EMF for DC Generator for Wave Winding Calculator

Calculate EMF









Formula

The formula to calculate EMF is:

\[ E = \frac{P \cdot N_r \cdot \Phi_p \cdot Z}{120} \]

Definition

EMF is defined as the electromotive force needed to move the electrons within an electrical conductor to generate the flow of current through the conductor. Number of Poles refers to the total count of poles in an electrical machine for flux generation. Rotor speed refers to the speed of rotation of the armature, where electrical energy is produced by electromagnetic induction. Flux per Pole refers to the amount of magnetic flux produced by each individual pole of the generator field winding. Number of Conductor refers to the total count of conductors present in the armature of a DC generator.

Example Calculation

Let's assume the following values:

Using the formula:

\[ E = \frac{19 \cdot 125.663706137193 \cdot 0.06 \cdot 12}{120} \approx 14.32566249964 \]

The EMF is approximately 14.32566249964 Volt.

Conversion Chart

Number of Poles Rotor Speed (Radian per Second) Flux per Pole (Weber) Number of Conductor EMF (Volt)
18 120 0.05 10 9.000000000000000
18 120 0.05 11 9.900000000000000
18 120 0.05 12 10.800000000000001
18 120 0.05 13 11.699999999999999
18 120 0.05 14 12.600000000000000
18 120 0.06 10 10.800000000000002
18 120 0.06 11 11.880000000000003
18 120 0.06 12 12.960000000000003
18 120 0.06 13 14.040000000000001
18 120 0.06 14 15.120000000000003
18 120 0.07 10 12.600000000000001
18 120 0.07 11 13.860000000000003
18 120 0.07 12 15.120000000000001
18 120 0.07 13 16.380000000000003
18 120 0.07 14 17.640000000000001
18 122 0.05 10 9.150000000000000
18 122 0.05 11 10.065000000000001
18 122 0.05 12 10.980000000000000
18 122 0.05 13 11.895000000000001
18 122 0.05 14 12.810000000000002
18 122 0.06 10 10.980000000000000
18 122 0.06 11 12.078000000000001
18 122 0.06 12 13.176000000000004
18 122 0.06 13 14.274000000000003
18 122 0.06 14 15.372000000000003
18 122 0.07 10 12.810000000000002
18 122 0.07 11 14.091000000000003
18 122 0.07 12 15.372000000000003
18 122 0.07 13 16.653000000000002
18 122 0.07 14 17.934000000000005
18 124 0.05 10 9.300000000000001
18 124 0.05 11 10.230000000000000
18 124 0.05 12 11.160000000000000
18 124 0.05 13 12.090000000000002
18 124 0.05 14 13.020000000000001
18 124 0.06 10 11.160000000000002
18 124 0.06 11 12.276000000000002
18 124 0.06 12 13.392000000000001
18 124 0.06 13 14.508000000000003
18 124 0.06 14 15.624000000000001
18 124 0.07 10 13.020000000000001
18 124 0.07 11 14.322000000000001
18 124 0.07 12 15.624000000000001
18 124 0.07 13 16.926000000000002
18 124 0.07 14 18.228000000000002
18 126 0.05 10 9.449999999999999
18 126 0.05 11 10.395000000000001
18 126 0.05 12 11.340000000000002
18 126 0.05 13 12.285000000000000
18 126 0.05 14 13.230000000000000
18 126 0.06 10 11.340000000000002
18 126 0.06 11 12.474000000000000
18 126 0.06 12 13.608000000000001
18 126 0.06 13 14.742000000000001
18 126 0.06 14 15.876000000000001
18 126 0.07 10 13.230000000000000
18 126 0.07 11 14.553000000000001
18 126 0.07 12 15.876000000000003
18 126 0.07 13 17.199000000000002
18 126 0.07 14 18.522000000000002
18 128 0.05 10 9.600000000000000
18 128 0.05 11 10.560000000000000
18 128 0.05 12 11.520000000000001
18 128 0.05 13 12.480000000000000
18 128 0.05 14 13.440000000000000
18 128 0.06 10 11.520000000000001
18 128 0.06 11 12.672000000000001
18 128 0.06 12 13.824000000000002
18 128 0.06 13 14.976000000000001
