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Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 28.1
edited by Admin
on 2024/12/25 11:45
Change comment: There is no comment for this version
To version 28.3
edited by Admin
on 2024/12/26 10:40
Change comment: There is no comment for this version

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394 394  
395 395  The BMS Main 3 device can control the precharge contactor. The precharge contactor is used to charge the intermediate capacity with low current and usually placed with the limiting resistor in parallel to charging or discharging contactor.
396 396  
397 -BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors.
397 +BMS Main 3 device detects errors while pre-charging the load capacity by monitoring the current and voltage difference before and after contactors. Also BMS can measure the power dissipated on precharge resistor and generate an error if it greater than configured limit.
398 398  
399 399  To change the parameters of precharge contactor, select the "Control → Precharge" section:
400 400  
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578 578  
579 579  * Dependent (on Charging and Discharging signals) - 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;
580 580  * Independent (Always) - Charge/Discharge contactor is always closed if there is no errors;
581 -* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests.
581 +* Independent (on Charge request or Discharge request) - Charge/Discharge contactor is based on its own controller that listen to Charge and Discharge requests and closes if one of these signals occurs.
582 582  
583 583  The charging/discharging contactor control is configured in the “Control – Charge/Discharge” section:
584 584  
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674 674  * Minimum cell voltage to start balancing, V;
675 675  * Voltage deviation to start balancing;
676 676  * Voltage deviation to stop balancing;
677 -* Voltage for forced balancing – if cell voltage is above this value, it will discharge through balancing resistor;
677 +* Voltage for forced balancing – if cell voltage is above this value, it will start discharge through balancing resistor;
678 678  * Maximum allowable temperature of BMS Logic devices, ºC;
679 679  * Command to discharge all cells – a flag to force the balancing of all cells.
680 680