a smart u.s. power grid for a reliable and sustainable service · 2016. 6. 3. · smart and secure...
TRANSCRIPT
Smart and Secure Transmission Grids To Realize US
and EU Renewable Energy Potentials
A Smart U.S. Transmission Grid for a Reliable and Sustainable Service
Pei ZhangProgram ManagerElectric Power Research InstituteAAAS 2010 Annual MeetingFebruary 19, 2010San Diego
2© 2010 Electric Power Research Institute, Inc. All rights reserved.
US Renewable Energy Portfolio Standards
3© 2010 Electric Power Research Institute, Inc. All rights reserved.
Transmission Development Is a Must!
Legend
Demand Centers
High Wind Availability
4© 2010 Electric Power Research Institute, Inc. All rights reserved.
Smart Planning Requires Better Coordination
5© 2010 Electric Power Research Institute, Inc. All rights reserved.
Smart Planning Requires News Planning Methods and Tools
CAISO Load vs. Total WindSummer 2006
22,000
24,000
26,000
28,000
30,000
32,000
34,000
36,000
38,000
40,000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Hours
Load
MW
0
100
200
300
400
500
600
700
800
900
1,000
1,100
1,200
Win
d/S
olar
MW
Load Total Wind Solar
6© 2010 Electric Power Research Institute, Inc. All rights reserved.
Variability & Uncertainty
7© 2010 Electric Power Research Institute, Inc. All rights reserved.
Smart Operation Requires Better Monitoring Capabilities
8© 2010 Electric Power Research Institute, Inc. All rights reserved.
Smart Operation Requires Better Analyzing Capabilities
How good is the load forecast today?
How good is the load forecast today?
What is the wind power forecast? What is the ramp rate?
What is the wind power forecast? What is the ramp rate?
What are the Interconnection schedules?
What are the Interconnection schedules?
What is the load forecast change? What is the ramp rate?
What is the load forecast change? What is the ramp rate?
How good is the wind power forecast today?
How good is the wind power forecast today?
Net ChangeRamp Rate Requirement
Is the merit order changing?
Is the merit order changing?
What generators are still ramping from the last dispatch? How much energy is still to come?
What generators are still ramping from the last dispatch? How much energy is still to come?
Slide Courtesy of John Kehler, AESO
9© 2010 Electric Power Research Institute, Inc. All rights reserved.
Smart Operation Requires Better Controlling Capabilities
Control Instructions
Communication Infrastructure
10© 2010 Electric Power Research Institute, Inc. All rights reserved.
Variable
Generation
Controllable
Loads
DR
Control Center
Transmission Infrastructure
Controllable Loads are Balancing Resources
11© 2010 Electric Power Research Institute, Inc. All rights reserved.
EPRI Smart Grid Demonstration Projects
Distributed Generation Renewable Generation Storage Demand Response
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12© 2010 Electric Power Research Institute, Inc. All rights reserved.
Together…Shaping the Future of Electricity
Pei Zhang
Program Manager
Power Delivery & Utilization
650-855-2244 (O)