18 128 0.06 14 16.128000000000000
18 128 0.07 10 13.440000000000001
18 128 0.07 11 14.784000000000002
18 128 0.07 12 16.128000000000004
18 128 0.07 13 17.472000000000001
18 128 0.07 14 18.816000000000006
18 130 0.05 10 9.750000000000000
18 130 0.05 11 10.725000000000000
18 130 0.05 12 11.699999999999999
18 130 0.05 13 12.675000000000001
18 130 0.05 14 13.650000000000000
18 130 0.06 10 11.699999999999999
18 130 0.06 11 12.870000000000001
18 130 0.06 12 14.040000000000001
18 130 0.06 13 15.210000000000001
18 130 0.06 14 16.380000000000003
18 130 0.07 10 13.650000000000000
18 130 0.07 11 15.015000000000002
18 130 0.07 12 16.380000000000003
18 130 0.07 13 17.745000000000001
18 130 0.07 14 19.110000000000003
19 120 0.05 10 9.500000000000000
19 120 0.05 11 10.449999999999999
19 120 0.05 12 11.400000000000000
19 120 0.05 13 12.350000000000000
19 120 0.05 14 13.300000000000001
19 120 0.06 10 11.400000000000000
19 120 0.06 11 12.540000000000001
19 120 0.06 12 13.680000000000001
19 120 0.06 13 14.820000000000000
19 120 0.06 14 15.960000000000003
19 120 0.07 10 13.300000000000002
19 120 0.07 11 14.630000000000003
19 120 0.07 12 15.960000000000003
19 120 0.07 13 17.290000000000003
19 120 0.07 14 18.620000000000005
19 122 0.05 10 9.658333333333333
19 122 0.05 11 10.624166666666667
19 122 0.05 12 11.590000000000002
19 122 0.05 13 12.555833333333334
19 122 0.05 14 13.521666666666668
19 122 0.06 10 11.590000000000002
19 122 0.06 11 12.749000000000001
19 122 0.06 12 13.907999999999999
19 122 0.06 13 15.067000000000002
19 122 0.06 14 16.226000000000003
19 122 0.07 10 13.521666666666668
19 122 0.07 11 14.873833333333334
19 122 0.07 12 16.226000000000003
19 122 0.07 13 17.578166666666668
19 122 0.07 14 18.930333333333337
19 124 0.05 10 9.816666666666666
19 124 0.05 11 10.798333333333336
19 124 0.05 12 11.780000000000001
19 124 0.05 13 12.761666666666667
19 124 0.05 14 13.743333333333336
19 124 0.06 10 11.780000000000001
19 124 0.06 11 12.958000000000000
19 124 0.06 12 14.136000000000001
19 124 0.06 13 15.314000000000002
19 124 0.06 14 16.492000000000001
19 124 0.07 10 13.743333333333336
19 124 0.07 11 15.117666666666668
19 124 0.07 12 16.492000000000001
19 124 0.07 13 17.866333333333333
19 124 0.07 14 19.240666666666666
19 126 0.05 10 9.975000000000000
19 126 0.05 11 10.972500000000000
19 126 0.05 12 11.970000000000001
19 126 0.05 13 12.967500000000001
19 126 0.05 14 13.965000000000000
19 126 0.06 10 11.970000000000001
19 126 0.06 11 13.167000000000002
19 126 0.06 12 14.364000000000003
19 126 0.06 13 15.561000000000002
19 126 0.06 14 16.758000000000003
19 126 0.07 10 13.965000000000002
19 126 0.07 11 15.361500000000001
19 126 0.07 12 16.757999999999999
19 126 0.07 13 18.154499999999999
19 126 0.07 14 19.551000000000002
19 128 0.05 10 10.133333333333333
19 128 0.05 11 11.146666666666668
19 128 0.05 12 12.160000000000000
19 128 0.05 13 13.173333333333336
19 128 0.05 14 14.186666666666667
19 128 0.06 10 12.160000000000002
19 128 0.06 11 13.376000000000001
19 128 0.06 12 14.592000000000002
19 128 0.06 13 15.808000000000002
19 128 0.06 14 17.024000000000001
19 128 0.07 10 14.186666666666667
19 128 0.07 11 15.605333333333334
19 128 0.07 12 17.024000000000001
19 128 0.07 13 18.442666666666664
19 128 0.07 14 19.861333333333334
19 130 0.05 10 10.291666666666666
19 130 0.05 11 11.320833333333333
19 130 0.05 12 12.350000000000000
19 130 0.05 13 13.379166666666666
19 130 0.05 14 14.408333333333333
