Probabilistic steady-state and dynamic security assessment
Technical Report
·
OSTI ID:6212449
A comprehensive conceptual framework for probabilistic steady-state and dynamic security assessment is presented. A unified approach to steady-state and dynamic security is first proposed. We characterize the security of a power system in terms of power injections (load demand and generation). We define the steady-state security region as the set of injections for which the system can be operated with no line overload and abnormal voltages. We define the dynamic security region with respect to a fault as the set of injections for which the system is transiently stable. We say that the system is secure at time t, (1) if there is no disturbance at t and the injection lies within the steady-state security region, (2) if there is a fault at t and the injection lies within the dynamic security region. For a given scenario, which consists of the perfect load forecast and the precise time and nature of faults to occur, the time to insecurity T is a real number and can be found. It is used as the measure of system security.
- Research Organization:
- California Univ., Berkeley (USA)
- DOE Contract Number:
- AC01-79ET29364
- OSTI ID:
- 6212449
- Report Number(s):
- DOE/ET/29364-T2; ON: DE83011422
- Country of Publication:
- United States
- Language:
- English
Similar Records
Probabilistic dynamic security assessments
Probabilistic steady-state and dynamic security assessment
Limits on power injections for security-constrained power flows
Conference
·
Wed Dec 31 23:00:00 EST 1980
·
OSTI ID:5742413
Probabilistic steady-state and dynamic security assessment
Journal Article
·
Sun Jan 31 23:00:00 EST 1988
· IEEE Trans. Power Syst.; (United States)
·
OSTI ID:6825766
Limits on power injections for security-constrained power flows
Conference
·
Wed Dec 31 23:00:00 EST 1980
·
OSTI ID:6480636