How to Measure Mains / Line Voltage and Harmonic Distortion

How to Measure Mains / Line Voltage and Harmonic Distortion

Postby VirtinsTech » Mon Aug 31, 2015 10:30 am

This video demonstrate three methods to measure the voltage and harmonics of an AC power supply using a USB oscilloscope with passive probes. The three method are: (1) Earth-Grounded Single-Ended Measurement (2) Earth-Grounded Differential Measurement (3) Floating-Ground Differential Measurement.



Method 1
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220V_71.png (106.85 KiB) Viewed 12429 times


Method 2
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220V_81.png (118.69 KiB) Viewed 12429 times


Method 3
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220V_91.png (99.01 KiB) Viewed 12429 times
VirtinsTech
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