]] 78 78 79 79 * Linear zone: point 1 – starting point of the linear zone of Uocv dependence; 80 80 * Linear zone: point 2 – ending point of the linear zone of Uocv dependence; 81 81 * Coulomb counting correction (temperature) – the dependence of battery capacity on temperature; 82 82 83 -[[image:1733746733481-286.png]] 82 +[[image:1733746733481-286.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]] 84 84 85 85 * Coulomb counting correction (cycles) – the dependence of battery capacity on the number of charge-discharge cycles. 86 86 87 -[[image:1733746733482-538.png]] 86 +[[image:1733746733482-538.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="161" width="800"]] 88 88 89 89 90 90 === SOC correction === ... ... @@ -93,7 +93,7 @@ 93 93 94 94 To configure parameters for periodically correcting the battery state of charge, select the "Control → SOC correction" section: 95 95 96 -[[image:1733746733483-444.png]] 95 +[[image:1733746733483-444.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="160" width="800"]] 97 97 98 98 In this section: 99 99 ... ... @@ -104,9 +104,7 @@ 104 104 * Ignore the linear zone – a flag to ignore linear SOC zone while correction; 105 105 * Last correction timestamp – time when last correction was made. 106 106 107 -1. 108 -11. 109 -111. Resistance estimation 106 +=== Resistance estimation === 110 110 111 111 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 112 112 ... ... @@ -126,7 +126,7 @@ 126 126 127 127 To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section: 128 128 129 -[[image:1733746733484-681.png]] 126 +[[image:1733746733484-681.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]] 130 130 131 131 In this section: 132 132 ... ... @@ -146,7 +146,7 @@ 146 146 147 147 To configure parameters for determining the charge current limit, select the "Control → Charge map" section: 148 148 149 -[[image:1733746766504-864.png]] 146 +[[image:1733746766504-864.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="138" width="800"]] 150 150 151 151 In this section: 152 152 ... ... @@ -155,23 +155,22 @@ 155 155 * 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; 156 156 * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature; 157 157 158 -[[image:1733746766506-660.png]] 155 +[[image:1733746766506-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="196" width="800"]] 159 159 160 160 * Option 2: Limit charge current by the contactor temperature – a flag to enable correction of maximum allowable charging current Kcc depending on contactor temperature; 161 161 * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature; 162 162 163 -[[image:1733746766508-178.png]] 160 +[[image:1733746766508-178.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="184" width="800"]] 164 164 165 165 * 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; 166 166 * Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage. 167 167 168 -[[image:1733746766509-971.png]] 165 +[[image:1733746766509-971.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="217" width="800"]] 169 169 170 170 Value of the charge current limit at given SOC, temperature, contactors temperature and maximum cell voltage is calculated as follows: 171 171 172 172 Charging current limit = Maximum charging current × Kcs × Kcc × Kcv 173 173 174 - 175 175 === Discharge map === 176 176 177 177 The BMS Mini device calculates maximum allowable discharge current values in respect to SOC, battery temperature, contactor temperature and cell voltage. ... ... @@ -180,7 +180,7 @@ 180 180 181 181 To configure parameters for determining the discharge current limit, select the "Control → Discharge map" section: 182 182 183 -[[image:1733746766511-477.png]] 179 +[[image:1733746766511-477.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="149" width="800"]] 184 184 185 185 In this section: 186 186 ... ... @@ -189,17 +189,17 @@ 189 189 * 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; 190 190 * Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature; 191 191 192 -[[image:1733746766512-300.png]] 188 +[[image:1733746766512-300.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="195" width="800"]] 193 193 194 194 * Option 2: Limit discharge current by the contactor temperature – a flag to enable correction of maximum allowable discharging current Kdc depending on contactor temperature; 195 195 * Option 2: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature; 196 196 197 -[[image:1733746766513-161.png]] 193 +[[image:1733746766513-161.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="183" width="800"]] 198 198 199 199 * 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; 200 200 * Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage. 201 201 202 -[[image:1733746766514-686.png]] 198 +[[image:1733746766514-686.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="215" width="800"]] 203 203 204 204 Value of the discharge current limit at given SOC, temperature, contactors temperature and minimum cell voltage is calculated as follows: 205 205 ... ... @@ -247,13 +247,16 @@ 247 247 * 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); 248 248 * If errors in the list above occur the charging contactor and allow charging contactor open. 249 249 250 -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). 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 +))) 251 251 252 252 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. 253 253 254 254 To change the parameters of the battery charge control algorithm, select the "Control → Charge" section: 255 255 256 -[[image:1733746766516-845.png]] 255 +[[image:1733746766516-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]] 257 257 258 258 In this section: 259 259 ... ... @@ -314,9 +314,11 @@ 314 314 * 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; 315 315 * If the signal “Discharge request” disappears or errors occur (see the list above), then after the delay time T,,off,, the discharging contactor opens. 