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Changes for page 3.3 Control

Last modified by Admin on 2025/06/11 15:52
From version 9.2
edited by Admin
on 2025/02/28 13:39
Change comment: There is no comment for this version
To version 10.3
edited by Admin
on 2025/02/28 13:43
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -115,8 +115,6 @@
115 115  In this section:
116 116  
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 -* 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 -* 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";
121 121  * 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;
... ... @@ -134,7 +134,10 @@
134 134  * voltages before and after contactors are not equal during the "Precharge time" after "Number of precharging attempts";
135 135  * power dissipated on the precharge resistor is above the maximum value during the “Delay before setting the 'Precharge error' when checking power” time.
136 136  
135 +(% class="box warningmessage" %)
136 +(((
137 137  Behavior of contactors at “Precharge error” is configured in corresponding contactor settings!
138 +)))
138 138  
139 139  === Charge ===
140 140  
... ... @@ -146,10 +146,10 @@
146 146  1. Charging is allowed provided that all battery modules are balanced (Balanced).
147 147  1. Charging is allowed for most balanced battery modules (Partially balanced). Unbalanced modules are disconnected from the common bus and do not participate in the charging.
148 148  
149 -The device controls two processes: joining battery modules and closing the main charging contactor.
150 +The device controls two processes: **joining battery modules **and **closing the main charging contactor.**
150 150  
151 151  
152 -The operation of the joining battery modules is described by the following steps:
153 +The operation of the **joining battery modules** is described by the following steps:
153 153  
154 154  1. Battery modules are disabled. When the “Join to charge” request is received and the voltage and current unbalance errors (Voltage unbalance (CH), Current unbalance (CH), Charging current unbalance) are cleared, go to step 2.
155 155  1. Checking the voltage unbalance of battery modules (the duration of the check is set in the settings). If there is no imbalance or errors are ignored (“Always on” and “Partially balanced”), go to step 3, otherwise open all charging contactors, and go to step 1.
... ... @@ -158,7 +158,7 @@
158 158  1. Checking intermodular balancing currents (the duration of the check is set in the settings). If there is no current unbalance (“Current unbalance (CH)”) or errors are ignored (“Always on”), go to step 6, otherwise open all charging contactors, and go to step 1.
159 159  1. The battery modules are joined. If the “Join to charge” request is cleared or the "Charging current unbalance" and "Critical error" errors occur, go to step 1.
160 160  
161 -The operation of the main charging contactor is described in the following steps:
162 +The operation of **closing the main charging contactor** is described in the following steps:
162 162  
163 163  1. The main charging contactor is open. When the “Charge request” is received, the voltage and current unbalance errors (“Voltage unbalance (CH)”, “Current unbalance (CH)”, “Charging current unbalance”) are cleared, and the battery modules are joined, go to step 2.
164 164  1. Closing the main precharging contactor (optional). Go to step 3.
... ... @@ -167,13 +167,11 @@
167 167  
168 168  The command to turn on the main charging contactor (“Charging”) can be issued both to the upper-level system via the CAN bus (external), and on the opto-relay of the device that serves to directly control the main charging contactor.
169 169  
170 -
171 171  In addition to controlling the charging contactors, the charge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to charge the modular battery (“Charge current limit”). The calculation of the charging current of the entire battery is performed based on the number of battery modules operating per charge and the values of the current limits transmitted by them.
