CIP-014 Critique MPSCon

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CIP-014 CritiqueMPSConFrank R. McElvain, PE, St. Paul, MNRestricted Siemens AG 2015 All rights reserved.Nov 11, 2015usa.siemens.com/em

Disclaimer My opinionsare my ownRestricted Siemens AG 2015 All rights reserved.Page 22015-XX-XXAuthor / Department

What is CIP-014? NERC has a collection of ReliabilityStandards divided into a dozenreliability categories that apply to a dozen registered functionalentities. One classification family:CIPaddresses Critical InfrastructureProtection Mostly cyber assets and security CIP-014 is an exception as itaddresses physically energizedhigh voltage assets. Driven by recent substationincidents.Restricted Siemens AG 2015 All rights reserved.Page 32015-XX-XXAuthor / Department

CIP-014 OrganizationFirst HalfSecond HalfElectric FocusPhysical FocusDetermine the Substation’selectric system criticalitySecure the critical substationRestricted Siemens AG 2015 All rights reserved.Page 42015-XX-XXAuthor / Department

Electric Studies:What does the Standard Primarily Require? Stations which require study: All 500 kV and higherThree or more 345 kVTwo 345 and one or more 230 kVOne 345 kV and three or more 230 kVFive or more 230 kV Have a methodology Follow Your Methodology Have an Independent Third PartyVerify your work.Restricted Siemens AG 2015 All rights reserved.Page 52015-XX-XXAuthor / Department

What are the Elements of a ComprehensiveEvaluation? An analysis of each Stage Evaluate how the fault condition will progress through clearing Evaluate how the recovery will occur through the point when normaloperation is reestablished.Restricted Siemens AG 2015 All rights reserved.Page 62015-XX-XXAuthor / Department

What are the Elements of a ComprehensiveEvaluation? An analysis of each Stage Evaluate how the fault condition will progress through clearing Evaluate how the recovery will occur through the point when normaloperation is reestablished. Contingency Stage Remote or Delayed Clearing 20 Cycles or more Entire SubstationRestricted Siemens AG 2015 All rights reserved.Page 72015-XX-XXAuthor / Department

What are the Elements of a ComprehensiveEvaluation? An analysis of each Stage Evaluate how the fault condition will progress through clearing Evaluate how the recovery will occur through the point when normaloperation is reestablished. Contingency Stage Remote or Delayed Clearing 20 Cycles or more Entire Substation Recovery Stage How long is the recovery stage? There are actually two recovery stagesRestricted Siemens AG 2015 All rights reserved.Page 82015-XX-XXAuthor / Department

Replacement/Repair TimesMajor Substation EquipmentDamaged StationEquipmentBusCircuit BreakersSwitchesCurrent TransformersOther SwitchgearPower TransformersCooling RadiatorsSurge ArrestersWeeks to Replace4812O PO1620Most LikelyO2428323640444852566064PPO PO POMost LikelyPO POPO: OptimisticP: PessimisticMcElvain, F. Siemens PTI, (Electricity Today Online April / May 2015), Transmission Planning: Protecting the Physical Security of the Power ricity-today/et april may 2015 digital/2015051401/#50Restricted Siemens AG 2015 All rights reserved.Page 92015-XX-XXAuthor / Department

Key Dynamic Factors Initial fault accelerates nearbygeneration units Loss of transmission reduces thesystem’s ability to absorb pent-upenergy Changes the unit’s critical clearingtimeRestricted Siemens AG 2015 All rights reserved.Page 102015-XX-XXAuthor / Department

Recovery P (V1V2/x) sinδP (V1V2/x) sinδ12108SystemG642004590135180Restricted Siemens AG 2015 All rights reserved.Page 112015-XX-XXAuthor / Department

Conclusions Real-time is not when you want to discover a unit stability limit exists Define helpful operating procedures N-1 in recovery stage is needed Power Flow Evaluation Full station out and next N-1 Transformers out and next N-1 Dynamics Full station out and critical N-1 at generation If necessary, transformer out and next N-1 Evaluate the fault conditionRestricted Siemens AG 2015 All rights reserved.Page 122015-XX-XXAuthor / Department

ContactFrank McElvain, PESenior Manager, Consulting4000 Third AvenueFoster City, CA 94404Mobile: (408) 239 ain, F. Siemens PTI, (Electricity TodayOnline April / May 2015), Transmission Planning:Protecting the Physical Security of the electricitytoday/et april may 2015 d Siemens AG 2015 All rights reserved.Page 132015-XX-XXAuthor / Department

What is CIP-014? NERC has a collection of Reliability Standards divided into a dozen reliability categories that apply to a dozen registered functional entities. One classification family:CIP addresses Critical Infrastructure Protection Mostly cyber assets and security CIP-014

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