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xDGA is a free and open-source tool. xDGA implements a set of Excel formulas that give you the ability to run industry best-practice algorithms to evaluate and assess the results of Dissolved Gas Analysis in Liquid Filled Electrical Apparatuses such as Power Transformers, On-Load Tap Changers, Circuit Breakers, etc. The custom formulas are packaged as an Excel XLL Add-in which doesn’t require any additional software installed on your computer. Simply double-click on the xDGA.ADDIN.xll file and start using the formulas. If you’ve ever tried to apply any of the available analysis guidelines, you’ll know that some of them are dozens of pages worth of information.Read More →