Application Notes
Our application notes explain over 20 different technical applications relevant to substation automation and protection engineers.
![](https://assets.new.siemens.com/siemens/assets/api/uuid:ea8ca6a43ea381e5a0e667cab1ec360a6245a0a3/width:100/quality:low/crop:0,11333333333333333:0,025833333333333333:0,8658333333333333:0,9741666666666666/apn-001-properties-and-functional-structure.png)
Our application notes explain over 20 different technical applications relevant to substation automation and protection engineers.