Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 36, Issue 6, Pages 5909-5921Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2021.3079395
Keywords
Power system dynamics; Power system stability; Transmission line measurements; Power measurement; Current measurement; Observers; Transient analysis; Dynamic state estimation; Kalman filter; parameter estimation; stability; control; protection; synchrophasor measurements; sampled value measurements; synchronous generation; converter-based resources
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Funding
- Department of Energy Advanced Grid Modeling Program
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This paper focuses on the role of dynamic state estimation (DSE) in control and protection applications in power systems, demonstrating how DSE can effectively address challenges in modern power systems.
Dynamic state estimation (DSE) accurately tracks the dynamics of a power system and provides the evolution of the system state in real-time. This paper focuses on the control and protection applications of DSE, comprehensively presenting different facets of control and protection challenges arising in modern power systems. It is demonstrated how these challenges are effectively addressed with DSE-enabled solutions. As precursors to these solutions, reformulation of DSE considering both synchrophasor and sampled value measurements and comprehensive comparisons of DSE and observers have been presented. The usefulness and necessity of DSE based solutions in ensuring system stability, reliable protection and security, and resilience by revamping of control and protection methods are shown through examples, practical applications, and suggestions for further development.
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