1. Why Do SVGs Generate Harmonics? Unlike ideal components, the real-world power electronic switches (IGBTs) in an SVG do not switch sinusoidally. They use Pulse Width Modulation (PWM) to synthesize a sinusoidal output current. This switching action is the primary source of harmonics. PWM Switching Frequency Harmonics: The output voltage of the SVG's H-Bridge inverters is a series of high-fre...
IN any system containing nonlinear loads that use phase-angle control or abrupt switching, particularly those that draw a non-sinusoidal current. The specific range of "2nd to 51st" is a classic signature of certain technologies.Here are the most common places where you would find such a wide harmonic spectrum: 1. The Classic Example: Thyristor-Controlled Reactor (TCR) in SVC Plants This is the mo...
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