نتایج جستجو برای: electric power system
تعداد نتایج: 2672721 فیلتر نتایج به سال:
A Fuzzy Probability-based Markov Chain Model for Electric Power Demand Forecasting of Beijing, China
In this study, a fuzzy probability-based Markov chain model is developed for forecasting regional long-term electric power demand. The model can deal with the uncertainties in electric power system and reflect the vague and ambiguous during the process of power load forecasting through allowing uncertainties expressed as fuzzy parameters and discrete intervals. The developed model is applied to...
All-Electric power and propulsion system architectures have been investigated in order to demonstrate the feasibility of such an approach to increase the endurance of a high altitude long endurance UAV to a target mission duration of 1 week. System modelling studies demonstrate the possibility of utilising combined fuel cell and photo-voltaic systems as power sources for an electric distributio...
Electric Power Steering (EPS) is a full electric system, which reduces the amount of steering effort by directly applying the output from an electric motor to the steering system. In this paper, the constitutions and its operational mechanism of electric power steering system, and the construction and the equivalent circuit of the DC motor used in EPS were introduced; and the EPS hardware frame...
چکیده ندارد.
Executive Summary Electric-drive vehicles can become an important resource for the California electric utility system, with consequent air pollution, system reliability, and economic benefits. We refer to electric power resources from vehicles as "Vehicle to Grid" power (V2G). The economic value of some forms of V2G appear high, more than enough to offset the initially higher costs of electric-...
Power systems are composed of power units that are constantly connected to each other and the electric power flux is constantly moving between them. All systems must be implemented in such a way that not only under normal conditions but also unwanted inputs or disturbances, are applied. It also remains stable or returns to a stable name at the earliest possible time. The fundamental factors...
In this paper principles of extended Kalman filtering theory is developed and applied to simulated on-line electric power systems state estimation in order to trace the operating condition changes through the redundant and noisy measurements. Test results on IEEE 14 - bus test system are included. Three case systems are tried; through the comparing of their results, it is concluded that the pro...
From the EMC point of view, the integration of electric drive systems into today’s cars represents a substantial challenge. The electric drive system is a new component consisting of a high-voltage power source, a frequency converter, an electric motor and shielded or unshielded high-power cables. Treating this new electric drive system or its components as a conventional automotive component i...
انجام یک شبیه ساز با دقت بالا نیازمند در نظر گیری حد اکثر جزئیات موجود در شبکه است که به طور معمول باعث افزایش پیچیدگی های شبیه سازی و حجم مسأله مورد بررسی می شود. این پیچیدگی میتواند در کلیه مراحل از جمله جمع آوری اطلاعات و انجام شبیه سازی دشواری های بسیاری پدید آورد در صورت امکان، استفاده از اطلاعات پراکنده موجود، در یک بستر شبیه سازی و توزیع شده و تقسیم نیازهای محاسباتی بین تعدادی پردازنده م...
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