DC Generators
LIST OF FIGURES
LIST OF FIGURES
Figure 1
AC to DC Conversion with a Commutator . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 2
Basic DC Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 3
Basic Operation of a DC Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4
Left-Hand Rule for Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5
Commutator Segments and Brushes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 6
Commutation in a DC Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7
Varying Generator Terminal Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 8
Shunt-Wound DC Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 9
Output Voltage-vs-Load Current for Shunt-Wound DC Generator . . . . . . . 14
Figure 10
Series-Wound DC Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 11
Output Voltage-vs-Load Current for Series-Wound DC Generator . . . . . . . 15
Figure 12
Compounded DC Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 13
Voltage-vs-Current for a Compounded DC Generator . . . . . . . . . . . . . . . 17
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