Skip to Content

Changes for page 3.3 Control

Last modified by Admin on 2025/04/09 12:14
From version 10.5
edited by Admin
on 2024/12/24 16:23
Change comment: There is no comment for this version
To version 10.6
edited by Admin
on 2024/12/24 16:25
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -106,7 +106,7 @@
106 106  
107 107  Calculation of the resistance of cells is carried out in two ways. The first method is used when the battery passes from a relaxation state to a charge or discharge state, wherein the cell resistance value
108 108  
109 -{{formula fontSize="NORMAL" imageType="PNG"}}
109 +{{formula fontSize="SMALL" imageType="PNG"}}
110 110  R = \frac{U-U_{ocv}}{I_{stable}}
111 111  {{/formula}}
112 112  
... ... @@ -114,20 +114,18 @@
114 114  
115 115  The second method is used for a stepwise change in the current through the cell, while the value of the cell resistance:
116 116  
117 -{{formula}}
117 +{{formula fontSize="SMALL"}}
118 118  R = \frac{U_2-U_1}{I_{stable2}-I_{stable1}}
119 119  {{/formula}}
120 120  
121 121  provided that
122 122  
123 -{{formula}}
124 -|I_{stable2}-I_{stable1}| > 0.2 × Qmax
123 +{{formula fontSize="SMALL"}}
124 +| I_{stable2}-I_{stable1} | > 0.2 × Qmax
125 125  {{/formula}}
126 126  
127 -(Q,,max,, is the maximum cell capacity),
127 +where Q,,max,, — the maximum cell capacity,U,,2,, — voltage on the cell at the moment when the stabilized current I,,stable2,, is flowing through it; U,,1,, — the voltage on the cell at the moment when the stabilized current I,,stable1,, flowing through it.
128 128  
129 -where U,,2,, is the voltage on the cell at the moment when the stabilized current I,,stable2,, is flowing through it; U,,1,, – the voltage on the cell at the moment when the stabilized current I,,stable1,, flowing through it.
130 -
131 131  The stabilized current I,,stable,, = I, if during the stabilization time the instantaneous current I is in the range from 0.95 × I to 1.05 × I.
132 132  
133 133  To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section: