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Design Constant of DC Machine Calculator

Formula

The formula to calculate the Machine Constant is:

$K_{\text{f}} = \frac{Z \cdot P}{2 \cdot \pi \cdot n_{\text{ll}}}$

Machine Constant refers to the parameter which usually has a constant value for a particular type of DC machine.

Let's assume the following values:

Using the formula:

$K_{\text{f}} = \frac{12 \cdot 9}{2 \cdot \pi \cdot 6} \approx 2.86478897565412$