bpa system restoration plan - western energy...
TRANSCRIPT
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BPA System Restoration Plan
Cascadia Subduction Zone Preparedness Summit 2015
Daniel Goodrich, P.E.
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Outline
• Purpose• Restoration Plan Basics• BPA’s Preparations• What you can do
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Purpose
This morning you learned about the potential impact of a CSZ event on the power system
– Physical impacts (Leon Kempner)– Grid impacts (James Wong)
This presentation:• Review BPA’s restoration plan• Hope for the best; assess when it happens; plan
for the worst
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Restoration Plan Basics
Question: How do you make electricity without electricity to run all the auxiliary equipment?
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Starting a Motorcycle
Consider starting a motorcycle engine:1) Battery 2) Kick Start 3) Running start
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Restoration Plan Basics
Solutions: – “Black Start” Hydroelectric– Interconnections
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Restoration Plan Basics
Step 1: Assess• Post-event conditions• Communicate with the Reliability Coordinator
(RC)
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Restoration Plan Basics
Step 2: Begin building generation-load islands, if needed.• Start generation• Energize transmission lines• Add loads (customers) slowly to match
generation and keep frequency near 60 Hz
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Generation TransmissionCustomer Load
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Generation TransmissionCustomer Load
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Generation TransmissionCustomer Load
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BPA’s Preparations
• Power flow studies• Drills with Power System Operators
(Dispatchers)• Coordinate with Western Interconnection
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Power Flow and System Protection Studies
• Ensure that system remains stable while re-energizing the system (voltage, current, frequency)
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Annual Drills
• Review the plan• Drill
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What You Can Do
• Review your company’s Restoration Plan• If you are a coordinating entity, you can view
your company’s copy of BPA’s Restoration Plan (examples of BPA participants are Clark PUD, EWEB, Pacificorp, PGE and Puget Sound)
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Restoration FAQ
• How long will it take?– Grid backbone: One Day– Customers: Days or weeks, depending on damage,
including your distribution systems• How can I get information?
– Contact your Provider (Transmission Operator)– Reliability Coordinator– BPA’s Incident Management Team will be in contact
with the media
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Resources
Reliability Coordinator Restoration plan: https://www.peakrc.com/RCDocs/RC%20Area%20Restoration%20%20Plan%20v3.0.pdf
Wikipedia: http://en.wikipedia.org/wiki/Black_start