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Voltage-Grading and District-Grading Design of UHV Receiving Power Grid

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2 Author(s)
Gang Xu ; Sch. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing, China ; Shuang Ma

A novel approach is proposed to form the Voltage- grading and District-grading (VGDG) system of Ultra- high voltage (UHV) receiving power grid. The method operates by joint use of intermittent distributed computing and dynamic evaluation. A cluster of normalized feasibility and quality assessment indicators is first established to analyze the security,stability and economy of power grid before and after VGDG.Intermittent distributed computing, including two classes of processes, is raised to achieve the design of optimal VGDG scheme efficiently. For each VGDG scheme of each power grid,feasibility-determination process is launched to choose the available schemes. Afterward, another series of quality determination process is called to achieve the fast calculation of the optimal VGDG scheme under different focus. The example of a power grid in China illustrates that our skill is able to generate the opportune VGDG scheme objectively. It provides a technical support for the development and access of UHV power grid.

Published in:

Engineering and Technology (S-CET), 2012 Spring Congress on

Date of Conference:

27-30 May 2012