PowerPoint Template Instructions and Sample Slides

Pat BrownPrincipal Technical Leader, IntelliGrid Program

Jay BrittonBritton Consulting, LLC

Margaret GoodrichSystems Integration Specialists Company, Inc. (SISCO)

August 21, 2014

Network Model Manager

Requirements Overview

Smart Grid Information Sharing Webcast

2© 2014 Electric Power Research Institute, Inc. All rights reserved.

EMS/Ops

Planning

Protection

Training

Simulator

Transient

Analysis

Expansion

Planning

. .

. .

. .

. .

. .• Every tool requires its own

network model, in its own

format

• Every tool has its own users

and maintainers

• Silos are both technical

and organizational

Transmission Network Model ManagementIn Support of Reliability


• Silos cause:

– Duplicate effort

– Synchronization problems

– Consistency issues

– “Trapped” data

Lots of energy invested in unproductive work

Errors can go unrecognized

Transmission Network Model ManagementTechnical & Organizational Silos


• Network Analysis landscape since 1960s

Transmission Network Model Management

Background

Network Analysis

PlanningDigital computers,Newton & sparse

matrix

1960s




Background

Network Analysis

EMSState estimation,

Contingency analysis


matrix

PlanningFile systems,Text editors

1970s



ProtectionAspen, CAPE


Background

Network Analysis




matrix


PlanningDatabases, scripting

1980s



MarketCongestion

management



Background

Network Analysis




matrix



1990s



MarketCongestion

management



Background

Network Analysis




matrix



– More and more silos

2000s


• Silos at multiple levels – TSO, ISO, Interconnect


Industry Landscape

TSOEMS

Protection

Planning

ISO

Planning

Market

TSOEMS

Protection

Planning

ISO

EMS

Market

Interconnect

Planning


• Consolidated model management

Market Protection


Encouraging Developments

Network Analysis

Planning

– ERCOT model management implementation

EMS

NMMS



Market Protection


Encouraging Developments

Network Analysis

Planning

– ERCOT model management implementation

– Product configuration tools

EMS


– Network model interoperability tests started in 2000 –

more than 15 to-date

– Planning (bus/branch) model added in 2008


Support from the CIM

– Began as operational model in early 1990s

– Support EMS components from different vendors

– Became IEC Standard in mid-1990s

– Understood as basis for semantic model for enterprise integration

– Dynamics (transient behavior) model

added in 2013

– Projects, outage and contingency

modeling are current topics

– Now nearly robust enough to truly

support NMM tool integration

• Common Information Model (CIM) as foundation


Network Cases

EMSNetwork Model

Enterprise Data Sources

Line Impedance Calculation

Circuit Description

Transformer Data

Substation As-Built

Outage Studies

Substation Load History

Planning Base Cases

Import/Export Cases

Generator data

Plans

Line Rating Calculation

Validation Cases

ProtectionModel/Cases

GIS

Outages


Existing Situation


TSO Footprint Enterprise Data Sourcesfor TSO Consumers

Construction Projects

Construction Package

Proposed Projects TSO Network Model

Consumer Applications

TSO PlanningPower Flow Application

External Footprint Data Sourcesfor TSO Consumers

ISO Planning Power FlowApplication

Case Assumptions

OperatingPhilosophies

Physical Network Model

xfmr serial number, factory test results

Equipment FactoryTesting

Circuit Limits Calculator

Trans Plan Model

Ratings(ratings for every circuit

component, includes relay settings that limit

ratings)(generic device rating/

limit information)

