The time and cost of deploying PQ instrumentation only to return later in order to retrieve it (without the guarantee that the PQ anomaly has occurred) is often times exorbitant.…
Products White Papers
Power quality white papers on Products.
282 white papers in Products
Cybersecurity and Cell Communications with the Guardian, Revolution, & Boomerang
Cybersecurity is an important component for any electric utility network device. PMI devices such as the Cell Guardian, Revolution, and Boomerang (Figure 1) generate data from raw voltage and current…
Quantifying Residential Voltage Sags
Voltage sag complaints are one of the most common in residential applications. Despite complaints, many residential voltage sags are not actually troublesome, or caused by the utility. Quantifying sag events…
Using Cycle Stripcharts
Stripchart recording is an important tool for analyzing complex data. It provides a visual means to easily digest extensive quantities of recorded information over long time periods. In most cases,…
Boomerang Configuration for SCADA Systems
PMI's Boomerang family of products (as shown in Figure 1) is available in multiple form factors and channel configurations. All Boomerangs are capable of communication over either a cellular data…
Power Quality Recorder Setup Basics (Part 2)
This whitepaper is a continuation of WP241 (Recorder Setup Basics). In part one the details and relative memory consumption of interval recording was discussed along with the associated controls for…
Recording Interharmonics with the Revolution
Interharmonics are on the rise because of large non-linear loads and sources being introduced to the distribution network, in particular large Variable Frequency Drives (VFDs) and inverters for distributed generation.…
IEEE 519 Harmonics in Residential Locations
IEEE 519 specifies the measurement technique and limits for harmonics in a wide variety of locations, from transmission through distribution. For the first time, the 2014 edition also provides separate…
Power Factor Correction Capacitors and Harmonics: How PFC Capacitors Affect Harmonic Levels
Power networks have become increasingly more complex with the rapid growth of non-linear loads. These additions place significant burden on a network, resulting in a reexamination of today's installations. This…
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…
Configuring Alerts with a Guardian in PQ Canvass
PQ Canvass is Power Monitors Inc.’s newest iteration of web-based power quality analysis software. It builds on the foundation established by Canvass and adds many new features, including variable-interval stripcharts;…
Introduction to PQ Canvass
Power Monitors has released a new cloud-based software product for power quality analysis, called PQ Canvass. PQ Canvass incorporates the features and convenience of our previous online software, Canvass, many…
