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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 28.1
edited by Admin
on 2025/02/19 16:36
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To version 35.7
edited by Admin
on 2025/03/20 12:59
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10 10  
11 11  [[image:1734023979572-693.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="79" width="600"]]
12 12  
13 +In this section:
14 +
13 13  * Initialization delay – a delay before processing functions after finishing device initialization (initialization includes current sensors calibration and battery modules search), millisecond.
14 14  
15 15  === Battery modules ===
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163 163  
164 164  The operation of** closing main charging contactor** is described in the following steps:
165 165  
166 -1. The main charging contactor “Charging” is open. When the “Charge request” is received, the voltage and current unbalance errors (“Voltage unbalance (CH)”, “Current unbalance (CH)”, “Charging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
168 +1. The main charging contactor “Charging” is open. When the “Charge request” is received, there are no errors from the "Errors 1, 2 ..." bitfields, and the battery modules are joined, go to step 2.
167 167  1. Closing the main precharging contactor “Precharging” (optional). Go to step 3.
168 168  1. Closing the main charging contactor "Charging". Go to step 4.
169 169  1. The main charging contactor “Charging” is closed. If the "Charge request" is cleared, the battery modules are disconnected, or errors occur, go to step 1.
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171 171  The command to turn on the main charging contactor "Charging" can be issued either to the upper-level system via the CAN1 (ext) bus, or to the intelligent switch of the device, which serves for direct control of the main charging contactor "Charging".
172 172  
173 173  
174 -In addition to controlling the charging contactors, the charge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to charge the modular battery (“Charge current limit”). The calculation of the charging current of the entire battery is performed based on the number of battery modules operating per charge and the values of the current limits transmitted by them.
176 +In addition to controlling the charging contactors, the charge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to charge the modular battery (“Charge current limit”). The calculation of the charging current of the entire battery is performed based on the number of battery modules operating per charge and the values of the current limits transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
175 175  
176 176  
177 177  The battery charge management is configured in the "Control → Charge" section:
178 178  
179 -[[image:1738081025199-282.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="600"]]
181 +[[image:1742473171584-412.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="209" width="600"]]
180 180  
181 181  In this section:
182 182  
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195 195  * Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
196 196  * Disconnect all modules if one is not ready to charge – a flag for disconnecting all modules if any of the modules have the “Ready to charge” signal cleared;
197 197  * Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears;
200 +* Regula
198 198  * Maximum CONTINUOUS charge current limit – a maximum continuous allowed charging current of all battery, A;
199 199  * Maximum charge current limit – a maximum allowed charging current of all battery, A;
200 200  * Errors 1 (2) to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
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225 225  
226 226  The operation of **closing main discharging contactor** is described in the following steps:
227 227  
228 -1. The main discharging contactor “Discharging” is open. When the “Discharge request” is received, the voltage and current unbalance errors (“Voltage unbalance (DCH)”, “Current unbalance (DCH)”, “Discharging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
231 +1. The main discharging contactor “Discharging” is open. When the “Discharge request” is received, there are no errors from the "Errors 1, 2 ..." bitfields, and the battery modules are joined, go to step 2.
229 229  1. Closing the main precharging contactor (optional). Go to step 3.
230 230  1. Closing the main discharging contactor "Discharging". Go to step 4.
231 231  1. The main discharging contactor “Discharging” is closed. If the "Discharge request" is cleared, the battery modules are disconnected, or errors occur, go to step 1.
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233 233  The command to turn on the main charging contactor "Discharging" can be issued either to the upper-level system via the CAN1 (ext) bus, or to the intelligent switch of the device, which serves for direct control of the main discharging contactor "Discharging".
234 234  
235 235  
236 -In addition to controlling the discharge contactors, the discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the discharge current and regeneration current of the entire battery is performed based on the number of battery modules operating for discharge and the maximum discharge and charge current values ​​transmitted by them.
239 +In addition to controlling the discharge contactors, the discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the discharge current and regeneration current of the entire battery is performed based on the number of battery modules operating for discharge and the maximum discharge and charge current values ​​transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
237 237  
238 238  
239 239  The battery discharge management is configured in the "Control → Discharge" section:
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298 298  * If "Discharge request" is received, procedure is done as described in [[Discharge>>doc:||anchor="HDischarge"]] section;
299 299  * If both signals received, "Charge request" has a priority.
300 300  
301 -In addition, the charge/discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be charged ("Charge current limit") and discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the charge, discharge and regeneration currents of the entire battery is performed based on the number of battery modules operating for charge or discharge and the maximum charge and discharge current values ​​transmitted by them:
304 +In addition, the charge/discharge controller calculates and transmits to the upper-level system the maximum allowable current value with which the modular battery can be charged ("Charge current limit") and discharged ("Discharge current limit"), as well as the maximum regeneration current value with which the modular battery can be charged during operation under load ("Regeneration current limit"). The calculation of the charge, discharge and regeneration currents of the entire battery is performed based on the number of battery modules operating for charge or discharge and the maximum charge and discharge current values ​​transmitted by them – total current takes equal to minimum current limit among the modules times the number of modules. Also there is an ability to regulate the total curent such way that each module current does not exceed its current limit.
302 302  
303 303  * "Charge current limit" and "Regeneration current limit" are calculated only if there is "Charge request";
304 304  * "Discharge current limit" is calculated only if there is "Discharge request".
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353 353  * Balance on charging – a flag to enable module balancing when the battery is charging;
354 354  * Delta voltage – a voltage difference at which the most charged modules are switched off (those modules whose voltage exceeds the minimum voltage among the modules by the “Delta voltage” value are switched off), V;
355 355  * Delta current – a current difference at which the most charged modules are switched off (those modules are switched off, the charge current of which is less than the maximum charge current among the modules by the “Delta current” value), A;
359 +* Detection time – a time for module to be estimated as unbalanced, millisecond;
356 356  * Waiting time – a time the battery modules are in the disconnected state (after this time, the modules previously disconnected during the balancing process are reconnected to the common bus), second;
357 357  * Balance on discharging – a flag to enable module balancing when the battery is discharging (if flag is enabled operation logic and settings are equal to balancing on charging);
358 358  * Required discharging current – a value of the discharge current at which the device switches off the most discharged battery modules, A.
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