The Case of the Critical Load Mystery
Troubleshooting and investigating leads to answers on why a new UPS system would not support load during power outages over an eight-month period.
Robert L De Lauter, P.E. | Apr 20, 2020

How removing the input transformer has affected the servicing of UPS batteries.
Robert L De Lauter, P.E. | Oct 24, 2019

Importance of Proper Battery Installation
When choosing a vendor to replace your battery, it’s important to consider more than cost.
Robert DeLauter, P.E. | Aug 30, 2018

How to Save Your Battery System Before It Fails
Case study reveals what happens when a facility didn’t replace batteries in its UPS bank when they first showed signs of degradation.
Robert DeLauter, P.E. | Dec 21, 2017

The Case of the Unwanted Ground Current
Troubleshooting uncovers multiple power quality problems following a utility UPS upgrade, including parallel neutral paths returning to separate sources.
Robert DeLauter, P.E. | Oct 21, 2016