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Full Description

Scope

This is a standard for synchronized phasor measurement systems in substations. It addresses synchronization of data sampling, data-to-phasor conversions, and formats for timing input and phasor data output from a Phasor Measurement Unit (PMU). It does not specify response time, accuracy, hardware, software, or a process for computing phasors.

Purpose

This standard defines synchronized phasor measurements in substations so that the measurement equipment can be readily interfaced with associated systems. It specifies data formats and synchronization requirements to allow correlating phasors from various sources and comparing them with similar data from different measurement systems.

Abstract

New IEEE Standard - Superseded. The synchronizing input and the data output for phasor measurements made by substation computer systems is discussed. Processes involved in computing phasors from sampled data, data-to-phasor conversions, and formats for timing imputs and phasor data output from a Phasor Measurement Unit (PMU) are also addressed.
 

Document History

  1. IEEE/IEC 60255-118-1-2018


    IEEE/IEC International Standard - Measuring relays and protection equipment - Part 118-1: Synchrophasor for power systems - Measurements

    • Most Recent
  2. IEEE C37.118.1-2011


    IEEE Standard for Synchrophasor Measurements for Power Systems

    • Historical Version
  3. IEEE C37.118-2005


    IEEE Standard for Synchrophasors for Power Systems

    • Historical Version
  4. IEEE 1344-1995

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    IEEE Standard for Synchrophasors for Power Systems

    • Historical Version