Skip to Content

Changes for page 3.3 Control

Last modified by Admin on 2025/05/30 16:50
From version 6.4
edited by Admin
on 2025/01/28 16:06
Change comment: There is no comment for this version
To version 9.2
edited by Admin
on 2025/01/28 16:18
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -55,13 +55,12 @@
55 55  The Main contactor algorithm supports the following modes:
56 56  
57 57  * Always on;
58 -* Automatic, when the main contactor closes by the internal charging and discharging algorithms at the same time with Precharging, Charging and Discharging contactors.
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 60  In “Always on” mode, the main contactor closes if all the following is true:
61 61  
62 62  * “Charging” contactor is open;
63 63  * “Discharging” contactor is open;
64 -
65 65  * there are no errors.
66 66  
67 67  In “Always on” mode, the main contactor opens if “Charging” and “Discharging” contactors are open and any of the following is true:
... ... @@ -111,14 +111,33 @@
111 111  
112 112  To change the precharge parameters, select the section “Control → Precharge”:
113 113  
114 -[[image:1734089664376-736.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="56" width="600"]]
113 +[[image:1738080762857-975.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="108" width="600"]]In this section:
115 115  
116 -In this section:
117 117  
118 118  * 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;
119 119  * 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;
120 -* Minimum voltage difference to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V.
118 +* Minimum voltage difference before and after contactors to finish precharging – a minimum voltage difference before and after contactors to ensure precharge process finished, V;
119 +* Number of precharging attempts – maximum number of precharging attempts before setting the "Precharge error";
120 +* Precharge time – a duration of closing the precharge contactor before closing the discharging contactor, millisecond;
121 +* Relaxation between attempts – a duration between precharge attempts, millisecond;
122 +* Check the power dissipated in the preacharge resistor - a flag to enable the calculation of power dissipated in precharge resistor;
123 +* Precharge resistor resistance, Ohm;
124 +* Maximum allowable power dissipated in the resistor, W;
125 +* Delay before setting the "Precharge error" when checking power, millisecond;
126 +* Delay before clearing the "Precharge error", second;
127 +* Lock the "Precharge error" – a flag to block the error until the device is restarted.
121 121  
129 +“Precharge error” generation conditions:
130 +
131 +* the precharge current does not decrease after "Number of precharging attempts";
132 +* voltages before and after contactors are not equal after "Number of precharging attempts";
133 +* power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
134 +
135 +(% class="box warningmessage" %)
136 +(((
137 +Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
138 +)))
139 +
122 122  === Charge ===
123 123  
124 124  The BMS Main 3X device manages the parallel connection of the battery modules and the connection of the battery to the charging circuit.
... ... @@ -156,7 +156,7 @@
156 156  
157 157  The battery charge management is configured in the "Control → Charge" section:
158 158  
159 -[[image:1734089684907-463.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="180" width="600"]]
177 +[[image:1738081025199-282.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="162" width="600"]]
160 160  
161 161  In this section:
162 162  
... ... @@ -169,16 +169,13 @@
169 169  * Allowable battery current to rejoin modules – a battery current at which joining of battery modules is permitted, A;
170 170  * Allowable voltage difference to rejoin modules – a difference between the voltage of the disconnected module and the battery voltage at which its joining is permitted, V;
171 171  * Checking voltages time – a time of checking voltages of battery modules, millisecond;
172 -* Pre-balancing modules time – a time of pre-charging battery modules, millisecond;
173 173  * Balancing modules time – a time of balancing battery modules, millisecond;
174 174  * Control the precharging contactor – a flag to control the main precharging contactor;
175 -* Precharging time – a time of precharging, millisecond;
176 176  * Canceling charging time – a delay before opening the main charging contactor, ms;
177 -* Limit module current – a flag that allows to limit the charging current of a modular battery so that the current of each battery module does not exceed its maximum allowable charge current;
178 -* Slew rate – a rate of change of the charge current limit when the “Limit module current” flag is set, A/s;
179 179  * Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
180 180  * 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;
181 181  * Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears;
196 +* Maximum CONTINUOUS charge current limit – a maximum continuous allowed charging current of all battery, A;
182 182  * Maximum charge current limit – a maximum allowed charging current of all battery, A;
183 183  * Errors 1 (2) to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
184 184  * Errors 1 (2) to open the charging contactor – errors that cause the main charging contactor "Charging" to open;
1738080723625-718.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +36.2 KB
Content
1738080762857-975.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +36.0 KB
Content
1738081025199-282.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.admin
Size
... ... @@ -1,0 +1,1 @@
1 +48.3 KB
Content