High speed capture mode on less then three phases

When viewing the data for RMS values on individual phases on a three phase system or on any of the rms values on a single or split phase system when preforming high speed capture, the numbers will drift up and down due to the lack of a full waveform in the calculation.

If the signal is higher then 200 hz this should not be an issue as it will complete a full cycle within the sampling period. Due to the balanced nature of a three phase system the Sigma rms value of that system will give steady values either way.

Related Products & Solutions

WT1800 High Performance Power Analyzer

The WT1800 Power Analyzer offers maximum flexibility with up to six wattmeter elements, high bandwidths, simultaneous high speed digitizing, and wide voltage and current ranges. Although this model is still available, the newer WT1800E offers higher accuracy.

WT1800E - High-Performance

  • Power, Harmonics (THD) Measurements (up to 500th order)
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Power Analyzers and Power Meters

Measure characteristics of devices that generate, transform or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics, and efficiency.

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