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IntroductionFunction of Controi
National Codes and Installation Requirements
35 other sections not shown
acceleration adjustable speed alternating current alternating-current alternating-current motor amperes apparatus applications armature arrangement automatic autotransformer auxiliary cent circuit breaker closed commutator connected constant control panel counter e.m.f. crane curve dashpot decreases device diagram direct current direct-current motor drive drum controller dynamic braking electric electric locomotive electric motor elevator energy equipment exciter field rheostat field strength frequency changer full speed full-load gearing hoist horsepower increase induction motor interlock knife switch large motors limit switch line voltage load locomotive low voltage machine tools magnetic contactor main motor manual controller master switch maximum mechanical method motor field mounted obtained overload relay phase planer position primary protection pump push button reduced regulation resistor reversing rotating shaft short-circuited shown in Fig shunt field slip rings small motor speed motors starter starting resistance stop synchronous motor tion torque trolley usually wire