172 172  
173 -
174 174  The battery charge management is configured in the "Control - Charge" section:
175 175  
176 -[[image:1734356553573-447.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="146" width="600"]]
175 +[[image:1740750130950-113.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="219" width="800"]]
177 177  
178 178  In this section:
179 179  
... ... @@ -182,19 +182,20 @@
182 182  ** Always on – charging is always allowed;
183 183  ** Balanced – charging is allowed provided that all battery modules are balanced;
184 184  ** Partially balanced – charging is allowed for most balanced battery modules;
185 -* Current corresponding to charging – a current level to set the "Charging current present" signal, A;
186 -* Current corresponding to no charging – a current level to clear the "Charging current present" signal, A;
187 -* Maximum current to rejoin modules – a maximum allowable current at which rejoining of battery modules is allowed, A;
188 -* Checking voltages time – a time of checking voltages of battery modules, ms;
189 -* Pre-balancing modules time – a time of pre-charging battery modules, ms;
190 -* Balancing modules time – a time of balancing battery modules, ms;
191 -* Control the precharging relay – a flag to control the main precharging contactor;
192 -* Precharging time – a time of precharging, ms;
193 -* Cancel charging without a delay;
184 +* Minimum number of modules allowed to join – a minimum number of battery modules that can be connected in parallel;
185 +* Allowable battery current to rejoin modules – a battery current at which joining of battery modules is permitted, A;
186 +* 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;
187 +* Checking voltages time – a time of checking voltages of battery modules before starting joining modules, millisecond;
188 +* Balancing modules time – a time of balancing battery modules after joining modules and before closing main charging contactor, millisecond;
189 +* Control the precharging contactor – a flag to control the main precharging contactor;
194 194  * Canceling charging time – a delay before opening the main charging contactor, ms;
195 -* Limit charging 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;
196 -* Slew rate – a rate of change of the charge current limit when the “Limit charging current” flag is set, А/s;
197 -* Disconnect modules not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
191 +* Disconnect modules that are not ready to charge – a flag for disconnecting modules that have the “Ready to charge” signal cleared.
192 +* 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;
193 +* Join modules on the “Charge request” signal – a flag to enable automatic modules joining if “Charge request” signal appears;
194 +* Maximum charge current limit – a maximum allowed charging current of all battery, A;
195 +* Errors to disconnect all battery modules – errors that cause all battery modules to be disconnected from the common bus;
196 +* Errors to open the charging contactor – errors that cause the main charging contactor "Charging" to open;
197 +* Switch of the charging contactor on errors without a delay – a flag that allows the main charging contactor “Charging” to be opened without delay if errors are detected.
198 198  
199 199  === Discharge ===
200 200  
... ... @@ -206,10 +206,10 @@
206 206  1. Discharging is allowed provided that all battery modules are balanced (Balanced).
207 207  1. 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.
208 208  
209 -The device controls two processes: joining battery modules and closing the main discharging contactor.
209 +The device controls two processes: **joining battery modules** and **closing the main discharging contactor**.
210 210  
211 211  
212 -The operation of the joining battery modules is described by the following steps:
212 +The operation of the** joining battery modules** is described by the following steps:
213 213  
214 214  1. Battery modules are disabled. When the “Join to discharge” request is received and the voltage and current unbalance errors (Voltage unbalance (DCH), Current unbalance (DCH), Discharging current unbalance) are cleared, go to step 2.
215 215  1. Checking the voltage unbalance of battery modules (the duration of the check is set in the settings). If there is no imbalance or errors are ignored (“Always on” and “Partially balanced”), go to step 3, otherwise open all discharging contactors, and go to step 1.
... ... @@ -218,7 +218,7 @@
218 218  1. Checking intermodular balancing currents (the duration of the check is set in the settings). If there is no current unbalance (“Current unbalance (DCH)”) or errors are ignored (“Always on”), go to step 6, otherwise open all discharging contactors, and go to step 1.
219 219  1. The battery modules are joined. If the “Join to discharge” request is cleared or "Discharging current unbalance" and "Critical error" errors occur, go to step 1.
220 220  
221 -The operation of the main discharging contactor is described in the following steps:
221 +The operation of **closing the main discharging contactor **is described in the following steps:
222 222  
223 223  1. The main discharging contactor 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.
224 224  1. Closing the main precharging contactor (optional). Go to step 3.
... ... @@ -227,13 +227,10 @@
227 227  
228 228  The command to turn on the main discharging contactor (“Discharging”) can be issued both to the upper-level system via the CAN bus (external), and on the opto-relay of the device that serves to directly control the main discharging contactor.
229 229  
230 -
231 231  In addition to controlling the discharging contactors, the discharge controller calculates and transmits to the upper-level system the value of the maximum allowable current, which can be used to discharge the modular battery (“Discharge current limit”). The calculation of the discharging current of the entire battery is performed based on the number of battery modules operating per discharge and the values of the current limits transmitted by them.
232 232  
233 -
234 234  The battery discharge management is configured in the "Control - Discharge" section:
235 235  
236 -[[image:1734356572308-630.png||data-xwiki-image-style-alignment="center" data-xwiki-image-style-border="true" height="139" width="600"]]
237 237  
238 238  In this section:
239 239  
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