## Alternating Currents |

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alternating currents alternating-current amperes angle armature busbars cent circuit diagram coils component conductor connected constant copper losses corresponding current and voltage current flowing current wave curves cycles diagram in Fig direct currents direct-current effective values electric circuit energy equal equation equivalent field excitation frequency full load harmonic hence hysteresis impressed voltage induction motor instantaneous values insulation iron kv.a lagging leading current leakage lines of force locus machine magnetic field magnetic flux magnetizing current magnitude mains neutral ohms operating parallel circuits phase position pole power factor primary problem produced pulsations quadrature reactive power receiver voltage represented rotary converter rotation rotor secondary series circuit short-circuit shown in Fig sine wave single-phase space stator synchronous condenser synchronous motor terminal voltage three-phase time-phase torque total voltage transformer transmission lines two-phase vector diagram voltage and current voltage consumed voltage gradient voltage wave volts wattmeter winding wire zero