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Trajectory Sensitivity Analysis for Dynamic Security Assessment and Other Applications in Power Systems

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Real-Time Stability in Power Systems

Part of the book series: Power Electronics and Power Systems ((PEPS))

Abstract

Real-time stability evaluation and preventive scheduling in power systems offer many challenges in a stressed power system. Trajectory Sensitivity Analysis (TSA) is a useful tool for this and other applications in the emerging smart grid area. In this chapter, we outline the basic approach of TSA, to extract suitable information from the data and develop reliable metrics or indices to evaluate proximity of the system to an unstable condition. Trajectory sensitivities can be used to compute critical parameters such as clearing time of circuit breakers, tie-line flow, etc. in a power system by developing suitable norms for ease of interpretation. The TSA technique has the advantage that model complexity is not a limitation, and the sensitivities can be computed numerically. Suitable metrics are developed from these sensitivities. The TSA technique can be extended to do preventive rescheduling. A brief discussion of other applications of TSA in placement of distributed generation is indicated.

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Author information

Authors and Affiliations

  1. Pacific Northwest National Laboratory, Richland, WA, USA

    Tony B. Nguyen

  2. University of Illinois at Urbana-Champaign, Champaign, IL, USA

    M. A. Pai

Authors
  1. Tony B. Nguyen
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  2. M. A. Pai
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Corresponding author

Correspondence to Tony B. Nguyen .

Editor information

Editors and Affiliations

  1. Energy Consulting International, New York, New York, USA

    Savu C. Savulescu

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Nguyen, T., Pai, M. (2014). Trajectory Sensitivity Analysis for Dynamic Security Assessment and Other Applications in Power Systems. In: Savulescu, S. (eds) Real-Time Stability in Power Systems. Power Electronics and Power Systems. Springer, Cham. https://doi.org/10.1007/978-3-319-06680-6_11

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  • DOI: https://doi.org/10.1007/978-3-319-06680-6_11

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06679-0

  • Online ISBN: 978-3-319-06680-6

  • eBook Packages: EnergyEnergy (R0)

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