More realistic reliability index for generating systems
Conference
·
· Model. Simul.; (United States)
OSTI ID:5516295
The approach suggested in this paper is a modification of the widely accepted utility practice of computing the loss of load probability. A load model is to be merged with a capacity model to give the desired reliability index. The modification is introduced on the premise that a pre-planned unit commitment schedule provides for the interdependence of the generation and the load, and conveys information regarding the duty cycle of each of the generating units. This information is used in devising simple models for the cycled units, the objective being the computation of the probability that a cycled unit is serving on the pre-planned unit commitment schedule given that the schedule calls upon it for service. The unit commitment schedule also designates the units on standby under the different operating conditions of the system. The probability that a standby unit is running given that it has been called upon to render assistance due to outages of scheduled units is computed using another simple model. These conditional probabilities are used in building the capacity model. 4 refs.
- Research Organization:
- Tex AandM Univ, College Station
- OSTI ID:
- 5516295
- Report Number(s):
- CONF-800549-
- Conference Information:
- Journal Name: Model. Simul.; (United States)
- Country of Publication:
- United States
- Language:
- English
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