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Distortion: Total harmonic distortion in an asymmetrically clipped sinewave
IEEE Instrumentation & Measurement Magazine, 2011The application of a signal to an electronic system such as an amplifier invariably results in an output that is, in some sense and to some extent, a distorted version of that input signal. The application to which the system is put is a major determiner of whether or not the distortion can be neglected or, at least, of how much distortion can be ...
Stephen Dyer, Justin Dyer
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IEEE Power Engineering Society Summer Meeting,, 2003
Harmonic distortion limits recommended by the majority of known standards are for steady-state harmonics. The harmonic distortions measured in the field, however, vary with time. How to apply the steady-state limits to the actual measured harmonics has been a concern for verifying compliance to harmonic standards.
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Harmonic distortion limits recommended by the majority of known standards are for steady-state harmonics. The harmonic distortions measured in the field, however, vary with time. How to apply the steady-state limits to the actual measured harmonics has been a concern for verifying compliance to harmonic standards.
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Harmonic distortion. Genesis to revelation?
Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference, 2002With the recent developments in personal computers and their widespread use in exploiting the Internet, there has been a resulting demand for high speed communications. The use of conventional telephone networks poses a significant problem for error-free data transmission by modem.
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Harmonic distortion in commercial establishments
IEE Colloquium on Sources and Effects of Harmonic Distortion in Power Systems, 1997Many commercial systems are private 400 V supplies. A large number of distorting loads have been connected at these sites with the result that the source current waveform may be distorted. Consequently, excessive harmonic voltages may be generated. Other commercial supplies may be connected to systems which contain excessive distortion. This problem is
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Overview on sources of harmonic distortion
IEE Colloquium on Sources and Effects of Harmonic Distortion in Power Systems, 1997Harmonics have been present in power systems since the very early stages of AC system development. The principal reason for this is that when the battle between AC and DC systems was resolved in favour of AC systems the one piece of equipment which fought a rearguard battle was the DC motor. It could be controlled in a manner which AC motors could not,
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The effects of harmonic distortion on equipments
IEE Colloquium on Sources and Effects of Harmonic Distortion in Power Systems, 1997All transformers are affected by harmonics given that any power system is contaminated to some degree by them. What is of interest and concern are the extremes, albeit known and in most cases predictable extremes. Some loads are known as classical harmonic generators so far as transformers are concerned. Any transformer connected to a converter load or
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Robust Implementation of Zero Harmonic Distortion Converter in Distorted Grids
2022 IEEE Industry Applications Society Annual Meeting (IAS), 2022Dener A. L. Brandão +3 more
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Second Harmonic Distortion in Horns
1994Figure 44 presents solutions to the following equation: $$ \% 2ndharmonic = 1.76 \sqrt {{{I_T}}} (f/{f_c}) \times {10^{{ - 2}}} $$ (44.1) where IT is the acoustic intensity at the horn throat in watts per square meter, fc is the nominal cutoff frequency of the horn, and f is the driving frequency.
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Harmonic Distortion Perception Threshold
2007One of the quality factors of almost every professional audio instrument is the total harmonic distortion (THD) factor. In view of attempts to reduce it to the smallest possible values, a question comes up: what is the real human threshold of perceiving harmonic distortion?
Furdek, Marija +3 more
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REDUCING HARMONIC DISTORTION BY DITHERING
2021LONG BENJAMIN JOHN OLIVER, KAPPUS BRIAN
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