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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 12.18
edited by Admin
on 2025/02/11 16:38
Change comment: There is no comment for this version
To version 12.27
edited by Admin
on 2025/02/11 16:46
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -271,9 +271,8 @@
271 271  * Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals and behaves as Charging contactor if "Charging" signal is set, otherwise – as Discharging contactor;
272 272  * Independent - Charge/Discharge contactor is based on its own controller.
273 273  
274 +The device supports the following modes:
274 274  
275 -The device supports the following charging/discharging modes:
276 -
277 277  1. Charging/Discharging is always allowed (Always on) – the device ignores voltage and current unbalance of the battery modules and commands to close the discharging contactors of the battery modules and the main discharging contactor.
278 278  1. Charging/Discharging is allowed if all battery modules are balanced (Balanced).
279 279  1. Charging/Discharging is allowed for most balanced battery modules (Partially balanced). Unbalanced modules are disconnected from the common bus and do not participate in the discharging.
... ... @@ -282,22 +282,24 @@
282 282  
283 283  The operation of the **joining battery modules** depends on the signal received:
284 284  
285 -* If "Join to charge" is received, joining procedure is
284 +* If "Join to charge" is received, joining procedure is done as described in [[Charge>>doc:||anchor="HCharge"]] section;
285 +* If "Join to discharge" is received, joining procedure is done as described in [[Discharge>>doc:||anchor="HDischarge"]] section;
286 +* If both signals received, "Join to charge" has a priority.
286 286  
287 287  The operation of **closing main charging/discharging contactor **depends on the signal received:
288 288  
289 -If "Charge request" is received, joining procedure is
290 +* If "Charge request" is received, procedure is done as described in [[Charge>>doc:||anchor="HCharge"]] section;
291 +* If "Discharge request" is received, procedure is done as described in [[Discharge>>doc:||anchor="HDischarge"]] section;
292 +* If both signals received, "Charge request" has a priority.
290 290  
291 -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.
292 -1. Closing the main precharging contactor (optional). Go to step 3.
293 -1. Closing the main discharging contactor "Discharging". Go to step 4.
294 -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.
295 295  
296 296  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".
297 297  
298 298  
299 -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.
298 +In addition to controlling the charge/discharge contactor, 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:
300 300  
300 +* "Charge current limit" and "Regeneration current limit" are calculated only if there is "Charge request";
301 +* "Discharge current limit" is calculated only if there is "Discharge request".
301 301  
302 302  The charge/discharge contactor control is configured in the “Control → Charge/Discharge” section:
303 303