Holistic Power Supply and Delivery Chain – Foundations for a Smart Grid

Holistic Power Supply and Delivery Chain – Foundations for a Smart Grid Stephen Lee Senior Technical Executive Power Delivery & Utilization March 10-11, 2009 Fifth Annual Carnegie Mellon Conference on the Electricity Industry

EPRI Report in Publication ,[object Object],[object Object],[object Object],[object Object],[object Object]

Smart Grid: Hype Cycle Smart Grid Need an Objective Assessment of the Potential for Smart Transmission and the Path to Achieve it

Current State – System Operations 2-4 Sec scan rates Limited to info from lines and transformers at substations MW, MVAR, KV breaker status Limited Grid Visibility ,[object Object],[object Object],[object Object]

Smart Transmission State – System Operations Higher speed scan rates Allows more frequent analysis of system state Enhanced Grid Visibility Credit to Paul Myrda for animation of the dots 750 +282j 250 +84j 100 +62j 20 + 8j 276 + 120j 130 + 8j 300 + 100j 750 + 262j 440 + 200j 120 + 11j 350 + 150j 227 + 420j 704 + 308j 2 3 4 5 7 6 1 8 9 10 11 12 13 14 15 16 17 176 +88j

EPRI’s End-to-End Power Delivery Chain Operation & Planning Data Communication Wide Area Control Sensors Monitoring, Modeling, Analysis, Coordination & Control End-uses & DR Distribution System Transmission System Energy Storage Fuel Supply System Fuel Source/Storage Power Plants Renewable Plants Controllers ZIP M Dynamic Load Models Dynamic Power Plant Models

New Challenges for a Smart Grid ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Foundations Still Deficient ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Alarm Management and Real-time Root-Cause Diagnosis ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why Accurate Load and Generator Models Are Needed? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Southern Co.’s GenVARR TM

Effective System Restoration Can Reduce The Societal Impact Of Widespread Blackouts Source: Mike Adibi, NSF/EPRI Workshop on Understanding and Preventing Cascading Failures in Power Systems, Oct 28, 2005.

New Solutions Are Needed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Potential Role of the Virtual Service Aggregator

Conclusions ,[object Object],[object Object],[object Object],[object Object]

Holistic Power Supply and Delivery Chain – Foundations for a Smart Grid

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