This document is a publication of a patent application (EP4487437A1) by Hitachi Energy Ltd, concerning condition monitoring of electronic components in electrical power systems. The patent details specific IPC classifications related to power supply and measurement.

As this is a patent publication, it does not impose direct regulatory obligations or compliance deadlines on entities. However, it may inform industry standards and technological developments in the power systems sector. Companies operating in this space should be aware of potential intellectual property implications.