The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The present work addresses the problem of the censoring effect of preventive maintenance on equipment re- liability. More precisely, a method is proposed to assess this effect for units featuring minor and major failure modes as defined in. Accordingly, the main postulate is that age-dependent major failures (random failures are not considered as they are not influenced by preventive maintenance)...
This paper presents the effect of the start up failure probability or the starting reliability of rapid-start units such as open-cycle gas turbines on energy scheduling and reserve allocation. The reserve allocation to these offline rapid-start units are in term of non-spinning reserve. A joint probability distribution approach is used to integrate the starting reliability into the operating reliability...
Wind power forecasting methods generally provide estimates of future wind power as point forecasts, but most of the decision making processes in electrical power systems management require more information than a single value. For this purpose, additional methods - complex or based on strong assumptions - have been developed for estimating so-called interval forecasts associated to point forecasts...
Solar energy is one of the most promising renewable energy sources. In order to integrate this type of source into an existing power distribution system, system planners need an accurate model that predicts the availability of the generating capacity. Solar resources are known to exhibit a high variability in space and time due to the influence of other climatic factors such as cloud cover. The probability...
This paper discusses application of continuous probabilistic networks to leak detection in high-pressure, fluid-filled (HPFF) cables. An existing system for leak detection, build on discrete network, has a number of drawbacks - mainly the probability specification is difficult and quantization of input data has to be performed. An approach using continuous functions is proposed in the paper, which...
This paper proposes a new explicit, step-by-step approach for a generating company to evaluate investments considering uncertainties and future expected investment from its competitors. We introduce a probabilistic valuation model to provide to the generating company a wider analytical framework as well as to incorporate risk assessment in the evaluation. The new framework consists of i) defining...
This paper presents a probabilistic approach in sizing distribution transformers capacity supplying residential, commercial, and combination of residential and commercial loads. Load data recorded from the three categories of aggregate loads are used to establish probability distribution curves based on the goodness-of-fit test. The gamma distribution is found to be the best fit among all probability...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.