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Changes for page 3.6 Battery protection

Last modified by Admin on 2025/04/09 12:25
From version 2.2
edited by Admin
on 2024/11/21 18:00
Change comment: There is no comment for this version
To version 4.6
edited by Admin
on 2024/11/21 18:09
Change comment: There is no comment for this version

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4 4  
5 5  To change the current protection of the battery, select the menu "Protections → Overcurrent protection":
6 6  
7 -[[image:1732211959984-118.png]]
7 +[[Overcurrent protection settings>>image:1732211959984-118.png||data-xwiki-image-style-alignment="center" height="266" width="386"]]
8 +
9 +
10 +In this section:
11 +
12 +* Enable – a flag to enable the protection;
13 +* Maximum charging current, А;
14 +* Tolerant charging current, А;
15 +* Maximum discharging current, А;
16 +* Tolerant discharging current, А;
17 +* Delay before setting the error, second;
18 +* Delay before clearing the error, second;
19 +* Lock the error until the device is reset – a flag to block the error until the board is restarted.
20 +
21 +As a result of operation of the current protection, the "Overcurrent" error is generated.
22 +
23 +Error generation conditions:
24 +
25 +* the current is positive (charging), and its modulo value is greater than the “Maximum charging current” value for the “Delay before setting the error” time;
26 +* the current is negative (discharging), and its modulo value is greater than the “Maximum discharging current” value for the “Delay before setting the error” time.
27 +
28 +Conditions for removing the error:
29 +
30 +* the current is positive (charging) or zero, and its modulo value is less than the “Tolerant charging current” value for the “Delay before clearing the error” time;
31 +* the current is negative (discharging), and its modulo value is less than the “Tolerant discharging current” value for the “Delay before clearing the error” time.
32 +
33 +(% class="box infomessage" %)
34 +(((
35 +If there is the "Overcurrent" error, the charging relay and discharging relay open.
36 +)))
37 +
38 +== 3.6.2 Undervoltage protection ==
39 +
40 +The board implements battery protection from too low or too high voltage on the cells.
41 +
42 +To change the battery protection parameters from low voltage on the cells, select the menu "Protections → Undervoltage protection":
43 +
44 +[[Undervoltage protection settings>>image:1732212212350-294.png||data-xwiki-image-style-alignment="center" height="207" width="359"]]
45 +
46 + In this section:
47 +
48 +* Enable – a flag to enable the protection;
49 +* Minimum cell voltage, V;
50 +* Tolerant cell voltage, V;
51 +* Delay before setting the error, second;
52 +* Delay before clearing the error, second;
53 +* Lock the error until the device is reset.
54 +
55 +As a result of the operation of battery protection from low voltage, the "Undervoltage" error is generated.
56 +
57 +Error generation conditions:
58 +
59 +* the minimum voltage among all cells of the battery is less than the “Minimum cell voltage” value for the “Delay before setting the error” time.
60 +
61 +Conditions for removing the error:
62 +
63 +* the minimum voltage among all cells of the battery is greater than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
64 +
65 +(% class="box infomessage" %)
66 +(((
67 +If there is the "Undervoltage" error, the discharging relay opens.
68 +)))
69 +
70 +3.6.3 Overvoltage protection
71 +
72 +To change the battery protection parameters from high voltage on the cells, select the menu "Protections → Overvoltage protection":
73 +
74 +[[image:1732212357972-295.png]]
75 +
76 +In this section:
77 +
78 +* Enable – a flag to enable the protection;
79 +* Maximum cell voltage, V;
80 +* Tolerant cell voltage, V;
81 +* Delay before setting the error, second;
82 +* Delay before clearing the error, second;
83 +* Switch off the discharging relay on error – a flag to open the discharging relay when the "Overvoltage" error is generated;
84 +* Lock the error until the device is reset.
85 +
86 +As a result of the operation of the battery protection from high voltage, the "Overvoltage" error is generated.
87 +
88 +Error generation conditions:
89 +
90 +* the maximum voltage among all cells of the battery is greater than the “Maximum cell voltage” value for the “Delay before setting the error” time.
91 +
92 +Conditions for removing the error:
93 +
94 +* the maximum voltage among all cells of the battery is less than the “Tolerant cell voltage” value for the “Delay before clearing the error” time.
95 +
96 +(% class="box infomessage" %)
97 +(((
98 +If there is the "Overvoltage" error, the charging relay and discharging relay opens (if the “Switch off the discharging relay on error” flag is set).
99 +)))
100 +
101 +3.6.4 Low temperature protection
102 +
103 +3.6.5 High temperature protection
104 +
105 +3.6.6 Battery cover protection
106 +
107 +3.6.7 High humidity protection
108 +
109 +3.6.8  Water protection
110 +3.6.9 Current sensor error
111 +3.6.10 Short circuit protection
112 +3.6.11 Contactor high temperature protection
113 +3.6.12 Unallowable charging protection
114 +3.6.13 Stuck contactor protection
115 +3.6.14 Contactor feedback check
116 +3.6.15 Charging contactor cycles protection
117 +3.6.16 Discharging contactor cycles protection
118 +3.6.17 Temperature sensor error
119 +3.6.18 Logic high temperature protection
120 +3.6.19 Logic offline protection
121 +3.6.20 Cell count protection
122 +3.6.21 Logic count protection
123 +3.6. WDT protection
124 +Insulation monitoring
125 +Critical error parameters
126 +General error parameters
127 +Low SOC signal
128 +High charging current signal
129 +Heater control
130 +Heater (AUX) control
131 +Cooler control
132 +Fault simulation
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