Introduction Modern industrial and utility electrical systems increasingly rely on equipment that responds not only to voltage magnitude, but also waveform timing and phase stability. Equipment trips, transfer events, or…
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Datacenter Power IV
High-speed protective devices in modern datacenters, such as low-voltage circuit breakers with electronic trip units (ETUs) offering instantaneous or short-time protection, are documented to operate in cases where standard Power…
Datacenter Power Consumption III
Previous white papers covered the basics of datacenter power consumption and the frantic pace of growth and general challenges facing utilities responsible for supplying these mass consumers. Northern Virginia is…
Datacenter Power Consumption II
The explosive growth of datacenter infrastructure in the United States continues to reshape electricity consumption patterns, now constituting a substantial and rapidly growing share of both total load and peak…
Delta (Line to Line) Voltage
In the world of electrical engineering and power distribution, understanding the relationship between different voltage types is essential. One of the key distinctions in three-phase power systems is the difference…
PQ Canvass and Cybersecurity
PQ Canvass is PMI's next-generation web-enabled power monitoring and analysis platform. Deploying PQ Canvass as a web application provides a number of benefits: analyzing recordings while the recorder is still…
Datacenter Power Consumption
The proliferation of digital technologies has driven rapid growth of data centers across the United States. These facilities, housing the servers that power the internet, cloud computing, and big data…
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…
Sizing a Backup Power Source
Sizing a backup power source is tedious. In an ideal world, every piece of equipment you need to protect would come with a spec sheet correctly detailing its power needs.…
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…