Changes for page 3.3 Control
Last modified by Admin on 2026/04/30 15:56
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... ... @@ -98,7 +98,7 @@ 98 98 99 99 In **"By effective capacity" **mode SOH is calculated as a ratio of effective capacity to nominal capacity. Effective capacity is estimated to DOD value when battery SOC reaches 0%, so SOH is recalculated each full battery discharge. 100 100 101 -In** 101 +In** "By total charge–"** mode SOH is calculated as a linear function of "Total charge-" counter. While "Total charge-" constantly increases during battery operation, SOH will be linearly decrease at the same time. This mode requires a confirmed data about cell health depending of amount of discharge rate to configure the linear function. 102 102 103 103 To configure parameters for battery state of health calculation, select the "Control → SOH correction" section: 104 104 ... ... @@ -625,7 +625,7 @@ 625 625 626 626 Balancing makes the voltage of all cells equal to the minimum cell voltage. 627 627 628 -The following balancing rules are supported: 628 +The following **balancing rules** are supported: 629 629 630 630 * when the battery is charging (current I > 0) and time after until the battery is relaxed; 631 631 * when the battery is charging (current I > 0) or when the battery is in a state of relaxation; ... ... @@ -646,9 +646,9 @@ 646 646 If the “High logic temperature” occurs, then the balancing of the cells connected to the overheated BMS Logic device will not be performed. 647 647 ))) 648 648 649 -The BMS Main 3 can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold. 649 +The BMS Main 3 / BMS Main 2R can enable the cell balancing by the external “Balancing request” signal. Balancing process will be started to cells which the voltage is higher than the balancing start voltage and the difference between the cell voltage and the minimum voltage among all the cells is greater than the balancing stop threshold. 650 650 651 -BMS Main 3 can force a cell balancing, if its voltage is higher than estimated value. 651 +BMS Main 3 / BMS Main 2R can force a cell balancing, if its voltage is higher than estimated value. 652 652 653 653 To change the cell balancing parameters, select the "Control → Cell balancing" section: 654 654 ... ... @@ -657,23 +657,24 @@ 657 657 In this section: 658 658 659 659 * **Enable **– a flag to enable cell balancing; 660 -* Balancing rule: 661 -** Balance on charge – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states); 662 -** Balance on charge or relaxed - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states); 663 -** Balance always – balancing is always performed regardless the battery state; 664 -* Balancing condition: 665 -** Automatic – balancing will be performed automatically if needed conditions are met; 666 -** On balancing request – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value; 667 -* Minimum cell voltage to start balancing, V; 668 -* Voltage deviation to start balancing; 669 -* Voltage deviation to stop balancing; 670 -* Voltage for forced balancing – if cell voltage is above this value, it will start discharging through balancing resistor; 671 -* Maximum allowable temperature of BMS Logic devices, ºC; 672 -* Command to discharge all cells – a flag to force the balancing of all cells. 660 +* **Balancing rule**: 661 +** **Balance on charge** – balancing is performed while and after the charging (in the “Charge ON” and “Charge OFF” states); 662 +** **Balance on charge or relaxed** - balancing is performed while and after the charging and in the relaxed state (in “Charge ON”, “Charge OFF”, “Relaxed (after charging)” and “Relaxed (after discharging)” states); 663 +** **Balance always** – balancing is always performed regardless the battery state; 664 +* **Balancing condition**: 665 +** **Automatic **– balancing will be performed automatically if needed conditions are met; 666 +** **On balancing request** – balancing will start only if a remote request is received. In this case cells will start to balance regardless the "Voltage deviation to start balancing" value; 667 +* **Minimum cell voltage to start balancing**, V; 668 +* **Voltage deviation to start balancing**; 669 +* **Voltage deviation to stop balancing**; 670 +* **Voltage to start forced balancing** – if cell voltage is above this value, it will start discharging through balancing resistor; 671 +* **Voltage to stop forced balancing** – if cell voltage is below this value, it will stop discharging through balancing resistor; 672 +* **Maximum allowable temperature of BMS Logic devices**, ºC; 673 +* **Command to discharge all cells** – a flag to force the balancing of all cells. 673 673 674 674 === Series balancing === 675 675 676 -The BMS Main 3 device supports work with two independent (galvanically unrelated) cell series. To monitor the status of two series, two current sensors are used. A series of cells must be equivalent: they must have the same number of cells and the same capacity. 677 +The BMS Main 3 / BMS Main 2R device supports work with two independent (galvanically unrelated) cell series. To monitor the status of two series, two current sensors are used. A series of cells must be equivalent: they must have the same number of cells and the same capacity. 677 677 678 678 Since the series of cells can operate at different loads, they must be balanced. For this, the BMS Main 3 provides two signals to power switches: “Balancing series 1” and “Balancing series 2”, as well as a combined algorithm that considers both the voltage of each series and the charge that these series gave load. The “Balancing series 1” and “Balancing series 2” signals are used to connect high-power balancing resistors in parallel with cell series 1 and 2. 679 679 ... ... @@ -690,17 +690,17 @@ 690 690 691 691 In this section: 692 692 693 -* Enable – a flag to enable series balancing; 694 -* Number of Logics in a series; 695 -* Minimum series voltage to start balancing, V; 696 -* Balancing threshold, V; 697 -* Coulomb threshold – the difference of the charges Qthr, given by a series of cells, above which balancing to be started, Ah; 698 -* Period – a period to reset of charge counters for each series (to avoid accumulation of error), second; 699 -* Do not sum series voltages – a flag to disable the summing of series voltages. 3694 +* **Enable **– a flag to enable series balancing; 695 +* **Number of Logics in a series**; 696 +* **Minimum series voltage to start balancing**, V; 697 +* **Balancing threshold**, V; 698 +* **Coulomb threshold** – the difference of the charges Qthr, given by a series of cells, above which balancing to be started, Ah; 699 +* **Period **– a period to reset of charge counters for each series (to avoid accumulation of error), second; 700 +* **Do not sum series voltages** – a flag to disable the summing of series voltages. 700 700 701 701 === Power down === 702 702 703 -The BMS Main 3 device can shut down itself if the battery voltage is low or the battery is idle for a long time. 704 +The BMS Main 3 / BMS Main 2R device can shut down itself if the battery voltage is low or the battery is idle for a long time. 704 704 705 705 Shutting down the battery system is performed according to the following conditions: 706 706 ... ... @@ -715,7 +715,7 @@ 715 715 716 716 In this section: 717 717 718 -* Minimum voltage to power down – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V; 719 +* **Minimum voltage to power down** – a minimum voltage level of the battery below which the BMS commands to shut down the battery, V; 719 719 * Idle time to power down – a time of battery inactivity after which the battery is shut down, minute; 720 720 * 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. 721 721 * Power down if KEYRUN and CHARGE_ON are cleared – a flag to power down the device if KEYRUN and CHARGE_ON signals are cleared;