Multi-Level, Jittering, DC to AC Inverter with Low Pass Filter

DRIVE February 8, 2024
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A DC to AC inverter for solar energy installations is configured to convert DC input power at a first voltage to a desired AC output power waveform. The inverter includes multilevel circuitry configured to define a plurality of different levels, wherein each level is defined by lower and upper voltage values; a jittering controller configured to jitter between the lower and upper voltage values in each level in order to generate a preliminary AC waveform by producing waveform values between the lower and upper voltage values within each level; and a low pass filter configured to filter the preliminary AC waveform to remove the jittering in order to provide a smooth output AC waveform.

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