Changes for page 3.3 Control
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... ... @@ -144,6 +144,8 @@ 144 144 145 145 === Low SOC (signal) === 146 146 147 +The "Low SOC" is indicative signal that can be assigned to a discrete output or a power switch. 148 + 147 147 To change the parameters of the generation a signal about low battery level, select the "Control → Low SOC (signal)" section: 148 148 149 149 [[image:1740396460923-423.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="141" width="800"]] ... ... @@ -165,13 +165,10 @@ 165 165 166 166 * the battery SOC is greater than the “Tolerant SOC” during the “Delay before clearing the signal” time. 167 167 168 -(% class="box infomessage" %) 169 -((( 170 -The "Low SOC signal" is indicative and can be output to a discrete output or a power switch. 171 -))) 172 - 173 173 === High charging current (signal) === 174 174 172 +The "High charging current" is indicative signal that can be output to a discrete output or a power switch. 173 + 175 175 To change the parameters of the generation high-current signal, select the "Control → High charging current (signal)" section: 176 176 177 177 [[image:1740396996935-403.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]] ... ... @@ -178,12 +178,12 @@ 178 178 179 179 In this section: 180 180 181 -* Enable – a flag to enable signal generation;182 -* Maximum charging current, А; 183 -* Tolerant charging current, А; 184 -* Delay before setting the signal, second; 185 -* Delay before clearing the signal, second; 186 -* Lock – lock the signal until the device is reset. 180 +* **Enable **– a flag to enable signal generation; 181 +* **Maximum charging current**, А; 182 +* **Tolerant charging current**, А; 183 +* **Delay before setting the signal**, second; 184 +* **Delay before clearing the signal**, second; 185 +* **Lock **– lock the signal until the device is reset. 187 187 188 188 Signal generation conditions: 189 189 ... ... @@ -193,16 +193,11 @@ 193 193 194 194 * the measured current is less than the “Tolerant charging current” value during the “Delay before clearing the signal” time. 195 195 196 -(% class="box infomessage" %) 197 -((( 198 -The "High charging current" signal is indicative and can be output to a discrete output or a power switch. 199 -))) 200 - 201 201 === Charge map === 202 202 203 203 The BMS Mini S / BMS Mini device calculates maximum allowable charge current values in respect to SOC, battery temperature, contactor temperature and cell voltage. 204 204 205 -Calculated current values are sen dingto a charger or an intellectual load over the CAN bus.199 +Calculated current values are sent to a charger or an intellectual load over the CAN bus. External devices based on received data provide correct battery operation. 206 206 207 207 To configure parameters for determining the charge current limit, select the "Control → Charge map" section: 208 208 ... ... @@ -209,17 +209,17 @@ 209 209 [[image:1740397188247-315.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="179" width="800"]] 210 210 In this section: 211 211 212 -* Enable – a flag to start calculation of the charge current limit; 213 -* Maximum charge current – a maximum allowable value of the charge current (under normal conditions), A;214 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;215 -* Option 1: Limit charge current by the battery SOC and temperature – a flag to enable correction of maximum allowable charging current** Kcs**depending on__maximum cell SOC__and battery temperature;216 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;217 -* 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: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;219 -* Option 3: Limit charge current by the maximum cell voltage -a flag to enable correction of maximum allowable charging current**Kcv**depending on__the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)220 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on maximum cell voltage;221 -* 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: Cell temperature x Factor – the dependence of the correction factor on maximum cell temperature.206 +* **Enable **– a flag to start calculation of the charge current limit; 207 +* **Maximum charge current** – a maximum allowable value of the charge current (under normal conditions), A; 208 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s; 209 +* **Option 1: Limit charge current by the battery SOC and temperature** – a flag to enable correction of maximum allowable charging current** Kcs** depending on __maximum cell SOC__ and battery temperature; 210 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature; 211 +* **Option 2: Limit charge current by the contactor temperature** – a flag to enable correction of maximum allowable charging current **Kcc** depending on contactor temperature; 212 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature; 213 +* **Option 3: Limit charge current by the maximum cell voltage** – a flag to enable correction of maximum allowable charging current **Kcv** depending on __the maximum cell U,,ocv,, voltage__ (corrected due to current and cell resistance) 214 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on maximum cell voltage; 215 +* **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; 216 +* **Option 4: Cell temperature x Factor** – the dependence of the correction factor on maximum cell temperature. 