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Nowadays, the traditional separate management mode of planning data and graphics has certain limitations, and cannot meet the needs of power grid business development. Therefore, a GIS-based graphics management system is proposed based on cloud platform, in which the grid map, power grid GIS, and electrical wiring diagram are organically integrated based on cloud services. The integration of basic...
This paper proposes a method for the optimal black-start reserve water of pumped storage. When pumped storage provides black-start ancillary service for power system, some capacity in the upper reservoir must be reserved and then the peak-load shaving benefit of pumped storage plant would be influenced. In order to make pumped storage plant bring the largest benefits to power system, a mathematical...
This paper discusses a black-start field test performed with new strategy. The new strategy makes full use of the long time operation capability of pumped storage units in ultra-low load conditions and takes advantage of the double-bar configuration of most electrical stations, with black-start units only supplying the auxiliary load of itself and that of target units, enables a complete separation...
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