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Soil resistivity plays a key role in designing grounding systems for high-voltage power transmission lines and substations. The objectives of this paper consist of computing the best estimated value of the apparent resistivity and the electrode grounding resistance of a vertical N-layer soil. Then, earth parameters are precisely calculated by applying an inversion method. The inversion method is useful...
The clustering and synthesis of the load characteristics is very important to load modeling. A load clustering and synthesis modeling method based on improved fuzzy c means clustering algorithm is presented. Firstly, the classification algorithm uses the measured response array as character vector to cluster different bus load, and obtains cluster centre. Secondly, the cluster centre is used to identify...
Bus is one of the most important parts in power plants and transformer substations. The research on the high-reliability and high-intelligence bus protection will be quite important both in theory and practice. An ANN (artificial neural network) is set up to replace the physical object of bus protection in this paper, which presents a new bus protection method based on approximation ability of function...
Statistical graphs are ubiquitous mechanisms for data visualization such that most, if not all, enterprises communicate information through them. However, many graphs are stored as unstructured images or proprietary binary objects, making them difficult to work with beyond the reports in which they are embedded. While graphs can be mapped to more common XML representations, these lack expressive semantics...
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