19 130 0.06 10 12.350000000000001
19 130 0.06 11 13.585000000000003
19 130 0.06 12 14.820000000000000
19 130 0.06 13 16.055000000000000
19 130 0.06 14 17.290000000000003
19 130 0.07 10 14.408333333333333
19 130 0.07 11 15.849166666666667
19 130 0.07 12 17.290000000000003
19 130 0.07 13 18.730833333333337
19 130 0.07 14 20.171666666666667
20 120 0.05 10 10.000000000000000
20 120 0.05 11 11.000000000000000
20 120 0.05 12 12.000000000000000
20 120 0.05 13 13.000000000000000
20 120 0.05 14 14.000000000000000
20 120 0.06 10 12.000000000000000
20 120 0.06 11 13.199999999999999
20 120 0.06 12 14.400000000000000
20 120 0.06 13 15.600000000000000
20 120 0.06 14 16.800000000000001
20 120 0.07 10 14.000000000000002
20 120 0.07 11 15.400000000000002
20 120 0.07 12 16.800000000000004
20 120 0.07 13 18.200000000000003
20 120 0.07 14 19.600000000000005
20 122 0.05 10 10.166666666666666
20 122 0.05 11 11.183333333333334
20 122 0.05 12 12.199999999999999
20 122 0.05 13 13.216666666666667
20 122 0.05 14 14.233333333333333
20 122 0.06 10 12.199999999999999
20 122 0.06 11 13.420000000000000
20 122 0.06 12 14.640000000000002
20 122 0.06 13 15.860000000000001
20 122 0.06 14 17.079999999999998
20 122 0.07 10 14.233333333333333
20 122 0.07 11 15.656666666666668
20 122 0.07 12 17.080000000000002
20 122 0.07 13 18.503333333333334
20 122 0.07 14 19.926666666666669
20 124 0.05 10 10.333333333333334
20 124 0.05 11 11.366666666666667
20 124 0.05 12 12.400000000000000
20 124 0.05 13 13.433333333333334
20 124 0.05 14 14.466666666666667
20 124 0.06 10 12.400000000000000
20 124 0.06 11 13.640000000000002
20 124 0.06 12 14.880000000000001
20 124 0.06 13 16.120000000000001
20 124 0.06 14 17.360000000000003
20 124 0.07 10 14.466666666666669
20 124 0.07 11 15.913333333333336
20 124 0.07 12 17.360000000000003
20 124 0.07 13 18.806666666666668
20 124 0.07 14 20.253333333333337
20 126 0.05 10 10.500000000000000
20 126 0.05 11 11.550000000000001
20 126 0.05 12 12.600000000000000
20 126 0.05 13 13.650000000000000
20 126 0.05 14 14.699999999999999
20 126 0.06 10 12.600000000000001
20 126 0.06 11 13.860000000000003
20 126 0.06 12 15.120000000000001
20 126 0.06 13 16.380000000000003
20 126 0.06 14 17.640000000000001
20 126 0.07 10 14.699999999999999
20 126 0.07 11 16.170000000000002
20 126 0.07 12 17.640000000000001
20 126 0.07 13 19.110000000000003
20 126 0.07 14 20.579999999999998
20 128 0.05 10 10.666666666666666
20 128 0.05 11 11.733333333333333
20 128 0.05 12 12.800000000000001
20 128 0.05 13 13.866666666666667
20 128 0.05 14 14.933333333333334
20 128 0.06 10 12.800000000000002
20 128 0.06 11 14.080000000000004
20 128 0.06 12 15.360000000000003
20 128 0.06 13 16.640000000000001
20 128 0.06 14 17.920000000000005
20 128 0.07 10 14.933333333333335
20 128 0.07 11 16.426666666666669
20 128 0.07 12 17.920000000000002
20 128 0.07 13 19.413333333333338
20 128 0.07 14 20.906666666666670
20 130 0.05 10 10.833333333333334
20 130 0.05 11 11.916666666666666
20 130 0.05 12 13.000000000000000
20 130 0.05 13 14.083333333333334
20 130 0.05 14 15.166666666666666
20 130 0.06 10 13.000000000000000
20 130 0.06 11 14.300000000000001
20 130 0.06 12 15.600000000000000
20 130 0.06 13 16.899999999999999
20 130 0.06 14 18.199999999999999
20 130 0.07 10 15.166666666666668
20 130 0.07 11 16.683333333333334
20 130 0.07 12 18.200000000000003
20 130 0.07 13 19.716666666666672
20 130 0.07 14 21.233333333333338
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