Dynamo-electric Machinery: A Manual for Students of Electrotechnics |
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Common terms and phrases
3-phase alternate currents alternate-current ampere-turns amperes angle arc-light armature core armature current bars bipolar brushes calculated cent centimetre coils commutator conductors connected constant construction continuous-current copper core-disks curve demagnetizing designed diameter disk drum armatures eddy-currents effect efficiency electric electrical efficiency Electrician electromagnet electromotive electromotive-force Engineers equal equation excitation external field-magnet flux-density full load gap-space give given Gramme horse-power hysteresis inches increase induction insulation internal resistance iron core Kapp kilowatt lamps leakage machine magnetic circuit magnetic field magnetic flux magnetic lines magnetic reluctance maximum mechanical method Mordey motive-force motor multipolar number of magnetic ohms output pair parallel permeability phase polar pole-pieces poles potential pressure proportional represent revolutions per minute revolving ring rotating rotor self-induction series coil series dynamo shaft shown in Fig Siemens sparking Specification of Patent speed square supplied torque transformer voltage volts watts winding wire wound