223 223 224 224 Value of the charge current limit at given SOC, temperature, contactors temperature, maximum cell voltage and maximum cell temperature is calculated as follows: 225 225 ... ... @@ -237,17 +237,17 @@ 237 237 238 238 In this section: 239 239 240 -* Enable – a flag to start calculation of the discharge current limit; 241 -* Maximum discharge current – a maximum allowable value of the discharge current (under normal conditions), A;242 -* Rate of change – a rate of change the current limit to a new value (0 is for immediate change), A/s;243 -* Option 1: Limit discharging current by the battery SOC and temperature – a flag to enable correction of maximum allowable discharging current**Kds **depending on__minimum cell SOC__and temperature;244 -* Option 1: SOC x Temperature x Factor – the dependence of the correction factor on SOC and battery temperature;245 -* 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: Contactor temperature x Factor – the dependence of the correction factor on SOC and contactor temperature;247 -* Option 3: Limit discharge current by the cell voltage -a flag to enable correction of maximum allowable discharging current**Kdv**depending on__the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance)248 -* Option 3: Cell voltage x Factor – the dependence of the correction factor on minimum cell voltage;249 -* 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: Cell voltage x Factor – the dependence of the correction factor on minimum cell temperature.234 +* **Enable **– a flag to start calculation of the discharge current limit; 235 +* **Maximum discharge current** – a maximum allowable value of the discharge current (under normal conditions), A; 236 +* **Rate of change** – a rate of change the current limit to a new value (0 is for immediate change), A/s; 237 +* **Option 1: Limit discharging current by the battery SOC and temperature** – a flag to enable correction of maximum allowable discharging current **Kds **depending on __minimum cell SOC__ and temperature; 238 +* **Option 1: SOC x Temperature x Factor** – the dependence of the correction factor on SOC and battery temperature; 239 +* **Option 2: Limit discharge current by the contactor temperature** – a flag to enable correction of maximum allowable discharging current **Kdc** depending on contactor temperature; 240 +* **Option 2: Contactor temperature x Factor** – the dependence of the correction factor on SOC and contactor temperature; 241 +* **Option 3: Limit discharge current by the cell voltage** – a flag to enable correction of maximum allowable discharging current **Kdv** depending on __the minimum cell U,,ocv,, voltage__ (corrected due to current and cell resistance) 242 +* **Option 3: Cell voltage x Factor** – the dependence of the correction factor on minimum cell voltage; 243 +* **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; 244 +* **Option 4: Cell voltage x Factor** – the dependence of the correction factor on minimum cell temperature. 251 251 252 252 Value of the discharge current limit at given SOC, temperature, contactors temperature, minimum cell voltage and maximum cell temperature is calculated as follows: 253 253 ... ... @@ -255,26 +255,23 @@ 255 255 256 256 === Main contactor === 257 257 258 -The BMS Mini S / 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 acase of sealing of the charging or discharging contactors.252 +The BMS Mini S / 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 case of sealing of the charging or discharging contactors. 259 259 260 260 The Main contactor algorithm supports the following modes: 261 261 262 -* Always on; 263 -* Automatic. 256 +In **“Always on”** mode main contactor closes if all the following is true: 264 264 265 -In “Always on” mode main contactor closes if all the following is true: 266 - 267 267 * Other contactors are open; 268 -* There are no errorsfrom the "Errors 1, 2 ..." bitfileds.259 +* There are __no errors__ from the "Errors 1, 2 ..." bitfileds. 269 269 270 - In “Always on” modemain contactor opens if all the following is true:261 +and opens if all the following is true: 271 271 272 272 * Other contactors are open; 273 -* There is an errorfrom the the "Errors 1, 2 ..." bitfileds.264 +* There is __an error__ from the the "Errors 1, 2 ..." bitfileds. 274 274 275 -In “Automatic”mode, the main contactor closes by internal algorithms at the same time with other contactors.266 +In **“Automatic”** mode, the main contactor closes by internal algorithms at the same time with other contactors. 276 276 277 -In “On demand”mode, the main contactor closes by external the “Close Main contactor” request.268 +In **“On demand”** mode, the main contactor closes by external the “Close Main contactor” request. 278 278 279 279 (% class="box infomessage" %) 280 280 ((( ... ... @@ -283,38 +283,38 @@ 283 283 284 284 To change the parameters of the main contactor, select the "Control → Main contactor" section: 285 285 286 -[[image:17 40397558976-651.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="144" width="800"]]277 +[[image:1777563933065-421.