©© 2009 Siemens2009 Siemens Energy, Inc.Energy, Inc.

SIGUARD System for Phasor Data ProcessingSIGUARD System for Phasor Data ProcessingReal Time Visualization and Disturbance RecordingReal Time Visualization and Disturbance Recording

Dan MurrayDan MurraySiemens Siemens Energy, Inc. Energy, Inc.

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 2

SIGUARD Phasor Data Processing System System Description

SIGUARD is a software-basedPhasor Data ConcentratorData ArchiveUser Interface

UsersSystem operatorsPower system analysts

Modes of OperationOnline: Real-time operationOffline: Post event analysis

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 3

SIGUARD Phasor Data Processing System System Architecture

Install on single PC or multiple PCs

Supports multiple User Interfaces (UI)

Works with all PMUs strictly conforming to IEEE C37.118 Standard

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 4

SIGUARD Phasor Data Processing System Application Areas

Inter - AreaOscillations

1V

2VLoss of

Synchronization

LineTrip

f

t

Cascadingoutages

P

V

Voltagecollapse

Reactivepower

shortage

Transmissioncorridor

congestion

HeavyLoad

Loss ofGeneration

Frequencydeviation

LocalOscillations

Voltage stability Frequency stabilityPower oscillationsLoadability

Voltage stability Frequency stabilityPower oscillationsLoadability

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 5

SIGUARD Phasor Data Processing SystemUser Interface

Power System StatusPower System Status

MapsMaps ChartsCharts Measurements&

Formulas

Measurements&

Formulas

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 6

SIGUARD Phasor Data Processing SystemUser Interface

Power System StatusPower System Status

Curve shows state of complete power system based on user-defined

Min / Max limits

Use Limit button to set Min / Max limits

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 7

SIGUARD Phasor Data Processing SystemUser Interface

Power System StatusPower System Status

Use sliders and cursor in offline mode for playback

Online / OfflineButton

Charts and map transitions synched in playback mode

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 8

SIGUARD Phasor Data Processing SystemUser Interface

MapsMaps

Quickly create one-lines in Google Earth tool

Click on “Preselect”button, drag mouse over

map and just those preselected data points appear in Measurement

section

Legend: Object ColorBlue – NormalYellow – Near criticalRed – Critical

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 9

SIGUARD Phasor Data Processing SystemUser Interface

ChartsCharts

Vector DiagramPhasors

Line DiagramsAnalog & Phasors

Drag-and-DropMeasurements into

Chart Area

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 10

SIGUARD Phasor Data Processing SystemUser Interface

Measurements&

Formulas

Measurements&

Formulas

Create customer Formulasthen drag into Chart area

Graph special applications such as “Nose” curve (voltage over power)

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 11

SIGUARD Phasor Data Processing System Reporting

Copy and Paste

*.csv Report

DataQuality Codes

Right-clickon Chart

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 12

SIGUARD Phasor Data Processing System Product Roadmap & Areas of Interest for Pilot Projects

Monitoring

SIGUARD®

Measuring

1-5sec20ms-200ms1-100ms

Signal-

Transmission Steps

IntelligentAlarm

Processing

Metered Valuesof

Transducers

Swit

chin

gSt

ate

Met. ValuesResults

State estimatorShort-Circuit

LoadflowContingency

Rel

aySe

ttin

gs

FaultLocation SIMEASSAFIR

Metered Valuesof

Relays / Recoders

Fault RecordsFault Protocols

Evaluation locally IEEE C37.118

Metered Valuesof

PMUs

Met. ValuesWAMS

ResultsOperat. Instructions

WAPC

Phasor Data Processing

System

Expert system

Scalableaccording to no. of PMUs

ResultsOperat. InstructionsOperator-Training

PredictingDSA – PSSTMNETOMAC PSA – PSSTMSINCAL

Expert system

Legend (Box color)Blue boxes: Products TodayBlue/Orange: Areas for PilotsOrange: Future Products

Legend (Box color)Blue boxes: Products TodayBlue/Orange: Areas for PilotsOrange: Future Products

© 2009 Siemens Energy, Inc.NASPI Working Group Meeting Chattanooga, October 7, 2009Page 13

SIGUARD Phasor Data Processing System Conclusion

Primary Application AreasVoltage stabilityFrequency stabilityPower oscillationsLoadability

Customer BenefitsOperational support for preventing blackoutsClose information gap between protection & SCADA measurementsGreater loading of transmission lines while maintaining stabilityFast analysis of power swings; quickly generate disturbance reports

Phasor measurement technology leads to future Smart Grid app’sSystem integrity protection schemes (SIPS)Power oscillation damping devices (FACTS, fast valving)Real time state estimator