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adjusted allow alternating amperes applied armature arrangement bearings belt break brushes carry Cause cent CHAPTER circuit cloth coils commutator condition conductors connected constant controller core determined direction driving dynamo edition effect electrical employed engine equal excessive fact field field-coils friction gearing give given ground hand heating Illustrated inch increase indicated insulation lamps latter less lighting load located losses lower machine magnetic means measured mechanical method motor move necessary normal obtained occur operation parallel placed poles position possible practically produce proper pulley rated reduced regulator Remedy removed resistance reversed rheostat rotation screws segment separate shaft short short-circuited shown shunt side sparking speed starting stop stud switch Symptom terminals torque trouble turn usually varying voltage voltmeter volts wheel winding wires yokes
Сторінка 37 - The lower limit is specified for rubber-covered wires to prevent gradual deterioration of the high insulations by the heat of the wires, but not from fear of igniting the insulation. The question of drop is not taken into consideration in the above tables.