316 316 317 -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). 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 +))) 318 318 319 - 320 320 The device supports controlling the precharging contactor. The duration of switching on the precharging contactor before closing the discharging (load) contactor is adjusted. 321 321 322 322 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. ... ... @@ -323,9 +323,8 @@ 323 323 324 324 To change the parameters of the battery discharge control algorithm, select the "Control → Discharge" section: 325 325 327 +[[image:1733746885414-479.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="319" width="800"]] 326 326 327 -[[image:1733746885414-479.png]] 328 - 329 329 In this section: 330 330 331 331 * Enable – a flag to activate the discharge control; ... ... @@ -352,11 +352,9 @@ 352 352 353 353 The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section: 354 354 355 -[[image:1733746901779-991.png]] 355 +[[image:1733746901779-991.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="95" width="800"]]In this section: 356 356 357 357 358 -In this section: 359 - 360 360 * Enable – a flag to enable the charge/discharge controller. 361 361 362 362 === Discharge (AUX) === ... ... @@ -373,9 +373,8 @@ 373 373 374 374 To change the parameters of the powering of external equipment, select the "Control → Discharge (AUX)" section: 375 375 374 +[[image:1733746932199-845.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]] 376 376 377 -[[image:1733746932199-845.png]] 378 - 379 379 In this section: 380 380 381 381 * Enable – a flag to activate the auxiliary discharge control; ... ... @@ -385,9 +385,8 @@ 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; 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. 388 388 389 -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 - 391 391 === Main contactor === 392 392 393 393 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. ... ... @@ -412,7 +412,7 @@ 412 412 413 413 To change the parameters of the main contactor, select the "Control → Main contactor" section: 414 414 415 -[[image:1733746797002-498.png]] 411 +[[image:1733746797002-498.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="93" width="800"]] 416 416 417 417 In this section: 418 418 ... ... @@ -435,11 +435,14 @@ 435 435 * the voltage on the cell is higher than the starting voltage of the balancing; 436 436 * the difference between the cell voltage and the minimum voltage among the cells of the battery is greater than the balancing deviation. 437 437 434 +(% class="box infomessage" %) 435 +((( 438 438 If the BMS Mini overheats, then the balancing of the cells connected to this device will not be performed. 437 +))) 439 439 440 440 To change the cell balancing parameters, select the "Control → Cell balancing" section: 441 441 442 -[[image:1733746797003-364.png]] 441 +[[image:1733746797003-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]] 443 443 444 444 In this section: 445 445 ... ... @@ -449,7 +449,7 @@ 449 449 ** Balance on charge or relaxed; 450 450 ** Balance always; 451 451 452 -[[image:1733746797004-660.png]] 451 +[[image:1733746797004-660.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="104" width="800"]] 453 453 454 454 * Minimum cell voltage to start balancing, V; 455 455 * Balancing deviation, V. ... ... @@ -467,20 +467,19 @@ 467 467 468 468 To change the parameters of the power down control, select the "Control → Power down" section: 469 469 470 -[[image:1733746797005-459.png]] 469 +[[image:1733746797005-459.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="115" width="800"]] 471 471 472 472 In this section: 473 473 474 474 * Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V; 475 475 * 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 - 479 479 === Heater === 480 480 481 481 To change the parameters of the heater control algorithm, select the "Control → Heater" section: 482 482 483 -[[image:1733746808496-606.png]] 481 +[[image:1733746808496-606.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="116" width="800"]] 484 484 485 485 In this section: 486 486 ... ... @@ -501,14 +501,16 @@ 501 501 502 502 * 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. 503 503 502 +(% 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 +))) 505 505 506 - 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]] 511 +[[image:1733746808497-424.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="113" width="800"]] 512 512 513 513 In this section: 514 514 ... ... @@ -529,9 +529,11 @@ 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 +((( 532 532 If there is the "Cooler" signal, the cooler contactor closes and/or a signal is output to the corresponded digital output. 535 +))) 533 533 534 - 535 535 === Cell analysis === 536 536 537 537 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. ... ... @@ -545,7 +545,7 @@ 545 545 546 546 To configure parameters for determining the discharge characteristic of the battery, select the "Control → Cell analysis" section: 547 547 548 -[[image:1733746808498-116.png]] 550 +[[image:1733746808498-116.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="103" width="800"]] 549 549 550 550 In this section: 551 551 ... ... @@ -590,5 +590,4 @@ 590 590 * DOD – depth of discharge, Ah; 591 591 * Cell – position of the analyzed cell for which OCV and Resistance values are provided; 592 592 * OCV – cell voltage Uocv, V; 593 - 594 -Resistance – cell resistance, Ohm. 595 +* Resistance – cell resistance, Ohm.