Harmonics Examples - Khon Kaen Universityeestaff.kku.ac.th/~jamebond/182304/2557_1/Harmonics...
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Harmonics Examples Harmonics Examples
Transcript of Harmonics Examples - Khon Kaen Universityeestaff.kku.ac.th/~jamebond/182304/2557_1/Harmonics...
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Harmonics ExamplesHarmonics Examples
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The 3rd HarmonicsThe 3rd Harmonics
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Light DimmerLight Dimmer
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Phase Control Light DimmerPhase Control Light Dimmer
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PC Current PC Current
WaveformWaveform
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Magnetizing Current for
Single-Phase 25 kVA 12.5kV/240V Transformer
THD = 76.1%
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Residential Air Conditioner Current
THD = 10.5%
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Fluorescent Lamp Current (with Magnetic Ballast)
THD = 18.5%
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Three-Phase
Six-Pulse Line Commutated Converter
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Amplifier THD Measurement
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The Good SideThe Good Side
FREQUENCY MULTIPLIERS
Class C
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Harmonic FiltersHarmonic Filters
Passive Active
Hybrid
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Power Quality AnalyzerPower Quality Analyzer