Wei Huang, Lifei Zhang, Xiaogang Wu, Chengxiang Li, Jie Zhang, Chen-Han Wu, Run Huang, Mingkang Wu
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引用次数: 0
Abstract
The frequency limit controller, or FLC, is an important measure for grid frequency stability control, and has been widely used in DC projects. DXB UHVDC project is faced with the problems of increasing frequency instability of the Yunnan power grid, as it runs asynchronously from the main grid, and the shortage of the opening unit in the initial stage of production. The configuration of FLC is very important. It analyzes two kinds of FLC control logic used in current DC project of China Southern Power Grid and compares the results of two kinds of control logic response through simulation test. The FLC configuration and parameter selection of DXB UHVDC are explained, and the response characteristics of FLC under the typical fault under the isolated islanding system are verified through simulation. And verify its function in DXB R TDS simulation platform as well as field test.
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