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White Papers

Browse our library of power quality technical resources.

37 results by David Horning — Clear

Holdoff and Aggregation with Canvass Alerts

Email/SMS alerting from Canvass is a powerful feature providing real-time notification about distribution events and equipment problems in the field. Some notifications require immediate truck rolls, and others are less…

May 1, 2018 · David Horning

Transferring ProVision Recordings to PQCanvass

We've added a major enhancement to ProVision - the ability to sync recordings with PQ Canvass, PMI's cloud-based PQ data analysis system. The implications of this are profound because you…

May 1, 2018 · David Horning

Waveform Capture with Transient Capture Overlays

PMI Revolution recorders can record waveform captures and, with the transient capture option, high-speed microsecond-level transient captures. Transient captures have a much higher sampling rate than waveform captures but have…

January 1, 2018 · David Horning

Merging Recordings in ProVision

Many PQ investigations end with a follow-up recording to verify a problem has been corrected and to gather a baseline for any further issues. Analyzing the “before” and “after” recordings…

June 1, 2017 · David Horning

Quickly Creating PQ Reports

The ProVision Publication Wizard is a quick way to create finished documents from individual graphs and reports. Use the wizard to create publication templates for different PQ applications, and then…

April 1, 2017 · David Horning

New ProVision Release for Handling Large PQ Recordings

With the introduction of the cell Guardian, 1 GB of memory in a PQ recorder is increasingly common. Although the resulting large files can provide a wealth of data, they…

January 1, 2017 · David Horning

Using Interharmonic THD Measurements

Harmonics and interharmonics are some of the most complex power quality quantities to measure and analyze. The Revolution is capable of recording interharmonic data, and ProVision can present the data,…

October 1, 2016 · David Horning

Advanced Harmonic Analysis Through Bulk ProVision Exports

The IEEE 519-2014 harmonic standard calls for several advanced data analysis procedures. Some of these, especially when combining with data from other devices, may be performed in Excel or Matlab.…

August 1, 2016 · David Horning

Cell, WiFi, and More with the New Cell Guardian Meter Socket Recorder

PMI has just introduced a major redesign of the Guardian meter socket power quality analyzer. This white paper will focus specifically on the new Cell Guardian recorder and cover the…

March 1, 2016 · David Horning

Software to Diagnose Power Quality Issues

Data analysis is the key to understanding and solving engineering problems on the distribution system. PMI offers three types of software tools to speed the analysis process, and help manage…

January 1, 2016 · David Horning

Flicker Investigation Strategy

Flicker is defined as fluctuation or wavering in visible light intensity due to voltage variations. These variations in voltage are caused by fluctuations in the load through the system source…

January 1, 2016 · David Horning

Plotting PQ Events on the CBEMA – ITIC Curve

The CBEMA and ITIC curves are used to show voltage events. Some PMI recorders can record these events and then ProVision can be used to plot these events on the…

November 1, 2015 · David Horning

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Have a PQ question? Ask Merlin™ — free. Send it to askmerlin@powermonitors.com or text (540) 383-3144.

Power Monitors, Inc. — Tools you Need. People you Trust.

Power Monitors, Inc. is an industry-leading product design and manufacturing firm based in Mt. Crawford, Virginia. PMI® strives to solve power quality problems by listening to our customers and working with them to design and manufacture products. Total customer satisfaction is the primary goal of all PMI® staff.

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