Changes for page 3.3 Control
Last modified by Admin on 2025/06/19 10:56
Summary
-
Page properties (1 modified, 0 added, 0 removed)
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 ... ... @@ -114,16 +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 -R = (U,,2,,-U,,1,,) / (I,,stable2,,-I,,stable1,,) provided that | I,,stable2,,-I,,stable1,, | > 0.2 × Q,,max,, 118 - 119 -{{formula}} 120 -R = frac\{U_2-U_1}{I_{stable2}-I_{stable1}} 117 +{{formula fontSize="SMALL"}} 118 +R = \frac{U_2-U_1}{I_{stable2}-I_{stable1}} 121 121 {{/formula}} 122 122 123 - (Q,,max,,isthe maximum cell capacity),121 +provided that 124 124 125 -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. 123 +{{formula fontSize="SMALL"}} 124 +| I_{stable2}-I_{stable1} | > 0.2 × Qmax 125 +{{/formula}} 126 126 127 +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 + 127 127 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. 128 128 129 129 To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section: