Basic Metric Unit Conversion Chart
Simple problems, etc. UNIT-III Alternating Quantities : Principle of ac voltages, waveforms and basic definitions, root mean square and average values of alternating currents and voltage, form factor and peak factor, phasor representation of alternating quantities, the J operator and phasor algebra, analysis of ac circuits with single basic network element, single phase series circuits.
Motors : Principle of operation of dc motors, types of DC Motors. Losses and torque equation, losses and efficiency calculation in D. C generator.
C Machines : Three phase induction motor, principle of operation, slip and rotor frequency, torque simple problems. Kerns, JR.
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