e-terravision GR5 Marketing - NYISO ALSTOM SynchroPhasorSolutions NYISO 2010 Smart Grid Forum Jay...

GRID

ALSTOM SynchroPhasor SolutionsNYISO 2010 Smart Grid Forum

Jay GiriManu Parashar

December 10th, 2010

Agenda

1. Overview of ALSTOM’s SynchroPhasor Solutions

2. PMU and openPDC (openPDC)

3. Wide Area Situational Awareness (e-terravision)

− PMU Monitoring

− Oscillatory Stability Monitoring

− Online Stability Solutions (VSAT, SSAT,TSAT)

− Disturbance Detection & Location

− Islanding and Restoration

4. ALSTOM’s Current Offerings

5. Q&A Session

ALSTOM SynchroPhasor Solutions

ALSTOM’s Integrated SynchroPhasor Solution

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Wide-Area Advanced

Visualization

e-terravision

PMU Measurement-based information

(e.g. Oscillation Detection)

EMSImproved State Estimation using PMUs

e-terratransmission

1 per secondPhasor Data

Concentrator (openPDC)

Online Stability Solutions

30-60 per second

PMUs

PMUs

PMUs


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Generalized Grid Security Framework

Super-PDC

New PMU

Measurement

based

Analysis

Traditional

EMS Model-based

Analysis

SCADA

& AlarmsWAMS

State

Estimator

State

Measurement

Other EMS

Applications

New

Applications

Small Signal

Stability

Oscillation

Monitoring

Transient

& Voltage

Stability

Stability

Monitoring

& Control

EMS Generalized

Security System

Grid

System- Level


Agenda (cont.)

7. Specific Design and Functionality Questions – 1 hr− Scalability− Communication− Logging − Remote Configuration − Configuration Management− Standards Compliance− Security− Handling redundant data streams− Failover / Disaster Recovery− Local storage / buffering− Platform requirements− Visualization customization− Interoperability

• Design for interoperability

• Integration (APIs) with other systems (EMS/SCADA, power analysis apps, etc)

WECC - September, 2010

PMU & openPDCData Acquisition and Management

ALSTOM PMU (P847 Information)

Analog Channels

− Va, Vb ,Vc− Ia , Ib ,Ic− V1, V2,V0− I1 , I2 , I0− Frequency− Rate of Change of Frequency

Digital Channels

− Selectable − Any 8 status signals available

openPDC Backgroud

• Developed by TVA in support of the DOE sponsored NASPI initiative.

• In service at TVA (as ‘superPDC’ for Eastern Interconnection) since 2004.

• Currently collecting and storing data from over 120 PMUs across the Eastern Interconnection.

• Continually being enhanced & improved by Grid Protection Alliance (GPA), a non-profit company formed by the original openPDC developers, under contract to NERC

− Multiple releases (v1.0, v1.1, v1.2 & v1.3) this year; next release planned for Jan, 2011 (focus on security enhancements).

• Several current (and planned) openPDC evaluations underway at various ISOs, TOs including:

− TVA – Duke Energy – ISO-NE− PJM – Oklahoma Gas & Electric – BPA− MISO – Pacific Gas & Electric− FPL – American Electric Power− WECC – Dominion Power


Extensible functionality through the notion of ‘Input’, ‘Action’, & ‘Output’

Adapters.

• Input Adapters: process incoming data into a generic format.

• Action Adapters: perform processing functions such as sorting the input data or performing calculations (e.g. MW and MVAR, Event Detection), then transmit the results.

• Output Adapters: store time sorted data in Historians.

Modular Architecture (Adapter Layers)

Source: http://openpdc.codeplex.com/wikipage?title=Overview&referringTitle=Documentation

New InputProtocol

New Processing

New OutputProtocol

Database


openPDC Current State


Supported Input and Output Formats

• INPUT FORMATS− IEEE C37.118-2005 & Draft 6− BPA PDC Stream− SEL Fast Messaging− IEEE 1344-1995− Virginia Tech FNET− Macrodyne− IEC 61850-90-5 (Future)

• OUTPUT FORMATS− IEEE C37.118-2005 (optional auto-publish configuration frame)− BPA PDC Stream− ALSTOM Inter-Site Data (ISD) protocol for integration with EMS applications− Text based export− OPC (Future)

• COMMUNICATION STANDARDS− TCP IPv4 & IPv6− UDP Unicast / Multicast IPv4 & IPv6− Serial (Input Only)

OpenPDC Configuration

Management UI

Historian Options and Interfaces

• A historian local to the openPDC hardware is standard.

