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An optimal redundancy criterion index (ORC) for optimal placement of phasor measurement units (PMU) for full observability of power grid

An optimal redundancy criterion index (ORC) for optimal placement of phasor measurement units (PMU) for full observability of power grid

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The chapter provides an ORC for placement of synchrophasors. Test cases were evaluated for IEEE systems for scalability, and the criteria provide promising results for the placement problem.

Chapter Contents:

  • 2.1 Introduction
  • 2.2 Synchrophasors
  • 2.2.1 Advantages of synchrophasors over SCADA measurements
  • 2.2.2 Challenges with synchrophasor measurements
  • 2.3 Optimal placement of phasor measurement units (PMU)
  • 2.3.1 Need for OPP for synchrophasors
  • 2.4 PMU placement problem formulation using linear programming (LP)
  • 2.4.1 Problem formulation
  • 2.4.2 System with no zero-injection buses
  • 2.4.3 System with zero-injection measurements
  • 2.5 System observability redundancy index (SORI)
  • 2.6 Optimal redundancy criterion (ORC)
  • 2.7 OPP on standard test systems
  • 2.7.1 Advanced Modeling and Programming Language (AMPL)
  • 2.7.2 Zero-injection buses
  • 2.7.3 Enforcing optimal redundancy criterion (ORC)
  • 2.7.4 SORI
  • 2.7.5 PMU placement costs
  • 2.7.6 Justification of ORC index
  • 2.7.7 Time computation using LP
  • 2.7.8 Forecasting the scalability of OPP using linear regression
  • 2.8 Conclusion
  • Acknowledgments
  • References

Inspec keywords: phasor measurement; redundancy; observability; power grids

Other keywords: ORC index; optimal redundancy criterion index; observability; optimal PMU placement; phasor measurement units; synchrophasor placement; power grid; IEEE systems

Subjects: Reliability; Power system measurement and metering

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