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="137" width="800"]] 287 287 288 288 In this section: 289 289 290 -* Enable – a flag to enable the main contactor control; 291 -* Algorithm – main contactor control algorithm:292 -** Always on – contactor is always closed;293 -** Automatic – contactor closes by internal charge and discharge algorithms;294 -** On demand – contactor is closed by an external request;295 -* Time to keep the contactor closed before closing the others – a time for other contactors to be open after the main contactor is closed;296 -* Delay before opening the contactor – a time which is used to detect conditions for opening the contactor, s;297 -* Keep the contactor open until the device is restarted – a flag for keeping the main contactor open until the system is reset;298 -* Errors 1, 2 to open the main contactor – bitfields to choose the errors which will open the main contactor.281 +* **Enable **– a flag to enable the main contactor control; 282 +* **Algorithm** – main contactor control algorithm: 283 +** **Always on** – contactor is always closed; 284 +** **Automatic** – contactor closes by internal charge and discharge algorithms; 285 +** **On demand** – contactor is closed by an external request; 286 +* **Time to keep the contactor closed before closing the others** – a time for other contactors to be open after the main contactor is closed; 287 +* **Delay before opening the contactor** – a time which is used to detect conditions for opening the contactor, s; 288 +* **Keep the contactor open until the device is restarted** – a flag for keeping the main contactor open until the system is reset; 289 +* **Errors 1, 2 to open the main contactor** – bitfields to choose the errors which will open the main contactor. 299 299 300 300 === Charging status === 301 301 302 302 To change the parameters of charging process status, select the "Control → Charging status" section: 303 303 304 - [[image:1762774819522-147.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="140" width="800"]]295 + 305 305 In this section: 306 306 307 -* Current to set the "Charging current present" – a current level to generate the "Charging current present" signal, A; 308 -* Current to clear the "Charging current present" – a current level to clear the "Charging current present" signal, A;309 -* Use actual voltage togeneratethe"Ready to charge" signal– aflagto disable voltagecorrectionfor"Ready to charge"signal;310 -* Use actual voltage togeneratethe"Ready to charge"signalifthe current isnegative–aflagtodisable voltagecorrectionfor"Ready to charge"signalonly atdischargingcurrent;311 -* Voltage toclear the“Ready to charge”– athresholdU,,ocv,, (corrected due tocurrent andcell resistance)voltagelevelon thecell, V; ifthe voltage of anycell is abovethis level, the “Ready to charge”(hence, the “Allow charging”)signalis cleared;312 -* Voltage toreset the “Readytocharge” –atolerantU,,ocv,, (correcteddueto currentandcell resistance)voltagelevelonthecell,V;if all cellvoltagesarebelowthe tolerantlevel, the “Ready to charge”(hence,the“Allowcharging”)signal is set;313 -* 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;314 -* Check the 'Charge current limit' value to generate the 'Ready to charge' – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal;315 -* Charge current limit to clear the 'Ready to charge' – a threshold charging current limit value, A; if the limit is//above //this level, the “Ready to charge” signal is cleared;316 -* Charge current limit to set the 'Ready to charge' – a tolerant charging current limit value, A; if the limit is//below //this level, the “Ready to charge” signal is set;317 -* Errors 1, 2 to clear the "Ready to charge" – bitfields to choose the errors which will clear the "Ready to charge" signal.298 +* **Current to set the "Charging current present"** – a current level to generate the "Charging current present" signal, A; 299 +* **Current to clear the "Charging current present"** – a current level to clear the "Charging current present" signal, A; 300 +* **Voltage to clear the “Ready to charge”** – a threshold U,,ocv,, (corrected due to current and cell resistance) voltage level on the cell, V; if the voltage of any cell is above this level, the “Ready to charge” (hence, the “Allow charging”) signal is cleared; 301 +* **Voltage to reset the “Ready to charge”** – a tolerant U,,ocv,, (corrected due to current and cell resistance) 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; 302 +* **Use actual voltage to generate the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal; 303 +* **Treat negative currents as zero currents for generating the "Ready to charge" signal** – a flag to disable voltage correction for "Ready to charge" signal at discharging current; 304 +* **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; 305 +* **Check the 'Charge current limit' value to generate the 'Ready to charge'** – a flag to enable check of "Charging current limit" to generate the "Ready to charge" signal; 306 +* **Charge current limit to clear the 'Ready to charge'** – a threshold charging current limit value, A; if the limit is //above //this level, the “Ready to charge” signal is cleared; 307 +* **Charge current limit to set the 'Ready to charge'** – a tolerant charging current limit value, A; if the limit is //below //this level, the “Ready to charge” signal is set; 308 +* **Errors 1, 2 to clear the "Ready to charge"** – bitfields to choose the errors which will clear the "Ready to charge" signal. 318 318 319 319 (% class="box infomessage" %) 320 320 (((
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