Total Harmonic Distortion definition

Total Harmonic Distortion or ‘THD’ means the ratio of the root mean square of the current harmonic content, considering harmonic components up to the 50th order, expressed as a percent of the fundamental;
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Total Harmonic Distortion. (THD) means a measure of distortion of the voltage or current wave form (which shall ideally be sinusoidal) and is the square root of the sum of squares of all voltage or current harmonics expressed as a percentage of the magnitude of the fundamental;
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Total Harmonic Distortion. (THD) means a measure of distortion of the voltage or current wave from (which shall ideally be sinusoidal) and is the square root of the sum of square of all voltage or current harmonics expressed as a percentage of the magnitude of the fundamental;
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Examples of Total Harmonic Distortion in a sentence

  • Shall have a maximum Total Harmonic Distortion (THD) of 20% at full input power and across specified voltage range.

  • See 21 U.S.C. §§ 331(a), 351(a)(2)(B).Between 1997 and 2006, GSK distributed and sold large quantities of adulterated drugs in the U.S. market.

  • Electromagnetic interference • Luminaires shall have a maximum Total Harmonic Distortion (THD) of 20% at full input power and across specified voltage range.

  • The voltage harmonic distortion of the supply voltage shall be assessed in terms of the Total Harmonic Distortion (THDV) considering harmonic components up to the 50th order.

  • In the event a Customer installs equipment which produces harmonics in excess of five percent Total Harmonic Distortion (“THD”) and/or three percent of any single harmonic, the Customer will provide and install, at the Customer’s own expense, all equipment necessary to reduce such harmonics to five percent or less THD and/or to three percent or less of any single harmonic.

  • Total Harmonic Distortion: Less than 5 percent at rated output power with load equivalent to one station connected to output terminals.

  • All installed electronic ballasts must have a Total Harmonic Distortion < 20%.

  • WaveformPure Sine wave Total Harmonic Distortion< 3% for linear load< 5% for non-linear load Crest FactorMinimum 3:1 at full load Power factor0.8 Short Circuit ProtectionElectronic Protection.

  • Total Harmonic Distortion must be kept under a percentage of the fundamental voltage.

  • Input Current Total Harmonic Distortion: The input current THDI shall be held to 6% or less at full system, while providing conditioned power to the critical load bus, and charging the batteries under steady-state operating conditions.


More Definitions of Total Harmonic Distortion

Total Harmonic Distortion means the ratio of the root-mean-square of the harmonic content to the root-mean-square of the fundamental quantity, expressed as a percent of the fundamental;
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Total Harmonic Distortion or “THD” means the ratio of the root mean
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