This an overview of what the GE Flicker Curve is, how, why and when it was developed, and who developed it. Also, this paper covers some of the more useful…
White Papers
Browse our library of power quality technical resources.
446 white papers
Harmonics and Power Factor
Power Factor measures the efficiency in an electrical circuit, based on how much of the power delivered to a load is used by the load for work. Loads that produce…
Comparison of Eagle 440 and Revolution PQ Analyzers
PMI manufactures several stand-alone power quality analyzers that are designed to fit in tight enclosures and wirelessly transmit recorded data. This paper outlines the differences between two of those devices,…
Setting Up Custom GSM Cellular Access Points
A custom Access Point Name (APN) gives an enterprise many connectivity options for mobile telemetry devices that are not available when using consumer wireless accounts. These options include static public…
Case Study: Ground Fault Detection
The main breaker tripped in a Motor Control Center. All circuits were meggered and checked out, but no cause was found for the trip. Because none of the load breakers…
Event Capture Function
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…
Automated Operations with the Scheduler Service
The ProVision software package provided by PMI is capable of retrieving recordings from PMI recorders, analyzing data from these recordings, viewing waveforms in real-time, and much more. Most of these…
Networking the PMI Cell Revolution
The PMI Cell Modem Revolution® has an amazing array of communication options and configurations– from USB to Ethernet to TCP/IP via cellular modem. This white paper focuses on the different…
Guardian vs iVS 2SXplus Form and Function
PMI manufactures a number of units that are designed specifically to monitor incoming power at the revenue meter base. This paper will focus specifically on the Guardian and iVS-2SX+ meter…
Automating ProVision Installation and Uninstallation
Before any end-user program can be used, it must first be installed. This procedure can be as mundane as simply copying files from a type of removable media or network…
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…
ProVision Settings for Wireless Communications
This white paper describes the proper communication settings for wireless PMI Recorders using ProVision software. PMI offers many different recorders for capturing disturbing and expensive PQ events. With the many…