61869-9

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| Standard | Role | |----------|------| | | Defines the SV frame format and transmission. 61869-9 adds MU performance requirements. | | IEC 61869-6 | Protection performance requirements for low-power instrument transformers (LPITs). | | IEEE 1588 (PTP) | Used for time synchronization (profile defined in IEC 61850-9-3). | | IEC 60044-7/8 | Older standards for electronic instrument transformers (now superseded by 61869 series). | 61869-9