Abstract
With further digitalization of HV plants, up to the Process level, the requirements for the functionalities necessary for the successful operation of the system are becoming increasingly complex. Time synchronization of devices is one of the key aspects of further development and implementation of digitized HV plants. The use of the IEEE Std 1588 Precision Time Protocol (PTP) standard is emerging as the most expedient solution. The protocol itself defines "Profiles" that refer to individual industrial segments and provide clear methods of adjustment and operation, and for Power Systems it is the IEC / IEEE 61850-9-3 PUP (Power Utility Profile). The paper discusses the topics using the mentioned protocols and appropriate materials and experiences - PTP architecture and terminology, an example of a two-stage PTP synchronization procedure, Peer to Peer (P2P) mechanism and Best Master Clock Algorithm (BMCA).
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