Skip to content

FPP_REGION_FREQ_MEASURE

This report delivers the curated 4 second frequency deviation and frequency measure data for each region.

Package

FPP

Visibility

Public

Table schema

Column Official MMS Datatype GR-MMS Datatype Comment
INTERVAL_DATETIME datetime(3) 🔑 datetime2(0) 🔑 Date and time of the trading interval (DD/MM/YYYY HH24:MI:SS) fixed to the UTC+10 time zone (NEM time)
MEASUREMENT_DATETIME datetime(3) 🔑 datetime2(0) 🔑 Date and time of the SCADA data (DD/MM/YYYY HH24:MI:SS) fixed to the UTC+10 time zone (NEM time)
REGIONID varchar(20) 🔑 varchar(10) 🔑 Region ID of the frequency deviation / frequency measure
VERSIONNO numeric(5, 0) 🔑 smallint 🔑 Version (FPP run number from the FPP database)
FREQ_DEVIATION_HZ numeric(18, 8) numeric(18, 8) Frequency Deviation (4 second frequency deviation in Hz for that region)
HZ_QUALITY_FLAG numeric(5, 0) smallint Frequency Quality (4 second frequency deviation quality for that region) Supported values are: 0 = Bad Quality 1 = Good Quality 2 = Suspect Quality -1 = Value not used as input in the FPP calculation (generally used to indicate when SCADA data was late arriving after the FPP calculation commenced)
FREQ_MEASURE_HZ numeric(18, 8) numeric(18, 8) Calculated 4 second Frequency Measure for that region from FPP database
FM_ALIGNMENT_FLAG numeric(5, 0) smallint Alignment Flag (4 second frequency deviation is aligned with 4 second frequency measure for that region) Supported values are: 0 = Misaligned 1 = Aligned

Official MMS data model indexes

Index name Index type Index columns (in order)
FPP_REGION_FREQ_MEASURE_PK clustered, unique, primary key INTERVAL_DATETIME, MEASUREMENT_DATETIME, REGIONID, VERSIONNO

GR-MMS data model indexes

Index name Index type Index columns (in order)
PK_FPP_REGION_FREQ_MEASURE clustered, unique, primary key INTERVAL_DATETIME, MEASUREMENT_DATETIME, REGIONID, VERSIONNO

Historical-MMS data model indexes

Index name Index type Index columns (in order)
PK_FPP_REGION_FREQ_MEASURE clustered, unique, primary key INTERVAL_DATETIME, MEASUREMENT_DATETIME, REGIONID, VERSIONNO