State estimation issues: External system modeling enhancements. Volume 1: External system modeling guidelines; Final report
Technical Report
·
OSTI ID:61133
- Macro Corp., Horsham, PA (United States)
- ABB-Systems Control, Santa Clara, CA (United States)
- Washington State Univ., Pullman, WA (United States)
The single largest source of error in state estimation, an inadequate external system model, affects the usefulness of energy management system (EMS) applications. EPRI has developed comprehensive guidelines to help utilities enhance external system modeling for state estimation and has demonstrated use of the guidelines on three host utility systems without data exchange. These guidelines address network topology, analog measurement, inter-utility data exchange, and application procedures and recommendations. They include specific guidelines for utility types and network analysis applications, and validate the Normalized Level of Impact (NLI) as a key index for external system modeling. This report provides valuable insight to the veteran, as well as first-time state estimator implementors and users. A useful reference source, the extensive guidelines supply answers and helpful advice, as well as recommendations for future work. Volume 1 contains external system modeling guidelines, and Volume 2 is a summary of responses to the utility and EMS supplier survey questionnaire used in this project.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (United States); Macro Corp., Horsham, PA (United States); Macro Corp., Mountain View, CA (United States)
- Sponsoring Organization:
- Electric Power Research Inst., Palo Alto, CA (United States)
- OSTI ID:
- 61133
- Report Number(s):
- EPRI-TR--104644-V1
- Country of Publication:
- United States
- Language:
- English
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