Circuit Limits(8 temperature-based

levels)

yearly non-coincident per transformer

peak load projections

yearly non-coincident per transformer

peak load projections

factory test results

rating information

reference

electronic transfer

electronic transfer

TSO EMS

EMS Model

equipment names, normal states, connectivity,

load & generation locations, transformer

tap data, telemetry

line impedances

generator location, generator steady-

state behavior characteristics

voltage schedules

non-SCADA load allocations

peak loads

reference

line & transformer circuit limits

.pdf of test results

Asset Procurement asset data

load injections

load scalingload scaling

Trans Plan Engin

Trans Plan Engin

Summer Peak

Base Case

planned equipment names, connectivity,

load & generation locations

line & transformer circuit limits

Trans Plan Model

Trans Plan Model

generator injections

Study DTSEnvironment Simulator

EMS Study Case

interchange schedules

external interchangeTrans Plan

ModelTrans Plan

Model

typical equipment limits

reference

typical equipment impedances

LimitsLimits

ControlControl

Load ConfigLoad Config

equipment name, connectivity

ManualEntry

Trans Plan Model

Trans Plan Model

tap settings

DTS Model

EMS cases are based on

configuration source data

UV and UF relay settings

Dynamics Case

generator dynamic behavior

characteristics

transformer impedances & taps

Relay Engineering

Trans P and CTrans

P and C

DTS Scenario

DTS scenarios are based on configuration source data

equipment names, normal states,

transformer tap data, connectivity,

load & generation locations

Asset Management

(existing assets, names, nameplate information,

including rating)

Asset Mgmt

Station Engin

Station Engin

occasional relaying info

script per case rating update

script per case rating update

Summer Peak

Base Case

ISO

Summer Peak

Base Case

Dynamics Case

Trans Plan Model

Trans Plan Model

Trans Plan Model

Trans Plan Model

reference

email with requested line & transformer

impedances

external network equipment names,

normal states, connectivity, impedances,

load locations & allocations

external network equipment names,

normal state, connectivity,

load locations, ICCP config

external generator locations, generator

steady-state behavior characteristics

external network line & transformer impedances

voltage schedules

generator location, operating characteristics

ISO

line & transformer impedances

ISO

internal (muni load) interchange

ISO

voltage schedules

ISO

ManualEntry

Trans P and CTrans

P and C

load & generation injection adjustments

PurchasingPurchasing

TSO Voltage Stability Analysis Tool

Summer Peak

Base Case

Summer Peak

Base Case

Trans Plan Model

Trans Plan Model

per case translationper case

translation

generator time constants

ManualEntry

EMS Support

EMS Support

external outagesoutages for initial

& day-ahead studies

external real-time measurement values /

states

external equipment/circuit ISO OS IDs

added/removed equipment IDs

NERC SDX(Eastern Interconnect

outages)

NERC

TSO Outage Scheduler

Outageable Equipment

Model

equipment names, in-service dates,

connectivity

station and asset information

ManualEntry

ICCPICCP

EMS Real-time Case

equipment name, normal state, connectivity, load

locations

Other Utility

internal TSO outages

internal TSO outages

outage request

outages for initial study

TSOPlanned

Field Work

FieldPersonnel

FieldPersonnel

outages for day-ahead study

internal TSO outagesNERC SDX

(Eastern interconnect outages)

NERC

outages for initial study

load & generation injection adjustments

system load

reference

Outage Scheduler(internal planned & actual

outages)

OS Support

Real-time Data Historian

(historic EMS point values)

EMS Support

historic point data used as needed to validate Planning case assumptions

Field Construction

Construction Planning

Design

Single line diagram(connectivity, equipment name,

line name, load location)Telemetry, control

Tap settingsRelaying diagram/schemes

Equipment list, conductor size

Design

Single line diagram(connectivity, equipment name,

line name, load location)Telemetry, control

Tap settingsRelaying diagram/schemes

Equipment list, conductor size

Station Engin

As-Built

revised Design Package

As-Built

revised Design Package

ISO .interconnection

projects

ISOtransmission

upgrades

TSOexpansion planning

Trans Plan Engin

Planned Project Database

(proposed/planned project information:

dates, costs, engineering details, drawings, status,

project manager)

line & transformer circuit impedances

reference

Protection Engineering Tool

Short Circuit(line & transformer impedance matrix,

generator impedances – includes topology)

Trans P and C

Relay (calculated internal relay

settings, record of external relay settings)

