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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 7.2
edited by Admin
on 2025/01/28 16:12
Change comment: There is no comment for this version

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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:
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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"]]
115 -
116 116  In this section:
117 117  
115 +
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.
128 +* (((
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.
121 121  
122 122  === Charge ===
123 123  
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