Changes for page 3.3 Control
Last modified by Admin on 2025/06/19 10:56
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... ... @@ -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=" SMALL" imageType="PNG"}}109 +{{formula fontSize="NORMAL" imageType="PNG"}} 110 110 R = \frac{U-U_{ocv}}{I_{stable}} 111 111 {{/formula}} 112 112 ... ... @@ -114,18 +114,20 @@ 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 fontSize="SMALL"}}117 +{{formula}} 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 fontSize="SMALL"}}124 -| 123 +{{formula}} 124 +|I_{stable2}-I_{stable1}| > 0.2 × Qmax 125 125 {{/formula}} 126 126 127 - whereQ,,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.127 +(Q,,max,, is the maximum cell capacity), 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 + 129 129 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. 130 130 131 131 To change parameters of the algorithm for calculating the cell resistance, select the "Control → Resistance estimation" section: