This white paper is an overview of the Event Capture function available with PMI power quality analyzers. Event capture can be viewed with either ProVision or WinScan software. This paper…
Power Quality White Papers
Power quality white papers on Power Quality.
214 white papers in Power Quality
Part 2 Computing Event Duration with Interval Data
Previously, a method was shown to compute cycle event durations with one minute interval data and one-second timestamps from Significant Change data. In this whitepaper, a method is given that…
Hookup Diagrams for Common Mode Input
This white paper describes the proper hookup connections for common mode input style PMI power analyzers. PMI offers the ability to monitor with two styles of voltage input connections to…
kWh Variations Between PMI Recorders and Revenue Meters
This white paper discusses some of the reasons that PMI's power quality analyzers may differ with the exact amount of power indicated by a power company's revenue meter. There are…
Power Consumption vs. Energy Usage Reports
The Power Consumption and Energy Usage reports both measure kilowatt-hours (kWh). In theory, they should provide identical information; however that is not always the case. Usually, these reports differ only…
Formulas for Power and Harmonic Measurements
PMI recorders use a variety of algorithms to compute RMS voltage and current, real, reactive, and apparent power, true and displacement power factor, and phase angle. The formulas for these…
Flicker Standards Used By PMI Recorders
This white paper reviews Flicker theory and details the Flicker Standards that are used by PMI recorders. Most PMI recorders have the ability to measure Flicker. Many models and options…
Sign Convention for Power Measurements
This white paper describes the sign convention used to represent Power data in PMI Recorders. Most of our recorders offer the ability to record Real Power (W), Reactive Power (VAR),…
Waveshape Triggering for Waveform Capture
A new method of triggering waveform capture in the Revolution and Vision is introduced, designed for capturing changes in power line waveform shape.
Custom Initialization Templates for Application Recorder Setup
This white paper describes how to create custom initialization templates for application specific monitoring with PMI Recorders. PMI recorders have the ability to measure all types of power quality data.…