Analyzing Transformer Sound with a Phone – Poor Man’s Analysis
So, you are out on a job and there is a noisy transformer - you know, that humming noise that we are all familiar with. However, something doesn't sound quite…
How to Evaluate an Electric Motor with Voltage Variance and Unbalance
Voltage variation and unbalance are defined separately within NEMA MG-1. However, in real-life applications these conditions exist at the same time. In this paper we will discuss combined voltage variations…
Review of Power Quality Data in a Traditional Grid Environment Part 2
Figure 1: First service at a manufacturing facility. Secondary of Utility Transformer (PCC) in an area with heavy wind/solar/nuclear Figure 2: Second service at same facility as Figure 1. Secondary…
Review of Power Quality Data in a Traditional Grid Environment Part 1
Figure 1: Part of Data Analytics Project The condition of incoming power has a direct impact on the electrical reliability of a plant. As the conditions surround electrical equipment they…