AC Sources for IEC 1000 Harmonics and Flicker Testing
The IEC 1000-3 standard is concerned with the quality of the utility line power. To ensure good power quality, this standard specifies limits for the distortion introduced by a load drawing non-sinusoidal or irregular current. Typical loads that exhibit this kind of behavior include office equipment, household appliances, or fluorescent lighting ballasts. Products that enter the European Economic Community have to meet these and other requirements and need a CE mark to show compliance. Any form of active or electronic (i.e., non-resistive) load will exhibit some distortion in the current waveform.
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