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Due to a large number of distributed generators and controllable devices approached to distribution network, the traditional optimization control method, which separates the transmission and the distribution system, is not applicable. This paper presented a voltage optimization method combining transmission and distribution networks. The method considered the differences between transmission network...
It has become a realistic choice to develop smart grid actively to meet the electricity demand for load centers, especially in China. In the current period of rapid development, in order to effectively measure the safety level of smart grid, to compare power grid safety among different regions or within the same region at different times, in this paper, smart grid safety evaluation index system is...
By analyzing node equations in gas network, a mathematical model of steady-state calculation in urban pipeline with node method was established. Computer programs using MATLAB have been written. The algorithm can be used for hydraulic adjustment calculation in multi-circle city transmission and distribution pipeline networks, for optimization and for analysis of operating and accident conditions,...
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