The rise in popularity of electric vehicles is becoming an important topic among electric utilities. The effects on the grid (in terms of load and power quality issues) are wide…
White Papers
Browse our library of power quality technical resources.
446 white papers
Views in ProVision
ProVision lets the user save a specific set and layout of graphs and reports in a View, which can easily be reused for any data file. The default View is…
Evolution of Power Quality Recording
Power quality analysis is a rapidly changing field, and is intrinsically linked to advances in digital technology. From its humble beginnings as analogue recorders that wrote a single voltage directly…
Voltage Optimization with the Boomerang and Canvass
The Boomerang voltage sensor and Canvass software are essential pieces in a successful Voltage Optimization system, providing the long-term reporting needed for verification and system tuning, while also providing real-time…
New Graph Templates for Interharmonics
Analyzing interharmonic data is a complex process, due to the large amount of information recorded. ProVision 3D graphs help for quickly identifying specific interharmonics that merit a closer look, but…
Analyzing Voltage Sags with ProVision
This white paper provides an overview of how to find and analyze various aspects of voltage sags using ProVision and data captured using PMI's recorders. For a given dataset, where…
Introduction to Residential Wind Turbine Generation
This white paper is a basic overview of wind turbines used for residential power generation. It explains how a wind turbine works, the basic theory, what types of wind turbines…
Voltage Regulation PQ Problems from Photovoltaic Systems During Cloud Cover
The meteoric rise in the popularity of photovoltaic systems by both residential and industrial customers over the past several years has created a new series of power quality challenges for…
Predictive Power Monitoring
Power Quality Monitoring data can be used to detect and identify potential problems either before equipment begins to fail or before it fails completely. Symptoms recorded by PQ monitors can…
Minimizing Data Usage with DNP3
The DNP3 protocol was originally developed back in the day when a wired connection to devices was the norm. The protocol was designed to be robust and very reliable but…
The Basics of Power Quality Monitoring
PMI's line of power quality (PQ) monitoring tools can provide insightful information that can be used to detect industrial and residential power disturbances such as sags, swells, transients, waveform distortions,…
Power Quality with the Significant Change Graph
The Significant Change graph shows single cycle measurements, with one second resolution in a single graphical time series trace. This graph of the triggered Significant Change record type is especially…