Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 100
y excited fields, the field excitation being fur-nished by the D. C. side of the armature. The three phase motors up to a capacity of 5 H. P.are not usually equipped with starting devices. Suchmotors are self starting but require enormous cur-rents when starting with load. Sometimes these cur-rents… … Figure 65 switch is thrown up to start and the current does notpass through the fuses. After the motor is running atits normal speed the switch is thrown downward,thus forcing the current to pass through the fusesand protecting the motor As an extra safeguard theswitch in its first position is…
Electrical engineering · Electric testing
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