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NATURAL SINES AND COSINES Continued Natural Sines Deg Minutes 0 10 20 30 40 50 0 5000 60 30 0 5000 5025 5050 5075 5100 5125 5150...
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3-phase alternating alternating current ammeter Amperes armature battery brushes cable capacitance cell cent charge closed coil commutator compound motor conductors connected constant contactor copper core curve d-c motors diagram dielectric direct current direction drive electrical electrolyte electromotive force electrons energy equipment field flux foot-candles heat horsepower inch induction motor installed insulation iron lamp lead light load machine magnetic circuit magnetomotive force material measured metal meter National Electrical Code ohms operation overload phase phase-wound pitch plate poles positive power factor reactor relay resistance resistors reverse rheostat rotor rubber secondary segments shown in Fig shunt motor single-phase slots specific gravity speed square squirrel-cage motor starter starting stator steel supply surface switch synchronous motor tape temperature terminal thermal tion torque transformer tube unit usually voltage voltmeter volts wattmeter wire