(includes Binary Files with automatic purging of outdated data & web based

retrieval mechanism).

• Interfaces to external historians through Output Adapters:

− Relational Systems (e.g., SQL Server, MySQL, Oracle)− CSV exports− OSIsoft PI (via C37.118 Protocol)− Open Historian using open source Hadoop storage− Text based, CSV− COMTRADE

• Interfaces for retrieving latest or historical data and metadata (REST Services or Subscription API)

Agenda (cont.)





e-terravision Advanced Visualization Framework for the

Electric Power Grid

Wide Area Situational Awareness Visualization

Grid Security Monitor

Wide Area Security

Situation AwarenessWide Area Visualization

Steady State

Security

DynamicSecurity

UI Navigation

WAMSAlerts

UI Navigation

PMU angles &

Oscillation

Monitoring

EMS RT

Network

Analysis

Small signal

Voltage

Transient

Local

UI &

Storage

PMU-based Apps Network Model-based Apps

Correlation

Non-operational

Data

Condition monitoringWeather information

Power system Grid

What is e-terravision?

• e-terravision is a decision support system for control centers.

− By providing actionable information for faster and more confident real-time decision making.

• Offers a unified view across the entire grid interconnection.

− Overview and regional schematic displays when needed− Efficient navigation through data to get to “information”

• Mitigate operational risks, ensure system reliability.

• Built for high availability

• Designed in collaboration with major utilities:

− AEP, TVA, Entergy, First Energy, etc…

• Certified by Situation Awareness (SA) industry experts

− Mica Endsley, SA Technologies, Marietta GA

NYISO - August, 2010

Query: station voltages

Flyout: SCADA 1-lines

Power flow animation

Wide Area Situational Awareness Visualization (e-terravision)

Dynamic Dashboard, Trends, Pie Charts

Contour: area Voltage

Trend Charts

e-terravision Architecture

RT Data Sources/Providers

•PDC/PMU data

•RT SCADA & topology

•Steady State Network Analysis (CA/SE)

•Transient Stability Analysis

•Weather Data, Fires, Lightning…

•RTDMS, Space-Time-Insight, etc

Network Model Import

e-terravision

Viewer

(Workstations)

e-terravision Viewer

(Wallboard)


(Corporate Office, TO’s)

Citrix Servers

PDC DS1 DSn

e-terravision @

TOs

PMU

Measurements

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e-terravision Functionalities & Data Requirements


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PMU Data(IEEE C37.118) × × × × ×SCADA Data(ICCP) × × × × × × ×Network Data(PSSE or CIM/XML)

× × × × × × × × × ×

Dynamic Data(PSSE) × × × × × × × × × × × ×Non-Electric Data(KML Files)

× × × × × × × × × × × × × ×

PMU Only SCADA Network Dynamic Other

PMU Information in e-terravision

Monitor ‘angular separation’ as an indicator of increased grid stress due to:

Monitor ‘Angle Separation’ between source & sink

Phase angular spread across power system


Identify low voltage areas

Oscillatory Stability Monitoring (OSM)Uses PMU data at the 10-60 sample/sec rate

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(30-60 per second)

Oscillatory Mode Frequencyf

Oscillatory Mode Damping

Oscillatory Mode Shape

(i.e. Amplitude & Phasing)

Real-time Measurements

from the Power System

A

PMU measurement-based approach.

Process the most recent PMU data

to characterize oscillatory dynamics:

– Frequency of oscillatory dynamics

– Oscillation decay rate or damping

– Participation of units in oscillations (Mode Shape)

PMU datacapture

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osc

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tory

stab

ility

an

alys

is


Small Signal Oscillatory Stability MonitoringModes shapes, amplitudes, damping, frequency, etc

Real-time alerts on poorly damped oscillations

Identify regions where inter-area oscillations are observable

Track oscillatory

stability in real-time.


