Output of 600VA Inverter

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Uploaded by on Mar 20, 2009

Output of Inverter 600VA. It's a pure sine wave UPS. First wave form is taken without connecting the groud probe and second one was taken with connecting the ground probe.

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  • What's causing the behavour you see is that the frequency of your mains electricity, and the inverter are slightly different. Then depending on the phase difference of the 2 sine waves at any point, you'll have a rising and falling trace like that. When they are "in phase" you see the smaller waveform, and as they get more out of phase, you see that the waveform grows bigger. This is because your earth picks up mains noise when not connected, and your probe picks up the output of the inverter.

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