Line Constants(physical line

characteristics, topology)

detailed physical line characteristics

equipment, connectivity

equipment, connectivity

xfmrimpedances

relay settings

relay specifications/schemes,

CT/PT ratios

generator location, operating characteristics

for generators in operation / under

construction

ISO/Generator Owners

asset data

reference

xfmr nameplate

Station Engin

Station Engin

Trans Plan Model

Trans Plan Model

Load ForecastApplication

(system load forecasts)

Control Center

Trans Plan Model

Trans Plan Model

ManualEntry

EMS Support

EMS Support

ManualEntry

OS SupportOS Support

unplanned (actual) outage

TSO System Event

ControlCenter

ControlCenter

Load History Database

(monthly substation Distribution bus peak loads)

Distr Engin

yearly per operating company load projections

ISO

load dynamic behavior

characteristics

Trans Plan Model

Trans Plan Model

Trans Plan Model

Trans Plan Model

script per case update file


internal contingency list selection

Trans Plan Engin

Trans Plan Engin

internal contingency lists

Trans Plan Model

Trans Plan Model

Trans Plan Model

Trans Plan Model



ManualEntry

Trans Plan Model

Trans Plan Model

Contingency List

Contingency List

ManualEntry

Trans Plan Engin

Trans Plan Engin

Trans Ops Engin

Trans Ops Engin

ManualEntry

EMS Support

EMS Support

ManualEntry

Trans P and CTrans

P and C

Trans P and C

Transformer Impedance Database(transformer impedances)

reference

Trans Ops Engin

Trans Ops Engin

reference

contingency & monitored element

configuration

Trans Ops Engin

Trans Ops Engin

internal equipment/circuit ISO OS IDs

ISO Outage Scheduler

ISOadded/

removed equipment IDs

ManualEntry

Trans Ops Engin

Trans Ops Engin

ControlCenter

ControlCenter

Trans Ops Engin

Trans Ops Engin

ManualEntry

ControlCenter

ControlCenter

ManualEntry

Trans P and CTrans

P and C



load & generation locations, generator

steady-state behavior characteristics, line &

transformer circuit impedances, line & transformer limits, voltage schedules, load & generator

injections, interchange



load & generation locations, generator

steady-state behavior characteristics, line &

transformer circuit impedances, line & transformer limits, voltage schedules, load & generator

injections, interchange

load & generation dynamic behavior

characteristics

Key

ActorActor

process details

process details

process details

process details

ManualEntry

Actor assisting w/ information flow

Manual information flow

Partially automatedInformation flow

AutomatedInformation flow

TSO Data Owner

Application/ System/

Database Source

Non-TSO Data Owner

Application/ System/

Database Source

TSO PlanningPower Flow Application

Summer Peak Base Case

Trans Plan Model

ISO EMS

ISO

EMS Model

Run-Time EMS

one-line indicating

change

one-line indicating

change

ISO Outage Scheduler

Outageable Equipment

Model

ISO

Outages

ISO outages

OS SupportOS Support


Information Flows


Network Cases

EMSNetwork Model



Circuit Description

Transformer Data

Substation As-Built

Outage Studies


Planning Base Cases

Import/Export Cases

Generator data

Plans


Validation Cases

ProtectionModel/Cases

GIS

Outages

Network Cases

EMSNetwork Model



Circuit Description

Transformer Data

Substation As-Built

Outage Studies



As-Built Internal

As-Built External

Plans Internal

Plans External

Planning Base Cases

Import/Export Cases

Generator data

CM

Plans


Validation Cases

PNM

ProtectionModel

GIS

Object Registry

Outages


The NMM Vision


• 2013 Integrated Network Model Management supplemental

– “Deep-dive” supplemental with FE and AEP

– Understanding of existing practices and potential benefits of

consolidated approach

• 2013 161B Deliverable – a Do-It-Yourself Guide– Network Model Manager and Repository: A Guide to Exploring the

