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Human Errors Monitoring in Electrical Transmission Networks

Journal of Energy and Power Engineering 2012年第3期6卷 425-428页

作者： gheorghe Grigoras Cecilia Barbulescu gheorghe cartina Daniela Comanescu Faculty of Electrical Engineering Technical University Gheorghe Asachi Iasi 700050 Romania The National Power Grid Company Bucharest 030786 Romania The ＂Hidroelectriea ＂ Company Bistrita Hydropower Subsidiary Piatra Ne amt 610125 Romania

The electrical transmission networks are complex systems that are commonly run near their operational limits. Such systems can undergo major disturbances that have serious consequences. Individually, these disturbances can be attributed to specific causes, such as lightning strikes, ice storms, equipment failure, shorts resulting from untrimmed trees, excessive customer demand, or human errors. In the paper, the human errors from electrical transmission networks of Romanian Power Grid Company over period of 10 years are analyzed. It is hoped that obtained results will provide engineers a better understanding so they can cater to the needs of the human operators when to implement new interfaces for network monitoring tasks, not for the other technical objectives.

关键词： Electrical transmission monitoring human errors accidental events clustering techniques.

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Strategies Regarding Operating Voltage Levels in Distribution Networks

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Journal of Energy and Power Engineering 2010年第6期4卷 60-63页

作者： G. Grigoras G. cartina Faculty of Electrical Engineering Technical University ＂Gheorghe Asachi ＂ lasi 700050 Romania

The power/energy losses reduction in distribution systems is an important issue during planning and operation, with important technical and economical implications. Thus, the energy losses minimization implies not only the technical improvement of the network, through its renewal with the introduction of the technological innovations in the equipment and circuit components as well as the optimal planning of the design and development of the network, but also requires the use of the methods and software tools to facilitate the operation process. The paper presents a strategy for power / energy saving which is replacement of the 6 kV voltage level with 20 kV voltage level. In this line, different urban distribution networks were analyzed using fuzzy techniques for load modeling.

关键词： Voltage levels power/energy saving distribution networks fuzzy techniques.

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