ptd energy management & information systems ferc tc: information technology for reliability...
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PTD Energy Management & Information Systems
FERC TC: Information Technology for Reliability & Markets
ISO-RTO Standards Collaborative July 14, 2004J. Waight
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 2
Security Constrained Unit Commitment
Objectives:Specify Interfaces to Security Constrained Unit Commitment (SCUC)
Continuation of EPRI CME project1st Project to demonstrate methods of ISO-RTO Standards CollaborativeDesired Result is that SCUC may be considered as a black box with standard input and output interfacesDesired Result is that ISO-RTOs can procure SCUC as a component, from any vendor, and run multiple SCUC in parallelISO-RTOs can integrate SCUC into a Market Operations System using a standard interface, at reduced cost
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 3
Process for Creation of Standard Interfaces
Each Vendor contributed its SCUC requirements Data Input Requirements and Descriptions Data Output Provided by SCUC and Description
ISO-RTOs review Input/Output requirements Create a profile of data required to support features of Market Commonality due to SMD
Review of existing Common Information Model IEC standard 61970 part 301 Search for existing models that can be reused
Extension of CIM to add Market Features Workshop approach
Development of a set of tools to automate creation of message schemas
Use of tools to create message schemas
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 4
Tools for Creation of Standard Interfaces
Model Driven Architecture Platform Independent Model maintained in UML
Rational Rose Intermediate Model
RDF/Schema Platform Specific Model
W3C XML Schema
XPETAL as tool for transformation Public Domain
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 5
Message Framework for SCUC
Input MessagesMarket Input Message (Bids)
Generation Bid Load Bid Transaction Bid
Network Model Input NERC CPSM profile
Standing Input Message RTO Product Definition Market Definition Market Participant Registration
System Requirement Load Forecast Generation Initial Conditions
Security Analysis Input Message Outages Contingencies Limits etc
Output MessageSchedulesPricesErrors & WarningsSolution Notes
Control MessagesSchemasFetchExecute
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 6
Results to date
First Project to Demonstrate ISO-RTO Standards CollaborativeThree workshops attended by
ISO-RTOs, Vendors, and ConsultantsRepeatable Process, Methodology, and Tools for Developing Interface StandardsModel Extensions to the Common Information Model (CIM) to support SCUCDevelopment of Message Sequence DiagramDevelopment of XML schemas to define messagesPlanning for pilot project to validate schemasAchieved in three month schedule
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 7
Questions ???
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 8
Backup: Message Sequence Diagram
User MarketSystem
SCUC(ID#)
EXECUTEEXECUTE (ID1,ID2,ID3,ID4, ID5)
FETCH (ID1)
Network (ID1)
FETCH (ID2)
Standing (ID2)
FETCH (ID3)
Market (ID3)
Results (ID1,X,ID3,ID4, ID5)
FETCH (X)
Standing (X)
DISPLAY
FETCH (ID3)
Market (ID3)
FETCH (ID4)
Security Analysis (ID4)
FETCH (ID5)
System Requirements (ID5)
Siemens Power Transmission & Distribution, Inc.Energy Management & Information Systems Division
07-14-2004 9
Backup: Model Driven Architecture Cascaded Pattern
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