The Cell-Modem Revolution contains an embedded cellular modem allowing for network-based communication from any internet connected PC. The purpose of this white paper is to help the user determine the…
White Papers
Browse our library of power quality technical resources.
450 white papers
Understanding Vector Diagrams
This whitepaper will discuss what vector diagrams are, what they display, and how PMI's power quality recorders and ProVision can provide the user with this information.
Using 3D Graphs in ProVision
Power quality data in ProVision is presented in two distinct formats: as either a text-based report, or as a graphical image. The latter category, referred to in ProVision as graphs,…
Understanding Recording Modes
Recorders connected in ProVision have two primary modes: Standby mode and Ready mode. Each of these modes has a distinct purpose, and some recorder operations in ProVision require the recorder…
Analyzing Motor Startups with Event Capture
This paper describes how Event Capture can be used to analyze motor startups and covers the typical initial settings for capturing and analyzing a motor startup. All PMI recorders, old…
Per-Unit Graphing with Canvass
Canvass is a web-based power quality portal designed and developed by PMI to allow users to perform power quality analysis from anywhere they have an internet connection and a web…
Case Study: Impact of Solar Photovoltaic Installations
2012 was a historic year for the U.S. solar industry. There were 3,313 megawatts (MW) of photovoltaic (PV) capacity installed throughout the year, which represents 76% growth over 2011’s record…
Measuring Abnormal Voltage
The Abnormal Voltage Report is one of the "Triggered Event" reports in ProVision and it is used to determine whether voltage drifted outside the thresholds during the recording session. Usually…
Measuring PLC AMR Signals with the Revolution
Many AMR (automatic meter reading) systems rely on PLC (power line communication) signals for data transfer. These signals travel on the 60Hz distribution network and can be affected by power…
Networking Revolutions and Canvass
Recently, PMI augmented the functionality of the Revolution power quality analyzer by integrating it with the Canvass power quality portal. This white paper reviews the requirements for getting a Revolution…
An Overview of DNP3 and the Boomerang Point Map
DNP is the mnemonic for Distributed Network Protocol and it is used to describe a method of communication between various types of data acquisition and control equipment. It plays a…
ProVision Recording Inspector
The Recording Inspector is a new ProVision feature for finding lost files, classifying files by category or recorded data, and combing through large file sets for a certain data type.…