Potential of Centralized Network Model Management for the

Interested Utility, PID 3002000609

Documents “deep-dive” process

Supplemental still open


Current EPRI Work



Market Protection

NMM Requirements Overview

Network Analysis

Planning

– Utilities ready to implement

– Real NMM product market niche

EMS

NMM



Market Protection

NMM Requirements Overview

Network Analysis

Planning

– Utilities ready to implement

– Real NMM product market niche

– Silos get in the way

EMS


– Overview of consolidated model management tool requirements

– Sponsored and created by 8 utilities and 2 vendors

TSOs - AEP, BPA, Électricité de France, NationalGrid UK, Oncor

ISOs – ISO-NE, MISO, PJM

Vendors – Alstom, Siemens/Siemens PTI

– Results publicly available for free

– Influence the industry

• 2014 Network Model Manager Requirements Overview

supplemental

Accelerate utility interest

Broaden vendor vision

NMM Requirements Overview Project


??

?

??

Network Cases

EMSNetwork Model



Circuit Description

Transformer Data

Substation As-Built

Outage Studies


External Sources

External Model


As-Built Internal

As-Built External

Plans Internal

Plans External

Planning Base Cases

Import/Export Cases

Generator data

CM

Plans


Validation Cases

Outages

PNM

ProtectionModel

GIS

Object Registry

Outages

Internal Model


Use Cases to Identify Requirements


Network Cases

EMSNetwork Model



Circuit Description

Transformer Data

Substation As-Built

Outage Studies


External Sources

External Model


As-Built Internal

As-Built External

Plans Internal

Plans External

Planning Base Cases

Import/Export Cases

Generator data

CM

Plans


Validation Cases

Outages

PNM

ProtectionModel

GIS

Object Registry

Outages

Internal Model




Network Cases

EMSNetwork Model



Circuit Description

Transformer Data

Substation As-Built

Outage Studies


External Sources

External Model


As-Built Internal

As-Built External

Plans Internal

Plans External

Planning Base Cases

Import/Export Cases

Generator data

CM

Plans


Validation Cases

Outages

PNM

ProtectionModel

GIS

Object Registry

Outages

Internal Model

Process Group E:

Input from Cases

Process Group D:

Exporting Base Cases for

Operations and Planning

Studies

Process Group C:

Testing & Validation Processes

Process Group B:Exchange with External

Entities

Process Group A:

Internal Input to the NMM




PNM

PhysicalNetwork Model Parts Repository

- Internal As-Built- External As-Built

- Internal plans- External plans

User Workspaces

User InterfaceModel Navigation & Edit

Inte

grat

ion

Serv

ices

NMM


CM

Case Model Parts Repository

CIM

Analysis Applications /

SystemsObject Registry


NMM Functional Overview


• Physical Network Model (PNM) Requirements

Provide a secure, permanent store for PN Model Parts

– PN Model Parts directory

– Integrate with Asset Management System

– Integrate with GIS System (and support Distribution Model Parts)

– Include locally-created and imported and PN Model Parts


NMM High-Level Requirements

PNM




User Workspaces


Inte

grat

ion

Serv

ices

NMM


CM


CIM

Object Registry

– Include Model Parts used for assembly

– Maintain versions of PN Model Parts

including current baseline

– Maintain projects – sets of changes to

PN Model Parts


• Object Registry Requirements

Support object registry services to manage the names of

network model Canonical Objects in different contexts

– Primary object registration on Model Part save

– Support for secondary registrations

– Support for object registration/retirement notification

– Generation of name mappings to/from MRID/names



PNM




User Workspaces


Inte

grat

ion

Serv

ices

NMM


CM


CIM

Object Registry


• Workspaces Requirements

Support multiple Workspaces for carrying out NMM operations

in parallel

– Multiple users

– Support for model/case assembly

– Intermediate area for saving work before storage in PNM / CM

– Standard set of functions which operate on Workspace content

(selecting, loading, assembling, editing, saving, validating, etc.)



