Wave notching is a type of voltage distortion that appears as a very fast, repetitive dip or "notch" in the sinusoidal waveform of an AC power system. This periodic disturbance…
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Line and Phase Voltage in PQ Canvass
PQ Canvass now supports viewing RMS Voltage in a virtual Delta hookup (Line-Line) when the device is hooked up to a Wye configuration (Line-Neutral) and initialized as such. This feature…
Windows PMI View Introduction
Introduction Power Monitors’ Windows PMI View is a desktop app for Windows 10/11 that lets you manage your Power Monitors’ recording devices. The application seamlessly connects to PMI recorders, providing…
60Hz Phasors and Extended PQ Measurements
This white paper walks the reader through a method to take basic core PQ measurements and derive several other measurements (such as 60Hz power, Voltage and Current THD, distortion power…
Introduction to PMI View
Power Monitors' PMI View is a cutting-edge iOS and iPadOS application for performing power quality analysis in the field, bringing the full capabilities of PMI's advanced recording devices to your…
Detecting Loose Neutrals
A loose neutral is not obvious to the naked eye but can lead to significant damage. The symptoms vary widely, and proper detection is essential to mitigation. This paper gives…
Introduction to Voltage Sags
Voltage sags are short-duration power quality nuisances that can wreak havoc on sensitive electrical equipment. Identifying and classifying sags (as well as identifying their sources) can be a tedious and…
PQ Canvass — Getting Started
Power Monitors’ PQ Canvass is the premiere way to view and analyze power quality data. Born from Canvass, our first generation cloud-based system, PQ Canvass is a power platform to…
Viewing Power Consumption in the Cloud
Energy usage metering (in kWh) is now available at-a-glance from the PMI Canvass web application. This new feature will save you time while you diagnose internal and customer-facing issues by…
Ferroresonance and Power Quality
Most in the world of power quality are familiar with the concept of resonance in an electrical network as well as the methods for dealing with the issues and byproducts…
Recommendations for Voltage Sags
Voltage sag is one of the most common power quality problems. The consequences for not troubleshooting a voltage sag complaint isn't the resulting damage that can be done to electrical…
ProVision Recording Templates
This white paper covers the creation and use of predefined recording templates in ProVision. PMI recording devices can be initialized with a number of configurable settings. Configurable settings include recording…