Program for calculation of the internal resictance of lead-acid batteries


The following results can be obtained:

The dissipated power of an elementary cell (dimension Watt). With this value the internal resistance can be calculated by simple mathematical operations.

The potential distribution of the nodes of the grid (Node potential). An example is shown in Figure 2.

Figure 2: node potentials

The cannel currents (Figure 3), the cannel current density (Figure 4) and the currents of each single branch (Figure 5) can be calculated and displayed graphically in the same way.

Figure 3: cannel current
Figure 4: cannel current density

Statements about the different quality of grid designs can easily be made with these values.

Figure 5: currents of each branch

Blue represents low current, red represents high current.

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