International Library of Technology · Scranton, International Textbook Co. · leaf 407
3772 DESIGN OF ALTERNATING introduce enough local resistance to cause heating at the joints when the ma-chine is delivering alarge current. Barsof the style just de-scribed are used also• ^-m?^ £q^ some styles of in- duction-motor arma-tures. The portionof the bar formingFig. 1611. the end… … d Fig. 1612.cases the insulation from the core is provided wholly by theinsulating trough. ARMATURE INSULAXIOIV (COILS). 4110. Alternator armatures are generally called uponto generate much higher voltages than are common withcontinuous-current machines. The pressures generated byordinary…
Electrical engineering
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