This code cas been converted using the code generation from the EAP Zip file which is open source and is available here:
The EAP model
The EAP file, once downloaded, is opened by Enterprise Architect from Sparx Systems (https://www.sparxsystems.com/)
Look in the IEC61970/Base/Wires package for the electric distribution grid components.
From the copyright notice:
The entire work provided in the UML project file is dedicated to the public domain. As such, it is not, has not, and will not be copyrighted by any individual, entity or organization.
The IEC 61968 subpackages of the CIM are developed, standardized and maintained by IEC TC57 Working Group 14: interfaces for distribution management (WG14). Currently, normative parts of the model support the needs of information exchange defined in IEC 61968-3, IEC 61968-4, IEC 61968-9 and in IEC 61968-13.
This is based on the July 4th, 2022 Version of the model.
This link is confusing but seems to have all the components. The best way to navigate this site is to look through the Java or Python model then find the relative definition path within the document web site to find the generic definitions.