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(OHFWULF3RZHU*ULG 9XOQHUDELOLW\ :KHUH&DQ7HUURULVWV+XUW <RXWKH0RVW" -DYLHU6DOPHURQDQG.HYLQ:RRG1DYDO3RVWJUDGXDWH6FKRRO 5RVV%DOGLFN8QLYHUVLW\RI7H[DVDW$XVWLQ 6SRQVRUHGE\'R-2IILFHRI'RPHVWLF3UHSDUHGQHVVDQG+RPHODQG6HFXULW\
34

KHUH& DQ7 HUURULVWV+XUW

Jan 12, 2022

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Page 1: KHUH& DQ7 HUURULVWV+XUW

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Page 2: KHUH& DQ7 HUURULVWV+XUW

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Page 3: KHUH& DQ7 HUURULVWV+XUW

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Generation

Transmission

Distribution

Load

Page 4: KHUH& DQ7 HUURULVWV+XUW

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Page 11: KHUH& DQ7 HUURULVWV+XUW

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~

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25 MW

100 MW

125 MW

150 MW

100 MW150 MW

50 MW100 MW

0 MW

Example

0 MW

Page 12: KHUH& DQ7 HUURULVWV+XUW

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25 MW

0 MW

~

A few hours

later...

~Re-synchronizing...

Towers destroyedConductor destroyed

Short-Term Effects

Page 13: KHUH& DQ7 HUURULVWV+XUW

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~

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25 MW

0 MW

Already Synchronized

~

Then...

Some essential industry/ services (e.g., airports)

Short-Term Effects

Page 14: KHUH& DQ7 HUURULVWV+XUW

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~

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25 MW

50 MW

~Within 1-2

days...

125 MW

100 MW150 MW

50 MW

It might take one week or more until power is restored

Medium-Term Effects

Page 15: KHUH& DQ7 HUURULVWV+XUW

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~

~

25 MW

100 MW

125 MW

150 MW

100 MW150 MW

50 MW 100 MW

150 MW(150 MW)

Preemptive Measures

Page 16: KHUH& DQ7 HUURULVWV+XUW

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25 MW

100 MW

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(150 MW)

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Page 17: KHUH& DQ7 HUURULVWV+XUW

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Page 18: KHUH& DQ7 HUURULVWV+XUW

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Page 20: KHUH& DQ7 HUURULVWV+XUW

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Page 21: KHUH& DQ7 HUURULVWV+XUW

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Implementation in VEGA: Database, GUI, Optimizer

Generating unit data Line and transformer data

Page 22: KHUH& DQ7 HUURULVWV+XUW

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Implementation Example: Power Flow Before Interdiction

Diagram of IEEE RTS-96 power grid

All load is met

Page 23: KHUH& DQ7 HUURULVWV+XUW

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Total terrorist resources:

Implementation: Power Flow After Optimal Interdiction

Line:

Substation or bus:

Generators: All protected

Resource required to destroy assets:

Load shed is 2,190 MW

Bus “123” and seven selected circuitsare destroyed

Page 24: KHUH& DQ7 HUURULVWV+XUW

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Power Flow After Optimal Interdiction

Terrorist resource

Load shedding and cost

Multiple scenarios can be easily compared

Page 25: KHUH& DQ7 HUURULVWV+XUW

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Page 26: KHUH& DQ7 HUURULVWV+XUW

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138 kV

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Page 29: KHUH& DQ7 HUURULVWV+XUW

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7RWDO�/RDG��������0:Time Power Energy

Period Shed (MW) Shed (MWh)

0-72 h 1,373 98,856

Plan

Total: 98,856 MWh

�W

0:

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0-72 h 902 64,944

72-768 h 708 492,768

Total: 557,712 MWh

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0-360 h 756 272,160

Total: 272,160 MWh

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Page 31: KHUH& DQ7 HUURULVWV+XUW

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Page 32: KHUH& DQ7 HUURULVWV+XUW

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Total: 1,587,744

577,7281,416360-720 h

782,2082,71672-360 h

227,8083,1640-72 hLines: A30, A33-2

Transformers: A7, B7Buses: 115, 118, 215, 218

Substations: Sub-A2, Sub-B2

RTS-Two-AreasMIP

Total: 1,547,208

577,7281,416360-768 h

969,4802,6930-360 hBuses: 116, 118, 215, 218

Substations: Sub-A1, Sub-A2, Sub-B1, Sub-B2

RTS-Two-Areas

HEURISTIC

EnergyShed (MWh)

PowerShed (MW)

TimePeriod

Directly Interdicted Components.Resource: M=24

Case/Algorithm

Total: 1,115,424

985,5361,41672-768 h

129,8881,8040-72 hLines: A23, B23

Transformers: A7, B7Substations: Sub-A2, Sub-B2

RTS-Two-AreasMIP

Total: 1,087,488

1,087,4881,4160-768Substations: Sub-A1, Sub-A2, Sub-B1, Sub-

B2

RTS-Two-Areas

HEURISTIC

EnergyShed

(MWh)

PowerShed (MW)

TimePeriod

Directly Interdicted Components.Resource: M=12

Case/Algorithm

Page 33: KHUH& DQ7 HUURULVWV+XUW

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