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Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 27.1
edited by Admin
on 2025/02/19 16:26
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To version 15.1
edited by Admin
on 2025/02/19 13:00
Change comment: Uploaded new attachment "1739970002016-142.png", version {1}

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18 18  
19 19  Flags for enabling battery modules are configured in the "Control → Modules → Enable (modules 1 to 8)" and "Control → Modules → Enable (modules 9 to 32)" section:
20 20  
21 +[[image:1734023979582-179.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="165" width="600"]]
21 21  
22 -[[image:1739976358691-364.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="164" width="600"]]
23 23  The network addresses of the battery modules are configured in the "Control → Modules → Node IDs (modules 1 to 8)” and "Control → Modules → Node IDs (modules 9 to 32)”:
24 24  
25 +[[image:1734023979583-589.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="186" width="600"]]
25 25  
26 -[[image:1739976370994-390.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="167" width="600"]]
27 27  Each module in a battery must have a unique address. You can change the address in the battery module settings in the “Connectivity → CAN” section of the BMS Main 3 settings.
28 28  
29 -In corresponding section you can set up minimum number of found modules to finish initialization.
29 +In corresponding section you can set up maximum number of found modules to finish initialization.
30 30  
31 31  === Calculation of battery parameters ===
32 32  
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57 57  * Always on;
58 58  * Automatic, when the main contactor closes by the internal charging and discharging algorithms at the same time with Precharging, Charging, Discharging and Charging/Discharging contactors.
59 59  
60 -In “Always on” mode main contactor closes if all the following is true:
60 +In “Always on” mode, the main contactor closes if all the following is true:
61 61  
62 -* Other contactors are open;
63 -* There are no errors from the "Errors 1, 2 ..." bitfileds.
62 +* “Charging” contactor is open;
63 +* “Discharging” contactor is open;
64 +* there are no errors.
64 64  
65 -In “Always on” mode main contactor opens if all the following is true:
66 +In “Always on” mode, the main contactor opens if “Charging” and “Discharging” contactors are open and any of the following is true:
66 66  
67 -* Other contactors are open;
68 -* There is an error from the the "Errors 1, 2 ..." bitfileds.
68 +* “Charging current present” is set;
69 +* “Discharging current present” is set;
70 +* one or more errors persist.
69 69  
70 -In “Automatic” mode, the main contactor closes by internal algorithms at the same time with other contactors.
71 -
72 72  To change the parameters of the main contactor, select the "Control → Main contactor" section:
73 73  
74 74  [[image:1734024131196-608.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="94" width="600"]]
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110 110  
111 111  To change the precharge parameters, select the section “Control → Precharge”:
112 112  
113 -[[image:1739970002016-142.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="119" width="600"]]
114 -
115 115  In this section:
116 116  
115 +[[image:1739290619354-792.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="117" width="600"]]
116 +
117 117  * Precharge current threshold to close the discharging contactor – a current value to ensure that precharge process has finished and it is allowed to close the discharging contactor, A;
118 118  * Check voltages before and after contactors to finish precharging – a flag to check the voltages before and after contactors to ensure that precharge process has finished and it is allowed to close the discharging contactor;
119 119  * Minimum voltage difference before and after contactors to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V;
120 120  * Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
121 -* Delay before current measurement – a delay before first current measurement after closing precharge, millisecond;
122 122  * Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
123 123  * Relaxation between attempts – a duration between precharge attempts, millisecond;
124 124  * Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
... ... @@ -272,12 +272,6 @@
272 272  * 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;
273 273  * Independent - Charge/Discharge contactor is based on its own controller.
274 274  
275 -(% class="box warningmessage" %)
276 -(((
277 -**Warning!**
278 -Charge/Discharge algorithms on BMS Main 3X and on battery modules controllers must **be the same**!
279 -)))
280 -
281 281  The charging/discharging controller supports the following modes:
282 282  
283 283  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.
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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  
294 +
301 301  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:
302 302  
303 303  * "Charge current limit" and "Regeneration current limit" are calculated only if there is "Charge request";
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310 310  In this section:
311 311  
312 312  * Enable – a flag to enable battery charge/discharge controller;
313 -* Mode:
314 -** Dependent - Charge/Discharge contactor depends on Charge and Discharge algorithms and their signals;
315 -** Independent - Charge/Discharge contactor is based on its own controller.
316 316  * Algorithm:
317 317  ** Always on – discharging is always allowed;
318 318  ** Balanced – discharging is allowed provided that all battery modules are balanced;
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