AC waveform

22 examples (0.03 sec)
  • By definition there is no restriction on the type of AC waveform an inverter might produce that would find use in a specific or special application.
  • The portion of power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as real or active power.
  • Since the instantaneous power of an AC waveform varies over time, AC power, which includes audio power, is typically measured as an average over time.
  • In an asynchronous gap, the rotation of the motor had no fixed relationship relative to the incoming AC waveform.
  • The portion of power flow that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as real power (also referred to as active power).
  • In full-wave rectification both halves of the AC waveform are utilised.
  • A power inverter device which produces a multiple step sinusoidal AC waveform is referred to as a sine wave inverter.
  • This AC waveform allows the creation of a current inside the body via the very capacitive skin without causing a DC flow or burns, and limited in the ~20mA range current for safety.
  • The voltage of a DC wave is roughly constant, whereas the voltage of an AC waveform continually varies between positive and negative values.
  • Electronic ballasts are commonly supplied with AC power, which is internally converted to DC and then back to a variable frequency AC waveform.
  • The analog AC waveforms are digitized by an Analog to Digital converter for each phase.
  • Because an AC waveform has a voltage peak that is higher than the average value produced by the rectifier, the same set operating on the same root mean square AC supply voltage would have a higher effective voltage after the rectifier stage.
  • This produces harmonics to the AC waveform, localised heating and leads to high reactive power demands, inefficient power transmission and possible mis-operation of protective measures.
  • This type of ammeter can measure both AC and DC currents and provides a true RMS current measurement of non-sinusoidal or distorted AC waveforms.
  • Vacuum contactors are therefore very efficient at disrupting the energy of an electric arc and are used when relatively fast switching is required, as the maximum break time is determined by the periodicity of the AC waveform.
  • What is commonly referred to as microstepping is often "sine cosine microstepping" in which the winding current approximates a sinusoidal AC waveform.
  • If the time constant, CR, is large in comparison to the period of the ac waveform, then a reasonably accurate approximation can be made by assuming that the capacitor voltage falls linearly.
  • A solid-state AC-AC converter converts an AC waveform to another AC waveform, where the output voltage and frequency can be set arbitrarily.
  • The output is the superposition of the input AC waveform and the steady DC of the capacitor.
  • As the anodes of each AC phase are fed from opposite ends of the centre tapped transformer winding, one will always be positive with respect to the center tap and both halves of the AC Waveform will cause current to flow in one direction only through the load.
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