Page 15 - IGMC-2017
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Wide Area Systems studies & monitoring
Significant Duties:
• IGMC’s WAMS is based on high- frequency – sampled synchro-phasors of voltage and
current from phasor monWitiodreinagreuansiytsste(PmMs Ustsu)dies & monitoring
• PMU receives analog inputs from PTs, and CTs, samples the values and calculates Phasors.
The resultingSigpnhifaicsaonrtsDaurteiessy: nchronized via GPS signal.
WAMS is used•foIrG:MC's WAMS is based on high- frequency – sampled (20ms) synchro-phasors of
- Modal Analysis voofltaIgneteanr-dAcurrereantOfrsoimllpahtiaosonrsmonitoring units (PMUs) and 20
Mo• niPmtMosPrUhinaresgocersiv.eTsheanraelsougltiinnpgupthsafsroorms PTs, and CTs, samples the values calculates
- Frequency are synchronized via GPS signal.
- Voltage StaWbiAlMityS Ais sussesdsfmore:nt
- Power Corrid-orsMModoalnAintaolyrsiinsgof Inter-Area Osillations
- Relative Angl--es FVbroeelqttauwgeeneScetynaMbAiolitnryietAoasrssinegssment
- Post-Event An- alPyoswiser Corridors Monitoring
- Relative Angles between Areas.
- Post-Event Analysis
PMU systemPMAUrcsyhsitteemctAurrceh:itecture:
Fig. 4 13
IRAN GRID MANAGEMENT Co.
• Upgrading security of grid operation by making use of online & offline studies,
appointing stability indices, and providing situational awareness
