Harmonics Examples - Khon Kaen Universityeestaff.kku.ac.th/~jamebond/182304/2557_1/Harmonics...

Harmonics ExamplesHarmonics Examples

The 3rd HarmonicsThe 3rd Harmonics

Light DimmerLight Dimmer

Phase Control Light DimmerPhase Control Light Dimmer

PC Current PC Current

WaveformWaveform

Magnetizing Current for

Single-Phase 25 kVA 12.5kV/240V Transformer

THD = 76.1%

Residential Air Conditioner Current

THD = 10.5%

Fluorescent Lamp Current (with Magnetic Ballast)

THD = 18.5%

Three-Phase

Six-Pulse Line Commutated Converter

Amplifier THD Measurement

The Good SideThe Good Side

FREQUENCY MULTIPLIERS

Class C

Harmonic FiltersHarmonic Filters

Passive Active

Hybrid

Power Quality AnalyzerPower Quality Analyzer

Documents