PNM




User Workspaces


Inte

grat

ion

Serv

ices

NMM


CM


CIM

Object Registry

– Extensible with locally-written functions

– Differencing of Model Parts or

Workspace content

– Audit trail to present state

– Definition of Procedures for automating

actions


• User Interface Requirements

Capability for users to browse and edit NMM content

– Editing via one-lines – “electrical connectivity and schematics shall be created

co-operatively and assured consistent”

– Security and access control mechanisms to meet industry

requirements – reference recent Energy Sector Control Systems Working Group

(ESCSWG) document

– Workspace content save / retrieve



PNM




User Workspaces


Inte

grat

ion

Serv

ices

NMM


CM


CIM

Object Registry


SSH

Device Status Initialization/Edit

Topology & Network Solution

Algorithm

Energy Forecasts & Schedules

SV

Energy Injection Initialization/Edit

Control Setting Initialization/Edit

Physical Model

Select / Edit

MonitoringInitialization/Edit

EQ

Outage Schedules - Status

- Switch status - In Service - Branch end - Tap positions- Control settings - Voltage regulation - Flow regulation - SIPS- Monitoring - Operating limits - Other- Energy Injections - Bulk generation - Solar - Wind - Storage - Traditional Load - DR - etc,

TP- TopologyNodes- association to conducting equipment

- Energized State- Island Topology- BusVoltage- Bus Injections- Terminal flows- Controls- Violations

Anatomy of a Network Analysis

Case

Physical Network Model Parts Repository(PNM)

DL

DY

GL- Equipment- Containment- Connectivity- Controls- SIPS- Equipment Rating- Normal operations- Energy allocation

Other External Sources

Case Model Parts Repository(CM)

Measurement Sources

Full Model Parts

Incremental Model Parts

Model Part Types:

· EQ· DL· DY

· GL

Full Model Parts

Incremental Model Parts

CL


Anatomy of a Network Analysis Case


SSH


Algorithm

SV

EQ

- Status - Switch status - In Service - Branch end - Tap positions- Control settings - Voltage regulation - Flow regulation - SIPS- Monitoring - Operating limits - Other- Energy Injections - Bulk generation - Solar - Wind - Storage - Traditional Load - DR - etc,




Case

DL

DY


CL

• Model and Case Assembly Requirements

Support the IEC CIM modular concept for assembling network models

and network analysis base cases

– Model assembly in Workspace, including

PN Model Part selection & loading

Project selection & loading

Built-in and locally-written services

(simplification, etc.)




• Model and Case Assembly Requirements (continued)

Support the IEC CIM modular concept for assembling network models

and network analysis base cases

– Case assembly in Workspace, including

Addition of Case Model Parts

to model assembly

SSH Model Part generation

via built-in or locally-written services

– Audit trails for assembled models/cases



SSH


Algorithm

SV

EQ

- Status - Switch status - In Service - Branch end - Tap positions- Control settings - Voltage regulation - Flow regulation - SIPS- Monitoring - Operating limits - Other- Energy Injections - Bulk generation - Solar - Wind - Storage - Traditional Load - DR - etc,




Case

DL

DY


CL


• Validation Requirements

Support for testing and validation regimen

– Topology processing service

– Power flow service




• Integration Requirements

CIM-based integration services which allow NMM integration without

modification of NMM code

– Import / export of Model and Case Parts and Projects

– Workspace export

– Import of CIM-standard data into Workspace

– Interfaces based on IEC CIM information modeling and profiling



PNM




User Workspaces


Inte

grat

ion

Serv

ices

NMM


CM


CIM

Object Registry


• Extensibility Requirements

Model-driven data content, CIM-based information exchange definitions

extensible to match utility Canonical Data model

– Process for updating Model Part schema and transforming NMM

content to new version

– Support for phased implementation and successive schema

extensions





Deliverable and Contacts

Network Model Manager Technical Market Requirements: A Transmission Perspective

PID 3002003053www.epri.com

• Pat Brown, [email protected]

• Jay Britton, [email protected]

• Margaret Goodrich, [email protected]

http://www.epri.com/

mailto:[email protected]



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