Small Signal Oscillatory Stability Monitoring and e-terravision

Small Signal Oscillatory Stability Monitoring DisplaysUses PMU data at the 10-60 sample/sec rate

Mode Frequency &

Damping Trends

Mode Shape

Information

Mode Energy Trends

Power SpectrumQuickly identify prominent

oscillatory modes.

Oscillatory Mode TrendingTrack mode damping levels

over time.

Higher energy at mode frequency

excited by event on the grid

Launch OSM Analyst displays directly from e-terravision.

Agenda (cont.)





Online Stability Solutions (OSS)

Online Stability Solutions (OSS)

An integrated measurement-based and model-based stability assessment

application that runs in real time.

Stability assessment visualization within e-terravision.


PMU measurement-based methods

monitor grid stability in real-time: – Track current damping levels.

– Detect & alarm on dangerous oscillations

& sudden events.

PREDICT & MITIGATE

EDGE

MONITOR

OPERATING POINT

Model-based techniques (SSAT, TSAT, VSAT)

provide the predictive component (i.e. ‘what-if’ analysis)

– Available MW transfer capability (‘distance’ to the edge)

– Assess impact of critical contingencies. (e.g. change in damping levels)

– Recommend controls based on sensitivity information.

Voltage Security Assessment Voltage Contours, MW Margins, Weak Elements, Remedial Actions

Identify weak elements (i.e. regions most prone

to voltage instability)

MW Transfer Margins

Control Recommendations


Regional Reactive Reserves Where are the Vars ?

Select region of interest to identify available VAR resources

Detailed summary of existingresources within chosen region


GRID

Other Advanced SynchroPhasorApplications

Use PMUs and SCADA data to triangulate

precisely locate the origin of the disturbance

A sudden disturbance causes a traveling wave that can be detected by PMU data across the grid:

Source: VirginiaTech FNET

Disturbance Location

Disturbance Location


Disturbance alerts/alarms within e-terravision

e-terravision

Islanding Detection and Restoration

• Use the high resolution PMU data to detect an islanding situation

based on the fast separation of phase angles.

• Determine the coherent groups of generators (those swinging in

unison).

• Identify (1) individual islands, (2) associated points of separation,

and (3) available resources within the island.

• Assist with the re-synchronization and restoration process.

Coherent Groups

Agenda (cont.)





ALSTOM’s Current Offerings

Deployment Options:

e-terravision Server

(redundant pair)

openPDC (C37.118)

FUNCTIONALITY• PMU Angles / Angle Difference Pairs

•Oscillatory Stability Monitoring (OSM)

•Disturbance Alarms

•Island Detection & Restoration (FUTURE)

•State Estimator (SE)

•Contingency Analysis (CA)

•Weather & Lightening Data

•Voltage Stability Assessment (VSAT)

•Small-Signal Stability Assessment (SSAT)

•Transient Stability Assessment (TSAT)


Non-Alstom EMS

•CIM/XML or PSSE file

•Contingency Analysis .csv file

KML

file

DSA Tools

-VSAT

-SSAT

-TSAT

PMU Data

+ SESnapshot

+ KML Files

+ DSA Tools

ALSTOM’s Current Offering

openPDC Integration Services

− openPDC ISD interface to SCADA

Improved State Estimation using Voltage and Current PMU data

Wide Area Situational Awareness Visualization (WASA)

− Monitoring angle differences for instability− Faster detection & alarming of unexpected events− Identifying low voltage areas

• Identifying available, relevant voltage support sources − User-created, on-the-fly, dynamic dashboards

• For current area of interest

• Combine SE & SCADA information with PMU information

• Trending & monitoring of specific grid conditions

Online Stability Solutions (OSS) integrated with visualization platform:

− VSAT /SSAT/TSAT integration with Visualization platform− Oscillatory stability monitoring (OSM), detection & corrective control recommendations

PMU Placement – Optimal Siting Studies


openPDC Webinar - September 2010

Agenda (cont.)





Thank You

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